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Table IV

­1­

Detailed listings

G0.0 + 0.0
RA: 17 42 33 Dec: -28 59
h m s

Sgr A East
1-GHz flux/Jy: 100? Spectral index: 0.8? Size/arcmin: 3.5 â 2.5 Type: S

Radio: Non-thermal shell, in complex region, interacting with molecular material to the west.
References: Ekers et al. 1983, A&A, 122, 143. VLA at 1.4 GHz and 5 GHz (both 5 â 8 ), S(1.4) = 77, S(5.0) = 31. Pedlar et al. 1989, ApJ, 342, 769. VLA at 332 MHz (12 ), 1.4 GHz (1 .3 â 2 .5) and 5 GHz (1 .3 â 2 .5). Mezger et al. 1989, A&A, 209, 337. Nearby molecular material. Ho et al. 1991, Natur, 350, 309. VLA of NH3 emission from surroundings. Anantharamaiah et al. 1991, MNRAS, 249, 262. VLA at 330 MHz (17 â 33 ). Serabyn et al. 1992, ApJ, 395, 166. Nearby molecular material. Gray 1994, MNRAS, 270, 835. MOST at 843 MHz (43 â 88 ). Yusef-Zadeh & Mehringer 1995, ApJ, 452, L37. VLA of nearby H2 O masers.

G0.3 + 0.0
RA: 17h 43m 05s Dec: -28 37 1-GHz flux/Jy: 22 Spectral index: 0.6 Size/arcmin: 15 â 8 Type: S

Has been called G0.33+0.04 and G0.4+0.1. Radio: Bilateral shell, near Galactic Centre.
References: Kassim & Frail 1996, MNRAS, 283, L51. VLA at 333 MHz (23 â 42 ), plus review of flux densities and other observations.

G0.9 + 0.1
RA: 17h 44m 12s Dec: -28 08 1-GHz flux/Jy: 18? Spectral index: varies Size/arcmin: 8 Type: C

Radio: Flat spectrum core within steep spectrum shell. X-ray: Central core.
References: Helfand & Becker 1987, ApJ, 314, 203. VLA at 1.4 and 5 GHz, and IPC observations. Gray 1994, MNRAS, 270, 835. MOST at 843 MHz (43 â 91 ). Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations. Mereghetti et al. 1998, A&A, 331, L77. X-ray detection.

G1.0 - 0.1
RA: 17h 46m 20s Dec: -28 25 1-GHz flux/Jy: 15 Spectral index: 0.6? Size/arcmin: 8 Type: S

Has been called G1.05-0.1 and G1.05-0.15. Radio: Incomplete shell, to the S of Sgr D.
References: Downes et al. 1979, A&AS, 35, 1. Review of flux densities. Anantharamaiah et al. 1991, MNRAS, 249, 262. VLA at 330 MHz (64 â 100 : S = 12.3). Liszt 1992, ApJS, 82, 495. VLA at 1.6 GHz (13 â 23 ). Gray 1994, MNRAS, 270, 835. MOST at 843 MHz (43 â 91 ). Mehringer et al. 1998, ApJ, 493, 274. VLA at 1.6 GHz (15 â 28 ) and 5 GHz, including masers observations.

G1.4 - 0.1
RA: 17h 46m 30s Dec: -27 45 Radio: Shell, brightest in E.
References: Gray 1994, MNRAS, 270, 847. MOST at 843 MHz (43 â 92 : S = 2).

1-GHz flux/Jy: 2? Spectral index: ?

Size/arcmin: 10 Type: S

1998 September


Table IV

­2­

Detailed listings

G1.9 + 0.3
RA: 17h 45m 37s Dec: -27 09 Radio: Shell, brighter to the N.
References: Green & Gull 1984, Natur, 312, 527. VLA at 5 GHz (4 .4 â 2 ). Gray 1994, MNRAS, 270, 835. MOST at 843 MHz (43 â 94 ). Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

1-GHz flux/Jy: 0.6 Spectral index: 0.7

Size/arcmin: 1.2 Type: S

G3.7 - 0.2
RA: 17h 52m 20s Dec: -25 50 Hase been called G003.8-00.3. Radio: Double arc.
References: Gray 1994, MNRAS, 270, 847. MOST at 843 MHz (43 â 99 : S = 2.4). Gaensler 1998, ApJ, 493, 781. VLA at 1.4 GHz (9 â 15 : S = 1.7 ± 0.1).

1-GHz flux/Jy: 2.3 Spectral index: 0.65

Size/arcmin: 11 â 14 Type: S

G3.8 + 0.3
RA: 17h 49m 50s Dec: -25 27 Radio: Incomplete shell.
References: Gray 1994, MNRAS, 270, 847. MOST at 843 MHz (43 â 100 : S = 3.5).

1-GHz flux/Jy: 4? Spectral index: ?

Size/arcmin: 18 Type: S?

G4.2 - 3.5
RA: 18h 05m 45s Dec: -27 04 Radio: Elongated shell.
References: Reich et al. 1988, in SNRISM, p293. Summary of parameters. Reich et al. 1990, A&AS, 85, 633. Effelsberg 100-m at 2.7 GHz (4 .3).

1-GHz flux/Jy: 3.2? Spectral index: 0.6?

Size/arcmin: 28 Type: S

G4.5 + 6.8
RA: 17h 27m 42s Dec: -21 27 1-GHz flux/Jy: 19 Spectral index: 0.64

Kepler, SN1604, 3C358
Size/arcmin: 3 Type: S

This is the remnant of Kepler's SN of AD1604. Radio: Incomplete shell, brighter to the N. Optical: Faint filaments. X-ray: Shell, brighter to the N. Distance: Historical observations indicate about 4.4 kpc.
References: van den Bergh & Kamper 1977, ApJ, 218, 617. Optical proper motions. Leibowitz & Danziger 1983, MNRAS, 204, 273. Optical spectra. Danziger & Goss 1980, MNRAS, 190, 47P. Revision of distance. White & Long 1983, ApJ, 264, 196. IPC observations. Matsui et al. 1984, ApJ, 287, 295. VLA at 1.4 (2 .5 â 3 .2) and 5 GHz (3 .2 â 4 .8) and HRI map (5 ). Dickel et al. 1988, ApJ, 330, 254. VLA at 1.4 (1 .2 â 2 .3) and 5 GHz (0 .6 â 1 .0) at two epochs. Smith et al. 1989, ApJ, 347, 925. EXOSAT observations. Hatsukade et al. 1990, PASJ, 42, 279. X-ray spectrum. Blair et al. 1991, ApJ, 366, 484. Optical imaging and spectroscopy. Bandiera & van den Bergh 1991, ApJ, 374, 186. Optical changes. van den Bergh 1991, PASP, 103, 194. Optical imaging. Predehl & Schmitt 1995, A&A, 293, 889. ROSAT of dust scattered halo. Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

1998 September


Table IV

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Detailed listings

G5.2 - 2.6
RA: 18h 04m 25s Dec: -25 45 Radio: Poorly resolved shell.
References: Reich et al. 1988, in SNRISM, p293. Summary of parameters. Reich et al. 1990, A&AS, 85, 633. Effelsberg 100-m at 2.7 GHz (4 .3).

1-GHz flux/Jy: 2.6? Spectral index: 0.6?

Size/arcmin: 18 Type: S

G5.4 - 1.2
RA: 17 59 00 Dec: -24 55
h m s

Milne 56
1-GHz flux/Jy: 35? Spectral index: 0.2? Size/arcmin: 35 Type: C?

Part been called G5.3-1.0. Has been suggested that this is not a SNR. Radio: Incomplete shell, including wide `v' of emission to east with small flat-spectrum source at apex. Optical: Detected. Distance: HI absorption suggests > 4.3 kpc. Point sources: Pulsar associated with flat spectrum source.
References: Clark et al. 1975, AuJPA, 37, 75. Molonglo at 408 MHz (3 : S = 38). Becker & Kundu 1975, AJ, 80, 679. NRAO 140-ft at 10.6 GHz (3 ). Dickel & Milne 1976, AuJPh, 29, 435. Comparison of earlier Parkes 64-m maps at 2.7 GHz (8 .4) and 5 GHz (4 .4). Angerhofer et al. 1977, A&A, 55, 11. NRAO 140-ft at 5 GHz (6 .8 : S = 21.9 ± 2.4). Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2 .6). Zealey et al. 1979, A&AS, 38, 39. Optical detection. Becker & Helfand 1985, Natur, 313, 115. VLA at 1.4 and 5 GHz. Suggest it is not SNR, see Helfand & Becker 1985, Natur, 313, 118. Manchester et al. 1985, MNRAS, 212, 975. Pulsar detection. Caswell et al. 1987, MNRAS, 225, 329. MOST at 843 MHz (42 â 110 ). Frail & Kulkarni 1991, Natur, 352, 785. Pulsar and remnant association. Manchester et al. 1991, MNRAS, 253, 7P. Pulsar and remnant association. Milne et al. 1992, MNRAS, 255, 707. Parkes 64-m at 4.75 (4 .5 : S = 30.8 ± 2.1) and 8.4 GHz (3 : S = 24 ± 3), including polarization. Kassim 1992, AJ, 103, 943. VLA at 327 MHz (3 .0 â 4 .9 : S = 38). Frail et al. 1994, AJ, 107, 1120. VLA at 327 MHz (68 â 73 ), plus HI absorption. Biggs & Lyne 1996, MNRAS, 282, 691. Pulsar search.

G5.9 + 3.1
RA: 17h 44m 20s Dec: -22 15 Radio: Asymmetric shell.
References: Reich et al. 1988, in SNRISM, p293. Effelsberg 100-m at 2.7 GHz (4 .3).

1-GHz flux/Jy: 3.3? Spectral index: 0.4?

Size/arcmin: 20 Type: S

G6.1 + 1.2
RA: 17h 51m 55s Dec: -23 05 Has been called G6.1+1.15. Radio: Faint, diffuse emission.
References: Reich et al. 1988, in SNRISM, p293. Summary of parameters. Reich et al. 1990, A&AS, 85, 633. Effelsberg 100-m at 2.7 GHz (4 .3).

1-GHz flux/Jy: 4.0? Spectral index: 0.3?

Size/arcmin: 30 â 26 Type: F

1998 September


Table IV

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Detailed listings

G6.4 - 0.1
RA: 17 57 30 Dec: -23 25
h m s

W28
1-GHz flux/Jy: 310 Spectral index: varies Size/arcmin: 42 Type: C

Has been called G6.6-0.2. Radio: Several non-thermal sources in a ring, with flat spectrum core. Optical: Filaments. X-ray: Diffuse emission from most of the remnant. Point sources: Young pulsar near edge of remnant. Distance: Uncertain mean optical velocity indicates 3.5­4 kpc.
References: Kundu & Velusamy 1972, A&A, 20, 237. NRAO 140-ft at 10 GHz (3 ). van den Bergh et al. 1973, ApJS, 26, 19. Optical. Dickel & Milne 1976, AuJPh, 29, 435. Comparison of earlier Parkes 64-m maps at 2.7 GHz (8 .4) and 5 GHz (4 .4). Dopita et al. 1977, ApJ, 214, 179. Some optical line ratios. Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2 .6). Lozinskaya 1981, SvAL, 7, 17. Mean optical velocity. Andrews et al. 1983, ApJ, 266, 684. VLA at 1.4 GHz (8 ) 4.9 GHz (3 ) and 15 GHz (1 ) of central region only, plus HRI image of central region. Bohigas et al. 1983, RMxAA, 8, 155. Optical spectra. Odenwald et al. 1984, ApJ, 279, 162. Nearby IR source. Andrews et al. 1985, AJ, 90, 310. VLA of central component. Long et al. 1991, ApJ, 373, 567. IPC and optical observations. Kassim 1992, AJ, 103, 943. VLA at 327 MHz (3 .1 â 4 .4 : S = 660). Kaspi et al. 1993, ApJ, 409, L57. Pulsar association. Frail et al. 1993, Natur, 365, 136. VLA at 327 MHz (smoothed to 65 ), plus pulsar association. Frail et al. 1994, ApJ, 424, L111. VLA of associated OH masers. Esposito et al. 1996, ApJ, 461, 820. Possible associated -ray emission. Frail et al. 1996, AJ, 111, 1651. OH maser emission. Biggs & Lyne 1996, MNRAS, 282, 691. Pulsar search. Claussen et al. 1997, ApJ, 489, 143. VLA of OH masers.

G6.4 + 4.0
RA: 17h 42m 10s Dec: -21 20 Radio: Faint asymmetric shell.
References: Reich et al. 1988, in SNRISM, p293. Effelsberg 100-m at 2.7 GHz (4 .3).

1-GHz flux/Jy: 1.3? Spectral index: 0.4?

Size/arcmin: 31 Type: S

G7.7 - 3.7
RA: 18 14 20 Dec: -24 05
h m s

1814-24
1-GHz flux/Jy: 11 Spectral index: 0.32 Size/arcmin: 22 Type: S

Radio: Shell, with high polarization.
References: Dickel & Milne 1976, AuJPh, 29, 435. Comparison of earlier Parkes 64-m maps at 2.7 GHz (8 .4) and 5 GHz (4 .4). Milne et al. 1986, MNRAS, 223, 487. MOST at 843 MHz (44 â 108 ) and Parkes 64-m at 8.4 GHz (3 : S = 4.6 ± 0.5), with polarization, plus review of flux densities. Dubner et al. 1996, AJ, 111, 1304. VLA at 1.4 GHz (70 â 35 : S = 9.9 ± 0.1), including polarization.

G8.7 - 5.0
RA: 18h 21m 05s Dec: -23 50 Radio: Asymmetric shell.
References: Reich et al. 1988, in SNRISM, p293. Summary of parameters. Reich et al. 1990, A&AS, 85, 633. Effelsberg 100-m at 2.7 GHz (4 .3).

1-GHz flux/Jy: 4.4 Spectral index: 0.3

Size/arcmin: 26 Type: S

1998 September


Table IV

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Detailed listings

G8.7 - 0.1
RA: 18 02 35 Dec: -21 25
h m s

(W30)
1-GHz flux/Jy: 80 Spectral index: 0.5 Size/arcmin: 45 Type: S?

Radio: Clumpy non-thermal shell, with low-frequency turnover. X-ray: Northern edge detected. Point sources: Pulsar inside western edge.
References: Odegard 1986, AJ, 92, 1372. TPT at 57.5 MHz (7 .2 â 9 .7 : S = 190 ± 50). Kassim & Weiler 1990, Natur, 343, 146. VLA at 327 MHz (3 .0 â 3 .7). Kassim & Weiler 1990, ApJ, 360, 184. VLA at 327 MHz (2 .8 â 4 .1 : S = 129 ± 11), and part at 1.4 GHz (0 .9 â 1 .8), plus review of flux densities. Frail et al. 1994, AJ, 107, 1120. VLA at 327 MHz (37 â 55 ). ¨ Finley & Ogelman 1994, ApJ, 434, L25. ROSAT observations, including pulsar.

G9.8 + 0.6
RA: 18h 02m 10s Dec: -20 14 Radio: Asymmetric shell.
References: Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2 .6). Caswell 1983, MNRAS, 204, 833. Molonglo at 408 MHz (3 : S = 5.8 ± 0.6). Dubner et al. 1993, AJ, 105, 2251. VLA at 1.47 GHz (41 â 63 : S = 3.5 ± 0.4). Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

1-GHz flux/Jy: 3.9 Spectral index: 0.5

Size/arcmin: 12 Type: S

G10.0 - 0.3
RA: 18h 05m 40s Dec: -20 26 1-GHz flux/Jy: 2.9 Spectral index: 0.8 Size/arcmin: 8? Type: ?

Radio: Not well resolved. X-ray: X-ray pulsar. Point sources: X-ray pulsar associated with soft gamma repeater. Distance: Association with W31 gives 14.5 kpc.
References: Shaver & Goss 1970, AuJPA, 14, 133. Molonglo at 408 MHz (3 ) and Parkes 64-m at 5 GHz (4 ). Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2 .6). Kulkarni & Frail 1993, Natur, 365, 33. VLA at 330 MHz (smoothed to 2 ) and 1.49 GHz (40 â 65 ), including association with soft gamma repeater. Sonobe et al. 1994, ApJ, 436, L23. X-ray observations. Kulkarni et al. 1994, Natur, 368, 129. VLA at 1.4 GHz (31 ) and 8.4 GHz (5 .5) Vasisht et al. 1995, ApJ, 440, L65. Radio monitoring of core. Frail et al. 1996, AJ, 111, 1651. OH emission near remnant. Corbel et al. 1997, ApJ, 478, 624. CO observations of surroundings. Frail et al. 1997, ApJ, 480, L129. VLA monitoring of changing core. Kouveliotou et al. 1998, Natur, 393, 235. X-ray pulsar detection.

1998 September


Table IV

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Detailed listings

G11.2 - 0.3
RA: 18h 08m 30s Dec: -19 26 1-GHz flux/Jy: 22 Spectral index: 0.49 Size/arcmin: 4 Type: C

Probably associated with the SN of AD386. Radio: Symmetrical clumpy shell, possibly with flatter spectrum core. X-ray: Shell, with hard spectrum centrally brightened region. Point sources: Central pulsar. Distance: HI absorption indicates 5 kpc.
References: Shaver & Goss 1970, AuJPA, 14, 133. Molonglo at 408 MHz (3 ) and Parkes 64-m at 5 GHz (4 ). Radhakrishnan et al. 1972, ApJS, 24, 49. HI absorption. Becker & Kundu 1975, AJ, 80, 679. NRAO 140-ft at 10.6 GHz (3 ). Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2 .6). Downes 1984, MNRAS, 210, 845. VLA at 1465 MHz (20 â 25 ) and HRI observations, with review of flux densities. Becker et al. 1985, ApJ, 296, 461. VLA at 1.4 and 5 GHz, plus HI absorption, HRI and IPC observations. Morsi & Reich 1987, A&AS, 71, 189. Effelsberg 100-m at 32 GHz (26 .5 : S = 4.04 ± 0.24). Green et al. 1988, MNRAS, 231, 735. VLA at 1.4 and 5 GHz. Kassim 1992, AJ, 103, 943. VLA at 327 MHz (3 .2 â 4 .1 : S = 39). Reynolds et al. 1994, MNRAS, 271, L1. ROSAT image and spectra. Vasisht et al. 1996, ApJ, 456, L59. ASCA observations. Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations. Torii et al. 1997, ApJ, 489, L145. ASCA detection of pulsar.

G11.4 - 0.1
RA: 18h 07m 50s Dec: -19 06 1-GHz flux/Jy: 6 Spectral index: 0.5 Size/arcmin: 8 Type: S?

Radio: Incomplete shell, possibly with central core.
References: Clark et al. 1975, AuJPA, 37, 1. Molonglo at 408 MHz (3 : S = 9.4) (4 : S = 2.8). Angerhofer et al. 1977, A&A, 55, 11. NRAO 140-ft at 5 GHz (6 .8 Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz Kassim 1992, AJ, 103, 943. VLA at 327 MHz (3 .2 â 4 .1 : S = 18). Dubner et al. 1993, AJ, 105, 2251. VLA at 1.47 GHz (44 â 63 : S Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations. contaminated by sidelobes of a nearby source, and Parkes 64-m at 5 GHz : S = 2.0 ± 0.4). (2 .6). = 5.1 ± 0.6).

G12.0 - 0.1
RA: 18h 09m 15s Dec: -18 38 1-GHz flux/Jy: 3.5 Spectral index: 0.7 Size/arcmin: 7? Type: ?

Radio: Incomplete shell, defined in E only.
References: Clark et al. 1975, AuJPA, 37, 1. Molonglo at 408 MHz (3 : S = 6.6) and Parkes 64-m at 5 GHz (4 : S = 1.1). Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2 .6). Kassim 1992, AJ, 103, 943. VLA at 327 MHz (3 .2 â 4 .1). Dubner et al. 1993, AJ, 105, 2251. VLA at 1.47 GHz (41 â 61 : S = 0.7). Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

G13.3 - 1.3
RA: 18h 16m 30s Dec: -18 01 Radio: Amporphous emission. X-ray: Elongated emission. Optical: Filaments in S. Distance: Absorption indicates 2­4 kpc.
References: Seward et al. 1995, ApJ, 449, 681. ROSAT detection, optical studies and observations of CO. Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

1-GHz flux/Jy: ? Spectral index: ?

Size/arcmin: 70 â 40 Type: S?

1998 September


Table IV

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Detailed listings

G13.5 + 0.2
RA: 18h 11m 20s Dec: -17 13 Has been called G13.46+0.16. Radio: Elongated, incomplete shell.
References: Helfand et al. 1989, ApJ, 341, 151. VLA at 5 GHz (S = 0.65 ± 0.05) and 1.4 GHz (15 : S = 2.67 ± 0.5). Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

1-GHz flux/Jy: 3.5? Spectral index: 1.0?

Size/arcmin: 5 â 4 Type: S

G15.1 - 1.6
RA: 18h 21m 05s Dec: -16 36 Radio: Elongated, incomplete shell.
References: Reich et al. 1988, in SNRISM, p293. Summary of parameters. Reich et al. 1990, A&AS, 85, 633. Effelsberg 100-m at 2.7 GHz (4 .3).

1-GHz flux/Jy: 5.5? Spectral index: 0.8?

Size/arcmin: 30 â 24 Type: S

G15.9 + 0.2
RA: 18h 16m 00s Dec: -15 03 1-GHz flux/Jy: 5 Spectral index: 0.6? Size/arcmin: 7 â 5 Type: S?

Radio: Incomplete shell, with bright concentration to the E.
References: Clark et al. 1975, AuJPA, 37, 1. Molonglo at 408 MHz (3 : S = 7.7) and Parkes 64-m at 5 GHz (4 : S = 1.9). Angerhofer et al. 1977, A&A, 55, 11. NRAO 140-ft at 5 GHz (6 .8 : S = 1.1 ± 0.2). Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2 .6). Caswell et al. 1982, MNRAS, 200, 1143. FIRST at 1415 MHz (58 â 44 ). Dubner et al. 1996, AJ, 111, 1304. VLA at 330 MHz (77 â 61 : S = 11.2 ± 1.0), 1.4 GHz (23 â 14 : S = 3.9 ± 0.1) and 4.9 GHz (13 â 16 ). Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

G16.7 + 0.1
RA: 18h 18m 05s Dec: -14 21 1-GHz flux/Jy: 3.0 Spectral index: 0.6 Size/arcmin: 4 Type: C

Has been called G16.73+0.08. Radio: Asymmetric shell with flat-spectrum core.
References: Helfand et al. 1989, ApJ, 341, 151. VLA at 5 GHz (5 : S = 0.95) and 1.4 GHz (15 : S = 2.43) and OSRT at 327 MHz (S = 5.13). Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations, including masers.

G16.8 - 1.1
RA: 18h 22m 30s Dec: -14 48 1-GHz flux/Jy: 2? Spectral index: ? Size/arcmin: 30 â 24? Type: ?

Has been called G16.85-1.05. Radio: Overlapping thermal and non-thermal emission, parameters uncertain. Point sources: Pulsar within boundary of non-thermal emission.
References: Reich et al. 1986, A&A, 155, 185. Effelsberg 100-m at 4.75 GHz (2 .4), plus other observations.

1998 September


Table IV

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Detailed listings

G17.4 - 2.3
RA: 18h 28m 05s Dec: -14 54 Radio: Incomplete, poorly defined shell.
References: Reich et al. 1988, in SNRISM, p293. Summary of parameters. Reich et al. 1990, A&AS, 85, 633. Effelsberg 100-m at 2.7 GHz (4 .3). Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

1-GHz flux/Jy: 4.8? Spectral index: 0.8?

Size/arcmin: 24? Type: S

G17.8 - 2.6
RA: 18h 30m 00s Dec: -14 41 Radio: Well defined shell.
References: Reich et al. 1988, in SNRISM, p293. Summary of parameters. Reich et al. 1990, A&AS, 85, 633. Effelsberg 100-m at 2.7 GHz (4 .3). Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

1-GHz flux/Jy: 4.0? Spectral index: 0.3?

Size/arcmin: 24 Type: S

G18.8 + 0.3
RA: 18 21 10 Dec: -12 25
h m s

Kes 67
1-GHz flux/Jy: 33 Spectral index: 0.4 Size/arcmin: 17 â 11 Type: S

Has been called G18.9+0.3. Radio: Incomplete shell, in complex region near the HII region W39. Distance: HI absorption indicates > 9.5 kpc, and possibly < 19 kpc.
References: Willis 1973, A&A, 26, 237. NRAO 300-ft at 2.7 GHz (5 : S = 17 ± 7). Clark et al. 1975, AuJPA, 37, 75. Molonglo at 408 MHz (3 : S = 38). Caswell et al. 1975, A&A, 45, 239. Parkes HI absorption. Dickel & Milne 1976, AuJPh, 29, 435. Comparison of earlier Parkes 64-m maps at 2.7 GHz (8 .4) and 5 GHz (4 .4). Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2 .6). Milne et al. 1989, PASAu, 8, 187. Parkes 64-m at 8.4 GHz (3 .0 : S = 12.9 ± 1.0), including polarization. Kassim 1992, AJ, 103, 943. VLA at 327 MHz (2 .9 â 3 .5 : S = 55). Dubner et al. 1996, AJ, 111, 1304. VLA at 1.4 GHz (75 â 55 : S = 29.9 ± 0.3).

G18.9 - 1.1
RA: 18h 27m 00s Dec: -13 00 1-GHz flux/Jy: 37 Spectral index: varies Size/arcmin: 33 Type: C?

Has been called G18.95-1.1 and G18.94-1.04. Radio: Non-thermal, diffuse partially limb-brightened, with central ridge. X-ray: Partial shell.
References: ¨ Furst et al. 1985, Natur, 314, 720. Effelsberg 100-m at 4.75 GHz (2 .4 : S = 23.8), plus other flux densities. Odegard 1986, AJ, 92, 1372. TPT at 57.5 MHz (7 .2 â 8 : S = 82 ± 15), plus review of flux densities. Barnes & Turtle 1988, in SNRISM, p347. Molonglo at 408 MHz (2 .9 â 3 .1 : S = 58 ± 9) and Parkes 64-m at 5 GHz (4 .4 â 4 .1 : S = 23 ± 6). Patnaik et al. 1988, Natur, 332, 136. OSRT at 327 MHz (0 .6 â 1 .6). ¨ Furst et al. 1989, A&A, 209, 361. Effelsberg 100-m at 4.75 GHz (2 .45 : S = 23.8) and VLA at 1.5 and 4.9 GHz (19 â 14 ), and Effelsberg 100-m at 1.4 GHz (9 ) for HI. Aschenbach et al. 1991, A&A, 246, L32. ROSAT observations. ¨ Furst et al. 1997, A&A, 319, 655. ROSAT observations, and Effelsberg 100-m at 10.6 GHz (1 .1).

1998 September


Table IV

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Detailed listings

G20.0 - 0.2
RA: 18h 25m 20s Dec: -11 37 1-GHz flux/Jy: 10 Spectral index: 0.0 Size/arcmin: 10 Type: F

Radio: Faint, filled-centre, polarized. Point sources: OH source 20.1-0.1 is nearby.
References: Becker & Helfand 1985, ApJ, 297, L25. VLA at 1.4 and 5 GHz (12 ). Odegard 1986, AJ, 92, 1372. TPT at 57.5 MHz (7 .2 â 8 : S = 8.5 ± 2), plus review of flux densities. Biggs & Lyne 1996, MNRAS, 282, 691. Pulsar search.

G21.5 - 0.9
RA: 18h 30m 47s Dec: -10 37 1-GHz flux/Jy: 6 Spectral index: 0.0 Size/arcmin: 1.2 Type: F

Radio: Filled-centre, with high frequency turnover. X-ray: Detected, with power-law spectrum. Distance: HI absorption indicates 5.5 kpc.
References: Wilson & Weiler 1976, A&A, 53, 89. WSRT at 5 GHz (6 â 35 ). Becker & Kundu 1976, ApJ, 204, 427. NRAO interferometer at 2.7 GHz (20 â 5 ) and 8 GHz (7 â 2 ), plus review of flux densities. Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2 .6). Becker & Szymkowiak 1981, ApJ, 248, L23. VLA at 5 GHz (8 ), and HRI and IPC observations. Davelaar et al. 1986, ApJ, 300, L59. EXOSAT X-ray spectrum, and VLA HI observations. Morsi & Reich 1987, A&AS, 69, 533. Effelsberg 100-m at 32 GHz (26 .5 : S = 5.64 ± 0.29). ¨ Furst et al. 1988, PASJ, 40, 347. NRO array at 22.3 GHz (4 .4 â 7 .3). Salter et al. 1989, A&A, 225, 167. Observations at 90.7 (29 .5 : S = 3.8 ± 0.4) and 141.9 GHz (S = 2.5 ± 1.2). Salter et al. 1989, ApJ, 338, 171. NRAO 12-m at 84.2 GHz (S = 3.94 ± 0.70), plus review of flux densities. Asaoka & Koyama 1990, PASJ, 42, 625. Ginga X-ray spectrum. Kassim 1992, AJ, 103, 943. VLA at 327 MHz (3 .3 â 3 .4 : S = 9). Wallace et al. 1994, A&A, 286, 565. HI of surroundings. Biggs & Lyne 1996, MNRAS, 282, 691. Pulsar search. Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

G21.8 - 0.6
RA: 18 30 00 Dec: -10 10
h m s

Kes 69
1-GHz flux/Jy: 69 Spectral index: 0.5 Size/arcmin: 20 Type: S

Radio: Incomplete shell. X-ray: Detected. Distance: H2 CO absorption indicates > 6.3 kpc.
References: Shaver & Goss 1970, AuJPA, 14, 133. Molonglo at 408 MHz (3 ) and Parkes 64-m at 5 GHz (4 ). Wilson 1972, A&A, 19, 354. H2 CO absorption. Kundu et al. 1974, AJ, 79, 1332. NRAO 140-ft at 5 GHz (6 ) and 10 GHz (3 ). Velusamy & Kundu 1974, A&A, 32, 375. NRAO 300-ft et 2.7 GHz (5 : S = 42.3 ± 4.6). Dickel & Milne 1976, AuJPh, 29, 435. Comparison of earlier Parkes 64-m maps at 2.7 GHz (8 .4) and 5 GHz (4 .4). Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2 .6). Seward 1990, ApJS, 73, 781. IPC observations. Kassim 1992, AJ, 103, 943. VLA at 327 MHz (3 .3 â 3 .5 : S = 132). Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations, including masers.

G22.7 - 0.2
RA: 18h 30m 30s Dec: -09 15
References: Shaver & Goss 1970, AuJPA, 14, Altenhoff et al. 1979, A&AS, 35, Kassim 1992, AJ, 103, 943. VLA Green et al. 1997, AJ, 114, 2058.

1-GHz flux/Jy: 33 Spectral index: 0.6

Size/arcmin: 26 Type: S?

Radio: Non-thermal ring in complex region, overlapping G23.3-0.3.
133. Molonglo at 408 MHz (3 ) and Parkes 64-m at 5 GHz (4 ). 23. Effelsberg 100-m at 4.9 GHz (2 .6). at 327 MHz (3 .3 â 3 .4 : S = 82). Parkes 64-m OH observations.

1998 September


Table IV

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Detailed listings

G23.3 - 0.3
RA: 18 32 00 Dec: -08 50
h m s

W41
1-GHz flux/Jy: 70 Spectral index: 0.5 Size/arcmin: 27 Type: S

Radio: Incomplete ring, in complex region, overlapping G22.7-0.2. Point sources: Pulsar association suggested.
References: Shaver & Goss 1970, AuJPA, 14, 133. Molonglo at 408 MHz (3 ) and Parkes 64-m at 5 GHz (4 ). Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2 .6). Kassim 1992, AJ, 103, 943. VLA at 327 MHz (3 .3 â 3 .4 : S = 138). Gaensler & Johnston 1995, MNRAS, 275, L73. Possible pulsar association. Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

G23.6 + 0.3
RA: 18h 30m 20s Dec: -08 15 1-GHz flux/Jy: 8? Spectral index: 0.3 Size/arcmin: 10? Type: ?

Radio: Not well resolved, in complex region.
References: Shaver & Goss 1970, AuJPA, 14, 133. Molonglo at 408 MHz (3 ) and Parkes 64-m at 5 GHz (4 ). Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2 .6). Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

G24.7 - 0.6
RA: 18h 36m 00s Dec: -07 35 Radio: Incomplete shell, defined in SW.
References: Clark et al. 1975, AuJPA, 37, 1. Molonglo at 408 MHz (3 : S = 12.3) and Parkes 64-m at 5 GHz (4 : S = 3.6). Angerhofer et al. 1977, A&A, 55, 11. NRAO 140-ft at 5 GHz (6 .8 : S = 2.2 ± 0.5). Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2 .6). Dubner et al. 1993, AJ, 105, 2251. VLA at 1.47 GHz (44 â 56 : S = 1.9). Frail et al. 1996, AJ, 111, 1651. OH emission near remnant. Biggs & Lyne 1996, MNRAS, 282, 691. Pulsar search.

1-GHz flux/Jy: 8 Spectral index: 0.5

Size/arcmin: 15? Type: S?

G24.7 + 0.6
RA: 18h 31m 30s Dec: -07 07 1-GHz flux/Jy: 20? Spectral index: 0.2? Size/arcmin: 30 â 15 Type: C?

Radio: Filled-centre, with faint shell, and a compact HII region to the S. References: Shaver & Goss 1970, AuJPA, 14, 133. Molonglo at 408 MHz (3 ) and Parkes 64-m at 5 GHz (4 ). Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2 .6). Reich et al. 1984, A&A, 133, L4. Effelsberg 100-m at 2.7 GHz (4.3 : S = 19 ± 3) and 4.75 GHz (2 .4 : S = 17 ± 4) and NRO 45-m at 10.2 GHz (2 .7 : S = 15 ± 3). Becker & Helfand 1987, ApJ, 316, 660. VLA at 1.4 GHz (12 ), and X-ray upper limit. Biggs & Lyne 1996, MNRAS, 282, 691. Pulsar search.

1998 September


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Detailed listings

G27.4 + 0.0
RA: 18 38 40 Dec: -04 59
h m s

4C-04.71
1-GHz flux/Jy: 6 Spectral index: 0.68 Size/arcmin: 4 Type: S

Early references refer to G27.3-0.1 (Kes 73), a supposed larger remnant. Radio: Incomplete shell. X-ray: Diffuse emission, with central compact source. Point sources: Central long period pulsar. Distance: HI absorption indicates 6 to 7.5 kpc.
References: Velusamy & Kundu 1974, A&A, 32, 375. NRAO 300-ft at 2.7 GHz (5 ). Dickel & Milne 1976, AuJPh, 29, 435. Comparison of earlier Parkes 64-m maps at 2.7 GHz (8 .4) and 5 GHz (4 .4). Angerhofer et al. 1977, A&A, 55, 11. NRAO 140-ft at 5 GHz (6 .8 : S = 2.0 ± 0.5). Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2 .6). Clark et al. 1975, AuJPA, 37, 75. Molonglo at 408 MHz (3 : S = 4.4). Caswell et al. 1982, MNRAS, 200, 1143. FIRST at 1415 MHz (60 â 45 : S = 3.5). Revise S(408) = 10.4, and S(5000) = 1.9 ± 0.2. Kriss et al. 1985, ApJ, 288, 703. IPC and HRI observations, plus VLA at 1.4 and 5 GHz (12 ). Sanbonmatsu & Helfand 1992, AJ, 104, 2189. VLA at 1.4 GHz for HI absorption. Helfand et al. 1994, ApJ, 434, 627. ROSAT observations, particularly of central source. Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations, including nearby masers. Vasisht & Gotthelf 1997, ApJ, 486, L129. ASCA detection of pulsar. Gotthelf & Vasisht 1997, ApJ, 486, L133. ASCA observations.

G27.8 + 0.6
RA: 18h 37m 06s Dec: -04 28 1-GHz flux/Jy: 30 Spectral index: varies Size/arcmin: 50 â 30 Type: F

Radio: Filled-centre, with spectral turnover.
References: Reich et al. 1984, A&A, 133, L4. Effelsberg 100-m at 2.7 GHz (4 .3 : S = 23 ± 2), and 4.75 GHz (2 .4 : S = 18 ± 2) and NRO 45-m at 10.2 GHz (smoothed to 4 .3 : S = 8.5 ± 2). Frail et al. 1996, AJ, 111, 1651. OH emission near remnant. Biggs & Lyne 1996, MNRAS, 282, 691. Pulsar search.

G28.8 + 1.5
RA: 18h 36m 30s Dec: -02 40 Radio: Part of rim detected. X-ray: Diffuse, Centrally brightened.
References: Schwentker 1994, A&A, 286, L47. ROSAT observations.

1-GHz flux/Jy: ? Spectral index: 0.4?

Size/arcmin: 100? Type: S?

1998 September


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Detailed listings

G29.7 - 0.3
RA: 18 43 48 Dec: -03 02
h m s

Kes 75
1-GHz flux/Jy: 10 Spectral index: 0.7 Size/arcmin: 3 Type: C

Radio: Shell with flatter spectrum emission from centre. X-ray: Thermal shell and non-thermal core. Distance: HI absorption indicates > 9 kpc and possibly at 21 kpc.
References: Shaver & Goss 1970, AuJPA, 14, 133. Molonglo at 408 MHz (3 ) and Parkes 64-m at 5 GHz (4 ). Milne & Dickel 1974, AuJPh, 27, 549. Parkes 64-m at 2.7 GHz (8 .4 : S = 5 ± 20%). Becker & Kundu 1975, AJ, 80, 679. NRAO 140-ft at 10.6 GHz (3 ). Becker & Kundu 1976, ApJ, 204, 427. NRAO interferometer at 2.7 GHz (20 â 7 ) and 8 GHz (25 â 8 ), plus review of flux densities. Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2 .6). Becker et al. 1983, ApJ, 268, L93. VLA at 1.4 GHz (3 ), plus IPC and HRI. Becker & Helfand 1984, ApJ, 283, 154. VLA at 5 GHz (2 .6), plus HI. Morsi & Reich 1987, A&AS, 71, 189. Effelsberg 100-m at 32 GHz (26 .5 : S = 1.02 ± 0.07). Salter et al. 1989, ApJ, 338, 171. NRAO 12-m at 84.2 GHz of core, plus review of flux densities. Kassim 1992, AJ, 103, 943. VLA at 327 MHz (3 .4 â 3 .7 : S = 27.4). Biggs & Lyne 1996, MNRAS, 282, 691. Pulsar search. Blanton & Helfand 1996, ApJ, 470, 961. ASCA observations. Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

G30.7 - 2.0
RA: 18h 51m 50s Dec: -02 58 Radio: Poorly defined.
References: Reich et al. 1988, in SNRISM, p293. Summary of parameters. Reich et al. 1990, A&AS, 85, 633. Effelsberg 100-m at 2.7 GHz (4 .3). Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

1-GHz flux/Jy: 0.5? Spectral index: 0.7?

Size/arcmin: 16 Type: ?

G30.7 + 1.0
RA: 18h 42m 10s Dec: -01 35 1-GHz flux/Jy: 6 Spectral index: 0.4 Size/arcmin: 24 â 18 Type: S?

Radio: Non-thermal, highly polarized part shell? Point sources: Compact source near centre.
References: Reich et al. 1986, A&A, 155, 185. Effelsberg 100-m at 4.75 GHz (2 .4 : S = 3.4 ± 0.4), plus other flux densities. Kassim 1992, AJ, 103, 943. VLA at 327 MHz (3 .6 â 3 .9 : S = 8.6). Gorham et al. 1996, ApJ, 458, 257. Pulsar search.

G31.5 - 0.6
RA: 18h 48m 35s Dec: -01 35 Has been called G31.55-0.65. Radio: Distorted shell? near HII region.
References: ¨ Furst et al. 1987, A&AS, 69, 403. Effelsberg 100-m at 4.75 GHz (2 .4), plus other flux densities.

1-GHz flux/Jy: 2? Spectral index: ?

Size/arcmin: 18? Type: S?

1998 September


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Detailed listings

G31.9 + 0.0
RA: 18 46 50 Dec: -00 59
h m s

3C391
1-GHz flux/Jy: 24 Spectral index: 0.55 Size/arcmin: 5 â 7 Type: S

Radio: Shell, brightest in NW. X-ray: Diffuse with central core. Distance: HI absorption is seen to the tangent point (8.5 kpc).
References: Radhakrishnan et al. 1972, ApJS, 24, 49. HI absorption. Becker & Kundu 1975, AJ, 80, 679. NRAO 140-ft at 10.6 GHz (3 ). Green et al. 1975, A&A, 44, 187. Effelsberg 100-m at 15 GHz (58 : S > 1.6). Becker & Kundu 1976, ApJ, 204, 427. NRAO interferometer at 2.7 GHz (20 â 23 ) and 8 GHz (24 â 9 ), plus review of flux densities. Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2 .6). Goss et al. 1979, A&A, 78, 75. FIRST at 1.4 GHz (54 â 66 : S = 20 ± 2) and Effelsberg 100-m at 10.7 GHz (77 : S = 7.5 ± 0.8). Wang & Seward 1984, ApJ, 279, 705. IPC and HRI observations. Kassim 1992, AJ, 103, 943. VLA at 327 MHz (3 .4 â 3 .7 : S = 44.8). Reynolds & Moffett 1993, AJ, 105, 2226. VLA at 1.4 GHz (6 ), including possible associated CO. Moffett & Reynolds 1994, ApJ, 425, 668. VLA at 330 MHz (smoothed to 30 : S = 38.5 ± 0.5) 1.46 GHz (6 .7) and 4.85 GHz (6 .2 â 6 .4), including spectral index and polarization studies. Frail et al. 1996, AJ, 111, 1651. OH emission near remnant, including masers. Gorham et al. 1996, ApJ, 458, 257. Pulsar search. Reach & Rho 1996, A&A, 315, L277. ISO spectroscopy. Rho & Petre 1996, ApJ, 467, 698. ROSAT observations. Wilner et al. 1998, AJ, 115, 247. CO observations of surroundings.

G32.0 - 4.9
RA: 19 03 00 Dec: -03 00
h m s

3C396.1
1-GHz flux/Jy: 22? Spectral index: 0.5? Size/arcmin: 60? Type: S?

Radio: Possible large shell?
References: Milne & Hill 1969, AuJPh, 22, 211. Parkes 64-m at 635 MHz (31 : S = 25 ± 30%), 1410 MHz (15 : S = 19 ± 15%) and 2650 MHz (8 .4 : S = 8.6 ± 30%). Fluxes if size is 60', plus review of flux densities. Caswell 1970, AuJPh, 23, 105. Revision of low frequency flux densities. Dickel & DeNoyer 1975, AJ, 80, 437. Arecibo at 111 MHz (S = 105 ± 30).

G32.1 - 0.9
RA: 18h 50m 30s Dec: -01 12 1-GHz flux/Jy: ? Spectral index: ? Size/arcmin: 40? Type: C?

Radio: Possible faint shell, not well defined. X-ray: Diffuse, with clumps.
References: Folgheraiter et al. 1997, MNRAS, 292, 365. ROSAT and ASCA observations.

G32.8 - 0.1
RA: 18 48 50 Dec: -00 12
h m s

Kes 78
1-GHz flux/Jy: 11? Spectral index: 0.2? Size/arcmin: 17 Type: S?

Part has been called G33.1-0.1. Radio: Elongated shell?
References: Velusamy & Kundu 1974, A&A, 32, 375.NRAO 300-ft et 2.7 GHz (5 : S = 7.2 ± 0.5). Dickel & DeNoyer 1975, AJ, 80, 437. Arecibo at 430 MHz (S = 19.0 ± 15.5). Becker & Kundu 1975, AJ, 80, 679. NRAO 140-ft at 10.6 GHz (3 ). Caswell et al. 1975, AuJPA, 37, 39. Molonglo at 408 MHz (3 : S = 12.8) and Parkes 64-m at 5 GHz (4 : S = 7.7). Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2 .6). Kassim 1992, AJ, 103, 943. VLA at 327 MHz (3 .6 â 3 .8 : S = 31.3). Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

1998 September


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Detailed listings

G33.2 - 0.6
RA: 18h 51m 12s Dec: -00 05 Radio: Incomplete shell.
References: Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2 .6). Reich 1982, A&A, 106, 314. Effelsberg 100-m at 2.7 GHz (4 .4 : S = 2.6 ± 0.3) and 4.75 GHz (2 .5 : S = 1.75 ± 0.2). Dubner et al. 1996, AJ, 111, 1304. VLA at 1.4 GHz (68 â 52 : S = 2.7 ± 0.3). Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

1-GHz flux/Jy: 3.5 Spectral index: varies

Size/arcmin: 18 Type: S

G33.6 + 0.1
RA: 18 50 15 Dec: +00 37
h m s

Kes 79, 4C00.70, HC13
1-GHz flux/Jy: 22 Spectral index: 0.5 Size/arcmin: 10 Type: S

Has been called G33.7+0.0. Radio: Shell, with bright central region, in complex region. X-ray: Detected. Distance: HI absorption gives about 10 kpc.
References: Caswell et al. 1975, AuJPA, 37, 39. Molonglo at 408 MHz (3 : S = 35.5) and Parkes 64-m at 5 GHz (4 : S = 7.8). Caswell et al. 1975, A&A, 45, 239. HI absorption. Dickel & DeNoyer 1975, AJ, 80, 437. Arecibo S(430) = 69 ± 33. Becker & Kundu 1975, AJ, 80, 679. NRAO 140-ft at 10.6 GHz (3 : S = 6.8 ± 1.5). Angerhofer et al. 1977, A&A, 55, 11. NRAO 140-ft at 5 GHz (6 .8 : S = 11.4 ± 1.1). Caswell et al. 1981, MNRAS, 195, 89. FIRST at 1415 MHz (1 ), plus observations of the nearby point source. van Gorkom et al. 1982, MNRAS, 198, 757. WSRT HI absorption to nearby point source, possibly extragalactic. Seaquist & Gilmore 1982, AJ, 87, 378. VLA observations of nearby source, plus IPC observations. Green 1989, MNRAS, 238, 737. OH absorption. Frail & Clifton 1989, ApJ, 336, 854. VLA at 1.4 GHz (1 â 2 .9), including HI absorption. Velusamy et al. 1991, AJ, 102, 676. VLA at 327 MHz (1 ), 1.5 (7 â 14 ) and 5 GHz (7 ), including spectral comparison. Green & Dewdney 1992, MNRAS, 254, 686. Observations of adjacent molecular material. Kassim 1992, AJ, 103, 943. VLA at 327 MHz (3 .6 â 3 .8 : S = 34.8). Seward & Velusamy 1995, ApJ, 439, 715. ROSAT observations. Gorham et al. 1996, ApJ, 458, 257. Pulsar search. Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

1998 September


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Detailed listings

G34.7 - 0.4
RA: 18 53 30 Dec: +01 18
h m s

W44, 3C392
1-GHz flux/Jy: 230 Spectral index: 0.30 Size/arcmin: 35 â 27 Type: S

Has been called G34.6-0.5. Radio: Distorted shell, brighter to the E, with pulsar and associated nebula. X-ray: Centrally concentrated, thermal spectrum, plus pulsar nebula. Point sources: Pulsar within the boundary of the remnant. Distance: HI absorption indicates 3 kpc.
References: Kundu & Velusamy 1972, A&A, 20, 237. NRAO 140-ft at 10.7 GHz (3 : S = 105 ± 7). Velusamy & Kundu 1974, A&A, 32, 375. NRAO 300-ft at 2.7 GHz (5 : S = 177 ± 10). Caswell et al. 1975, A&A, 45, 239. HI absorption. Clark et al. 1975, AuJPA, 37, 75. Molonglo at 408 MHz (3 : S = 299 which is less than the 390 Jy found by Kesteven 1968, AuJPh, 21, 739 with the same telescope). Dickel & DeNoyer 1975, AJ, 80, 437. Arecibo S(430) = 540 ± 187. Dickel & Milne 1976, AuJPh, 29, 435. Comparison of earlier Parkes 64-m maps at 2.7 GHz (8 .4) and 5 GHz (4 .4). Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2 .6). Smith et al. 1985, MNRAS, 217, 99. IPC observations. Wolszczan et al. 1991, ApJ, 372, L99. Pulsar detection. Kassim 1992, AJ, 103, 943. VLA at 327 MHz (3 .6 â 3 .8 : S = 469). Jones et al. 1993, MNRAS, 265, 631. VLA at 1.4 GHz (15 ), plus X-ray spectra. Rho et al. 1994, ApJ, 430, 757. Optical and ROSAT observations. Koo & Heiles 1995, ApJ, 442, 679. HI of surrounding shell. Esposito et al. 1996, ApJ, 461, 820. Possible associated -ray emission. Harrus et al. 1996, ApJ, 464, L161. ASCA observations. Frail et al. 1996, ApJ, 464, L165. VLA at 1.5 and 8.4 GHz (8 .9 â 7 .8) of pulsar nebula. Frail et al. 1996, AJ, 111, 1651. OH maser emission. Biggs & Lyne 1996, MNRAS, 282, 691. Pulsar search. Reach & Rho 1996, A&A, 315, L277. ISO spectroscopy. Harrus et al. 1997, ApJ, 488, 781. X-ray observations. Caussen et al. 1997, ApJ, 489, 143. VLA of associated OH masers. Giacani et al. 1997, AJ, 113, 1379. VLA at 1.4 GHz (15 ), plus optical images.

G36.6 - 0.7
RA: 18h 58m 05s Dec: +02 52 1-GHz flux/Jy: ? Spectral index: ? Size/arcmin: 25? Type: S?

Radio: Polarized arc, possibly part of a larger shell?
References: ¨ Furst et al. 1987, A&AS, 69, 403. Effelsberg 100-m at 4.75 GHz (2 .4), plus other flux densities. Kassim 1992, AJ, 103, 943. VLA at 327 MHz (3 .4 â 3 .7 : S = 6.7). Gorham et al. 1996, ApJ, 458, 257. Pulsar search.

G36.6 + 2.6
RA: 18h 46m 20s Dec: +04 23 Radio: Poorly resolved shell.
References: Reich et al. 1988, in SNRISM, p293. Summary of parameters. Reich et al. 1990, A&AS, 85, 633. Effelsberg 100-m at 2.7 GHz (4 .3).

1-GHz flux/Jy: 0.7? Spectral index: 0.5?

Size/arcmin: 17 â 13? Type: S

1998 September


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Detailed listings

G39.2 - 0.3
RA: 19 01 40 Dec: +05 23
h m s

3C396, HC24, NRAO 593
1-GHz flux/Jy: 18 Spectral index: 0.6 Size/arcmin: 8 â 6 Type: S

Radio: Shell, brightest to the W, with faint `tail' to E. X-ray: Centrally brightened. Distance: HI absorption suggests at least 7.7 kpc.
References: Shaver & Goss 1970, AuJPA, 14, 133. Molonglo at 408 MHz (3 ). Dickel & DeNoyer 1975, AJ, 80, 437. Arecibo S(430) = 54 ± 38. Becker & Kundu 1975, AJ, 80, 679. NRAO 140-ft at 10.6 GHz (3 : S = 4.1 ± 1.0). Caswell et al. 1975, A&A, 45, 239. HI absorption. Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2 .6). Caswell et al. 1982, MNRAS, 200, 1143. FIRST at 1.4 GHz (65 â 48 ). Becker & Helfand 1987, AJ, 94, 1629. VLA at 1.4 GHz (12 : S = 14) and 5 GHz, plus IPC observations. Patnaik et al. 1990, A&A, 232, 467. VLA at 1.5 GHz (25 ) and 1.4 GHz (7 .8 â 7 .5) and 5 GHz (25 ) including polarization, plus OSRT at 327 MHz (100 â 31 ), including review of flux densities. Kassim 1992, AJ, 103, 943. VLA at 327 MHz (3 .5 â 3 .6 : S = 42.5). Anderson & Rudnick 1993, ApJ, 408, 514. VLA at 1.45 and 4.89 GHz for spectral index studies. Biggs & Lyne 1996, MNRAS, 282, 691. Pulsar search. Gorham et al. 1996, ApJ, 458, 257. Pulsar search. Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

G39.7 - 2.0
RA: 19 10 00 Dec: +04 50
h m s

W50, SS433
1-GHz flux/Jy: 85? Spectral index: 0.7? Size/arcmin: 120 â 60 Type: ?

Eastern part has been called G40.0-3.1. Is this a SNR? Radio: Elongated shell, containing SS433, adjacent to the HII region S74. Optical: Faint filaments at the edge of the radio emission. X-ray: Emission from SS433 and two lobes. Point sources: SS433 is the compact source in the centre of the W50. Distance: Distance to SS433 is 5 kpc.
References: van den Bergh 1980, ApJ, 236, L23. Optical in H and [SII]. Zealey et al. 1980, MNRAS, 192, 731. Optical spectra. van Gorkom et al. 1982, MNRAS, 198, 757. WSRT HI absorption to nearby point source (not SS433). Seaquist & Gilmore 1982, AJ, 87, 378. VLA observations of nearby source. Watson et al. 1983, ApJ, 273, 688. X-ray observations. Downes et al. 1986, MNRAS, 218, 393. Effelsberg 100-m at 4.75 GHz (2 .4 : S = 34 ± 4), plus previous 1.7 and 2.7 GHz data. Romney et al. 1987, ApJ, 321, 822. VLBI of SS433, including distance. Elston & Baum 1987, AJ, 94, 1633. Mosaic with VLA at 1.4 GHz (30 ) of fine structure only. Kawai et al. 1989, PASJ, 41, 491. X-ray observations of SS433. Band 1989, ApJ, 336, 937. Einstein and EXOSAT observations. Yamauchi et al. 1994, PASJ, 46, L109. X-ray spectral observations. Biggs & Lyne 1996, MNRAS, 282, 691. Pulsar search. Brinkmann et al. 1996, A&A, 312, 306. ROSAT observations. ¨ Safi-Harb & Ogelman 1997, ApJ, 483, 868. ROSAT observations.

G40.5 - 0.5
RA: 19h 04m 45s Dec: +06 26 Radio: Shell, brightest to the NE.
References: Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2 .6). Downes et al. 1980, A&A, 92, 47. Effelsberg 100-m at 1.7 GHz (7 .6 : S = 9.3 ± 1.3), and 2.7 GHz (4 .4 : S = 7.2 ± 0.5), plus review of flux densities.

1-GHz flux/Jy: 11 Spectral index: 0.5

Size/arcmin: 22 Type: S

1998 September


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Detailed listings

G41.1 - 0.3
RA: 19 05 08 Dec: +07 03
h m s

3C397
1-GHz flux/Jy: 22 Spectral index: 0.48 Size/arcmin: 4.5 â 2.5 Type: S

Radio: 3C397 is two sources: the E is the SNR, the W is a HII region. X-ray: Brighter to the E and W. Distance: Possible limit of > 7.5 kpc for non-thermal component from HI absorption.
References: Kundu et al. 1974, AJ, 79, 1332. NRAO 140-ft at 10 GHz (3 ) and 5 GHz (6 ). Velusamy & Kundu 1974, A&A, 32, 375. NRAO 300-ft at 2.7 GHz (5 : S = 21.3 ± 1.2 for both components). Caswell et al. 1975, A&A, 45, 239. HI absorption. Dickel & DeNoyer 1975, AJ, 80, 437. Arecibo S(430) = 82 ± 51, also Algonquin 46-m at 10.6 GHz (3 : S = 12 ± 2), and Haystack 36-m at 15.5 GHz (2 .3 : S = 8.5 ± 3.0). Caswell et al. 1975, AuJPA, 37, 39. Molonglo at 408 MHz (3 : S = 29.8) and Parkes 64-m at 5 GHz (4 : S = 8.7). Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2 .6). Caswell et al. 1982, MNRAS, 200, 1143. FIRST at 1.4 GHz (58 â 52 ). Becker et al. 1985, ApJ, 296, 461. VLA at 1.4 and 5 GHz (8 ), plus HRI and IPC observations. Morsi & Reich 1987, A&AS, 71, 189. Effelsberg 100-m at 32 GHz (smoothed to 30 : S = 1.10 ± 0.19). Kassim 1992, AJ, 103, 943. VLA at 327 MHz (3 .5 â 3 .6 : S = 46.3). Anderson & Rudnick 1993, ApJ, 408, 514. VLA at 1.45 and 4.89 GHz, for spectral index studies. Gorham et al. 1996, ApJ, 458, 257. Pulsar search. Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

G42.8 + 0.6
RA: 19h 04m 55s Dec: +09 00 Has been called G42.8+0.65. Radio: Faint shell. Point sources: Near soft gamma repeater.
References: ¨ Furst et al. 1987, A&AS, 69, 403. Effelsberg 100-m at 4.75 GHz (2 .4 : S = 1.5 ± 0.2), plus other flux densities. Vasisht et al. 1994, ApJ, 431, L35. VLA at 327 MHz (3 .2 â 3 .4). Hurley et al. 1996, ApJ, 463, L13. Observations of soft gamma repeater field.

1-GHz flux/Jy: 3? Spectral index: 0.5?

Size/arcmin: 24 Type: S

G43.3 - 0.2
RA: 19h 08m 44s Dec: +09 01 1-GHz flux/Jy: 38 Spectral index: 0.48

W49B
Size/arcmin: 4 â 3 Type: S

Radio: Shell, brightest to the SE and W, near the HII region W49A. X-ray: Filled-centre. Distance: HI absorption indicates 10 kpc.
References: Shaver & Goss 1970, AuJPA, 14, 133. Molonglo at 408 MHz (3 ) and Parkes 64-m at 2.7 GHz (4 ). Downes & Wilson 1974, A&A, 34, 133. Effelsberg 100-m at 10.7 GHz (1 .3). Caswell et al. 1975, A&A, 45, 239. HI absorption. Green et al. 1975, A&A, 44, 187. Effelsberg 100-m at 15.0 GHz (58 : S = 9.0 ± 0.7). Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2 .6). Pye et al. 1984, MNRAS, 207, 649. HRI and IPC observations, and VLA at 1.4 and 5 GHz (both 12 ). Smith et al. 1985, ApJ, 296, 469. EXOSAT spectrum. Morsi & Reich 1987, A&AS, 71, 189. Effelsberg 100-m at 32 GHz (smoothed to 30 : S = 6.90 ± 0.38). Moffett & Reynolds 1994, ApJ, 437, 705. VLA at 330 MHz (6 .7 â 7 .7 : S = 64.4), 1.48 GHz (4 .8 â 5 .2 : S = 31.8) and 4.85 GHz (4 .0 â 4 .1), including polarization. Fujimoto et al. 1995, PASJ, 47, L31. ASCA observations. Gorham et al. 1996, ApJ, 458, 257. Pulsar search. Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

1998 September


Table IV

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Detailed listings

G43.9 + 1.6
RA: 19h 03m 30s Dec: +10 25 1-GHz flux/Jy: 8.6? Spectral index: 0.2? Size/arcmin: 60? Type: S?

Radio: Large, poorly defined faint shell. Point sources: Soft gamma repeater nearby.
References: Reich et al. 1988, in SNRISM, p293. Summary of parameters. Reich et al. 1990, A&AS, 85, 633. Effelsberg 100-m at 2.7 GHz (4 .3). Vasisht et al. 1994, ApJ, 431, L35. VLA at 327 MHz (3 .2 â 3 .4). Hurley et al. 1996, ApJ, 463, L13. Observations of soft gamma repeater field.

G45.7 - 0.4
RA: 19h 14m 05s Dec: +11 04 1-GHz flux/Jy: 4.2? Spectral index: 0.4? Size/arcmin: 22 Type: S

Radio: Shell, brightest to the SE, poorly defined to NW.
References: ¨ Furst et al. 1987, A&AS, 69, 403. Effelsberg 100-m at 4.75 GHz (2 .4 : S = 2.6 ± 0.3), plus other flux densities. Gorham et al. 1996, ApJ, 458, 257. Pulsar search.

G46.8 - 0.3
RA: 19 15 50 Dec: +12 04
h m s

(HC30)
1-GHz flux/Jy: 14 Spectral index: 0.5 Size/arcmin: 17 â 13 Type: S

Has been called G46.6-0.2. Radio: Shell, two bright arcs to NNW and SSE. Distance: HI absorption suggests 6.8­8.8 kpc.
References: Willis 1973, A&A, 26, 237. NRAO 300-ft at 2.7 GHz (5 : S = 9.8 ± 0.9), and VRO 37-m at 1.7 GHz (S = 14.5 ± 5.5). Caswell et al. 1975, AuJPA, 37, 39. Molonglo at 408 MHz (3 : S = 20.3) and Parkes 64-m at 5 GHz (4 : S = 7.1). Dickel & DeNoyer 1975, AJ, 80, 437. Arecibo S(430) = 46 ± 21. Angerhofer et al. 1977, A&A, 55, 11. NRAO 140-ft at 5 GHz (6 .8 : S = 5.9 ± 0.6). Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2 .6). Dubner et al. 1996, AJ, 111, 1304. VLA at 1.4 GHz (58 â 53 : S = 13.3 ± 0.1).

G49.2 - 0.7
RA: 19 21 30 Dec: +14 00
h m s

(W51)
1-GHz flux/Jy: 160? Spectral index: 0.3? Size/arcmin: 30 Type: S?

Radio: In complex region, parameters uncertain. X-ray: Elongated east­west. Distance: HI absorption suggests 4.1 kpc.
References: Shaver & Goss 1970, AuJPA, 14, 133. Parkes 64-m at 5 GHz (4 ). Sato 1973, PASJ, 25, 135. HI absorption. Velusamy & Kundu 1974, A&A, 32, 375. NRAO 300-ft at 2.7 GHz (5 ), S = 51.5±3.2, for the non-thermal component, but probably confused. Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2 .6). Seward 1990, ApJS, 73, 781. IPC observations. Copetti & Schmidt 1991, MNRAS, 250, 127. CLFST at 151 MHz. Kassim 1992, AJ, 103, 943. VLA at 327 MHz (3 .1 â 3 .5). Subrahmanyan & Goss 1995, MNRAS, 275, 755. VLA at 330 MHz (1 .1). Koo et al. 1995, ApJ, 447, 211. ROSAT observations. Frail et al. 1996, AJ, 111, 1651. OH emission near remnant. Gorham et al. 1996, ApJ, 458, 257. Pulsar search. Green et al. 1997, AJ, 114, 2058. OH masers. Koo & Moon 1997, ApJ, 475, 194. Arecibo (3 ) and VLA (40 â 42 ) at 1.4 GHz for HI. Koo & Moon 1997, ApJ, 485, 263. NRAO 12-m CO and HCO+ observations.

1998 September


Table IV

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Detailed listings

G53.6 - 2.2
RA: 19 36 30 Dec: +17 08
h m s

3C400.2, NRAO 611
1-GHz flux/Jy: 8 Spectral index: 0.75 Size/arcmin: 28 â 33 Type: S

Has been called G53.7-2.2. Radio: Ring of emission, with extension to NW. Optical: Filaments and diffuse emission. X-ray: Centrally brightened, offset to NW. Distance: Mean optical velocity indicates 6.7 kpc.
References: Willis 1973, A&A, 26, 237. NRAO 300-ft at 2.7 GHz (5 : S = 5.3 ± 0.6). van den Bergh 1978, ApJS, 38, 119. Optical. Velusamy & Kundu 1974, A&A, 32, 375. NRAO 300-ft at 2.7 GHz (5 : S = 4.8 ± 0.3). Clark et al. 1975, AuJPA, 37, 75. Molonglo at 408 MHz (3 : S = 11.7). Dickel & DeNoyer 1975, AJ, 80, 437. Arecibo S(430) = 20 ± 10, S(318) = 20 ± 3.6. Goss et al. 1975, A&A, 43, 459. WSRT at 610 MHz (1 â 3 : S = 13.2 ± 1.6). Sabbadin & d'Odorico 1976, A&A, 49, 119. Optical spectra. Rosado 1983, RMxAA, 8, 59. Optical spectra. Blair & Long 1988, PASP, 100, 461. Optical imaging and spectroscopy. Long et al. 1991, ApJ, 373, 567. IPC and optical observations. Winkler et al. 1993, ApJ, 405, 608. Optical imaging. Dubner et al. 1994, AJ, 108, 207. VLA at 327 MHz (59 ) and 1.49 GHz (52 ), plus X-rays. Saken et al. 1995, ApJ, 443, 231. ROSAT observations. Gorham et al. 1996, ApJ, 458, 257. Pulsar search.

G54.1 + 0.3
RA: 19h 28m 18s Dec: +18 46 Radio: Filled-centre. X-ray: Detected.
References: Green 1985, MNRAS, 216, 691. 5km at 2.7 GHz (7 â 20 ). Reich et al. 1985, A&A, 151, L10. Effelsberg 100-m at 4.75 GHz (2 .4 : S = 0.37 ± 0.04) Velusamy & Becker 1988, AJ, 95, 1162. VLA at 1.4 (14 : S = 0.48 ± 0.03), 1.6 (14 : S = 0.42 ± 0.03) and 5 GHz (5 : S = 0.33 ± 0.02), OSRT at 327 MHz (S = 0.50 ± 0.08), plus review of flux densities. Seward 1989, AJ, 97, 481. IPC observations Biggs & Lyne 1996, MNRAS, 282, 691. Pulsar search. Gorham et al. 1996, ApJ, 458, 257. Pulsar search. Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

1-GHz flux/Jy: 0.5 Spectral index: 0.1

Size/arcmin: 1.5 Type: F?

G54.4 - 0.3
RA: 19 31 10 Dec: +18 50
h m s

(HC40)
1-GHz flux/Jy: 28 Spectral index: 0.5 Size/arcmin: 40 Type: S

Has been called G54.5-0.3. Radio: Shell, in complex region.
References: Velusamy & Kundu 1974, A&A, 32, 375. NRAO 300-ft at 2.7 GHz (5 : S = 34.4 ± 5.0). Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2 .6). Caswell 1985, AJ, 90, 1224. DRAO at 1.4 GHz (1 .3 â 2 .6 : S = 18 ± 4). Velusamy et al. 1986, JApA, 7, 105. WSRT at 609 MHz (50 â 191 smoothed to 100 â 200 ). Junkes et al. 1992, A&AS, 96, 1. Surrounding CO. Junkes et al. 1992, A&A, 261, 289. Nearby IRAS sources.

1998 September


Table IV

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Detailed listings

G55.0 + 0.3
RA: 19h 30m 00s Dec: +19 45 1-GHz flux/Jy: 0.5? Spectral index: 0.5? Size/arcmin: 15 â 20? Type: S

Has been called G55.2+0.5. Radio: Faint, partial shell. Distance: Association with HI features implies 14 kpc. Point sources: Old pulsar nearby.
References: Matthews et al. 1998, ApJ, 493, 312. WSRT at 327 MHz (1 .0 â 2 .9 : S = 0.98 ± 0.15), DRAO at 1.4 GHz (1 .0 â 2 .9 : S = 0.25 ± 0.12), plus HI observations.

G55.7 + 3.4
RA: 19h 19m 10s Dec: +21 38 1-GHz flux/Jy: 1.4 Spectral index: 0.6 Size/arcmin: 23 Type: S

Radio: Incomplete shell. Point sources: Old pulsar within the boundary of the remnant.
References: Goss et al. 1977, A&A, 61, 93. WSRT observations at 610 MHz (57 â 156 : S = 1.9 ± 0.2) and 1415 MHz (27 â 72 : S = 1.0 ± 0.1).

G57.2 + 0.8
RA: 19 32 50 Dec: +21 50
h m s

(4C21.53)
1-GHz flux/Jy: 1.8? Spectral index: ? Size/arcmin: 12? Type: S?

Radio: Extended non-thermal arc. Point sources: Near the millisecond pulsar, but not thought to be related.
References: Sieber & Seiradakis 1984, A&A, 130, 257. Effelsberg 100-m at 1.4 GHz (8 .8 : 1.34 ± 0.1), 2.7 GHz (4 .3 : 0.86 ± 0.1), plus other surveys of the area. Caswell et al. 1985, AJ, 90, 488. DRAO at 1.4 GHz (1 â 3 ).

G59.5 + 0.1
RA: 19h 40m 25s Dec: +23 28 Has been called G59.6+0.1. Radio: Incomplete shell.
References: Taylor et al. 1992, AJ, 103, 931. WSRT at 327 MHz (1 .0 â 2 .5 : S = 5.1 ± 0.2), and northern sky survey at 4.9 GHz. Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

1-GHz flux/Jy: 3? Spectral index: ?

Size/arcmin: 5 Type: S

G59.8 + 1.2
RA: 19h 36m 50s Dec: +24 12 Has been called G59.7+1.2. Radio: Poorly defined source.
References: Reich et al. 1988, in SNRISM, p293. Summary of parameters. Reich et al. 1990, A&AS, 85, 633. Effelsberg 100-m at 2.7 GHz (4 .3).

1-GHz flux/Jy: 1.6 Spectral index: 0.5

Size/arcmin: 20 â 16? Type: ?

1998 September


Table IV

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Detailed listings

G63.7 + 1.1
RA: 19h 45m 50s Dec: +27 37 Radio: Centrally brightened, with core.
References: Wallace et al. 1997, AJ, 114, 2068. WSRT at 1.4 GHz (14 â 26 : S = 1.63), DRAO at 1.4 GHz (smoothed to 2 ), plus review of flux densities and other observations.

1-GHz flux/Jy: 1.8 Spectral index: 0.3

Size/arcmin: 8 Type: F

G65.1 + 0.6
RA: 19h 52m 30s Dec: +28 25 Radio: Large, faint shell. Point sources: Pulsar nearby.
References: Landecker et al. 1990, A&A, 232, 207. DRAO at 408 MHz (3 .5 â 7 .0 : S = 9.5 ± 0.1), and 1.4 GHz (1 .0 â 2 .0 : S = 5.4 ± 1.0). Lorimer et al. 1998, A&A, 331, 1002. Pulsar search.

1-GHz flux/Jy: 6 Spectral index: 0.6

Size/arcmin: 90 â 50 Type: S

G65.3 + 5.7
RA: 19h 31m 00s Dec: +31 05 1-GHz flux/Jy: 52? Spectral index: 0.6? Size/arcmin: 310 â 240 Type: S?

Has been called G65.2+5.7. Radio: Large, faint ring? near S91 and S94. Optical: Strong in H+[NII] and [OIII]. X-ray: Detected. Distance: Mean optical velocity suggests 0.8 kpc.
References: Gull et al. 1977, ApJ, 215, L69. Optical plates. Reich et al. 1979, A&A, 72, 270. Effelsberg 100-m observations at 1.42 GHz (smoothed to 11 : S = 42.4 ± 1.6), estimate S(408) = 91 ± 5 from previous sky survey. Lozinskaya 1981, SvAL, 7, 17. Mean optical velocity. Rosado 1981, ApJ, 250, 222. Optical interferometry. Fesen et al. 1983, ApJS, 51, 337. Deep [OIII] imagery. Fesen et al. 1985, ApJ, 292, 29. Optical spectra. Seward 1990, ApJS, 73, 781. IPC observations. Gorham et al. 1996, ApJ, 458, 257. Pulsar search.

G65.7 + 1.2
RA: 19h 50m 10s Dec: +29 18 Has mistakenly been called G55.7+1.2. Radio: Filled-centre or thick shell? 1-GHz flux/Jy: 5.1 Spectral index: 0.6

DA 495
Size/arcmin: 18 Type: ?

References: Willis 1973, A&A, 26, 237. NRAO 300-ft at 2.7 GHz (5 : S = 2.8 ± 0.4), and VRO 37-m at 1.7 GHz (S = 4.4 ± 0.5), plus review of flux densities. Dickel & DeNoyer 1975, AJ, 80, 437. Arecibo S(430) = 8.7 ± 4.9, S(318) = 9.7 ± 2.2. Landecker & Caswell 1983, AJ, 88, 1810. DRAO at 1.4 GHz (0 .9 â 1 .5 : S = 4.4 ± 0.2). Velusamy et al. 1989, JApA, 10, 161. OSRT at 327 MHz (36 â 64 ), WSRT at 610 MHz (62 ) and VLA at 1.4 GHz (36 and 12 ), including IRAS imaging. Biggs & Lyne 1996, MNRAS, 282, 691. Pulsar search. Gorham et al. 1996, ApJ, 458, 257. Pulsar search. Lorimer et al. 1998, A&A, 331, 1002. Pulsar search.

1998 September


Table IV

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Detailed listings

G67.7 + 1.8
RA: 19h 52m 34s Dec: +31 21 Radio: Double arc shell.
References: Taylor et al. 1992, AJ, 103, 931. WSRT at 327 MHz (1 .9 â 1 .0 : S = 1.9 ± 0.1), and northern sky survey at 4.9 GHz (S = 0.42 ± 0.05). Lorimer et al. 1998, A&A, 331, 1002. Pulsar search.

1-GHz flux/Jy: 1.4 Spectral index: 0.3

Size/arcmin: 9 Type: S

G68.6 - 1.2
RA: 20h 06m 40s Dec: +30 28 Radio: Faint, poorly defined source.
References: Reich et al. 1988, in SNRISM, p293. Summary of parameters. Reich et al. 1990, A&AS, 85, 633. Effelsberg 100-m at 2.7 GHz (4 .3). Lorimer et al. 1998, A&A, 331, 1002. Pulsar search.

1-GHz flux/Jy: 0.7? Spectral index: 0.0?

Size/arcmin: 28 â 25? Type: ?

G69.0 + 2.7
RA: 19 51 30 Dec: +32 45
h m s

CTB 80
1-GHz flux/Jy: 120? Spectral index: varies Size/arcmin: 80? Type: ?

An association with a SN in AD1408 has been suggested. Has been called G68.8+2.8. Is it a SNR? Radio: Compact core, flat spectrum plateau, and steeper spectrum extensions, with spectral break? Optical: Expanding nebulosity near centre, with filaments to the SW and far NE. X-ray: Diffuse emission with compact source. Point sources: Pulsar at western edge of core.
References: Angerhofer et al. 1981, A&A, 94, 313. WSRT at 610 MHz (56 â 103 ) 1.4 GHz (24 â 44 ) and 5 GHz (7 â 13 ), plus optical. Becker et al. 1982, ApJ, 255, 557. X-ray observations. Sofue et al. 1983, PASJ, 35, 437. NRO 45-m at 10.2 GHz (2 .7). Velusamy & Kundu 1983, JApA, 3, 253. VLA of compact sources. Blair et al. 1984, ApJ, 282, 161. Optical images and spectra. Wang & Seward 1984, ApJ, 285, 607. IPC observations. Strom et al. 1984, A&A, 139, 43. Radio observations of flat spectrum component, VLA 5 GHz (1 .7) and 1.4 GHz. Mantovani et al. 1985, A&A, 145, 50. Bologna at 408 MHz (2 .6 â 4 .9 : S = 67.5 ± 10.5), Effelsberg 100-m at 1.41 (9 : S = 62 ± 9), 1.72 (7 .6 : S = 66 ± 5), 2.7 (4 .5 : S = 52 ± 4) and 4.75 GHz (2 .4 : S = 44 ± 3.3), plus review of flux densities. Kulkarni et al. 1988, Natur, 331, 50. Pulsar detection. Angelini et al. 1988, ApJ, 330, L43. EXOSAT spectra. Fesen et al. 1988, Natur, 334, 229. IRAS of surrounding shell. Whitehead et al. 1989, MNRAS, 237, 1109. Optical of core. Salter et al. 1989, ApJ, 338, 171. NRAO 12-m at 84.2 GHz of core, plus review of flux densities. Hester & Kulkarni 1989, ApJ, 340, 362. Optical imaging and spectroscopy. Koo et al. 1990, ApJ, 364, 178. Large, expanding HI shell. Greidanus & Strom 1990, A&A, 240, 376. Optical kinematics of core. Koo et al. 1993, ApJ, 417, 196. VLA at 1.4 GHz of surrounding HI (1 ), plus IRAS. Safi-Harb et al. 1995, ApJ, 439, 722. ROSAT observations. Srinivasan 1997, ApJ, 489, 170. -ray observations of pulsar.

G69.7 + 1.0
RA: 20h 00m 45s Dec: +32 35 Radio: Poorly resolved source.
References: Reich et al. 1988, in SNRISM, p293. Summary of parameters. Reich et al. 1990, A&AS, 85, 633. Effelsberg 100-m at 2.7 GHz (4 .3). Lorimer et al. 1998, A&A, 331, 1002. Pulsar search.

1-GHz flux/Jy: 1.6 Spectral index: 0.8

Size/arcmin: 16 Type: S

1998 September


Table IV

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Detailed listings

G73.9 + 0.9
RA: 20h 12m 20s Dec: +36 03 1-GHz flux/Jy: 9? Spectral index: 0.3? Size/arcmin: 22? Type: S?

Radio: Diffuse, centrally brightened to SW. Optical: Weak shell.
References: Reich et al. 1986, A&A, 155, 185. Effelsberg 100-m at 4.75 GHz (2 .4 : S = 6.7 ± 0.5), plus other flux densities. Chastenay & Pineault 1988, in SNRISM, p297. DRAO at 408 MHz (3 .5 â 5 .9) and 1.4 GHz (1 .0 â 1 .7). Pineault & Chastenay 1990, MNRAS, 246, 169. DRAO at 408 MHz (3 .4 â 5 .8 : S = 12.7 ± 1.2) and 1.4 GHz (1 .0 â 1 .7 : S = 7.4 ± 1.0). Lozinskaya et al. 1993, ARep, 37, 240. Optical observations. Gorham et al. 1996, ApJ, 458, 257. Pulsar search. Pineault et al. 1996, AJ, 112, 201. DRAO at 1.4 GHz (smoothed to 2 ) for HI. Lorimer et al. 1998, A&A, 331, 1002. Pulsar search.

G74.0 - 8.5
RA: 20h 49m 00s Dec: +30 30 1-GHz flux/Jy: 210 Spectral index: varies

Cygnus Loop
Size/arcmin: 230 â 160 Type: S

Radio: Shell, brightest to the NE, with fainter breakout region to S, with spectral variations. Optical: Large filamentary loop, brightest to the NE, not well defined to the S or W. X-ray: Shell in soft X-rays. Point sources: Several compact radio sources within the boundary of the remnant, including CL4.
References: Keen et al. 1973, A&A, 28, 197. Effelsberg 100-m at 2.7 GHz (4 .8), NE at 10.7 GHz (1 .25). Dickel & Willis 1980, A&A, 85, 55. WSRT at 610 MHz (56 â 107 ) of NE area (NGC6992) only. Seaquist & Gilmore 1982, AJ, 87, 378. VLA observations of CL4. Fesen et al. 1982, ApJ, 262, 171. Optical spectroscopy. Hester et al. 1983, ApJ, 273, 219. Optical imagery. Ku et al. 1984, ApJ, 278, 615. IPC and HRI X-ray observations. Green 1984, MNRAS, 211, 433. Most of remnant at 408 MHz (80 â 160 ) with OMT. Charles et al. 1985, ApJ, 295, 456. IPC observations. Braun & Strom 1986, A&A, 164, 208. IRAS observations. Straka et al. 1986, ApJ, 306, 266. Radio and optical comparison of NE. VLA at 1.6 GHz (4 .7) plus optical. Raymond et al. 1988, ApJ, 324, 869. Detailed optical study of filaments. Ballet et al. 1989, A&A, 211, 217. [FeX] and [FeXIV] spectroscopy. Ballet & Rothenflug 1989, A&A, 218, 277. EXOSAT observations. Green 1990, AJ, 100, 1927. DRAO at 408 MHz (3 .3 â 6 .7) for spectral index study, plus X-ray and optical. Graham et al. 1991, AJ, 101, 175. Shocked molecular H outside rim in NE. Shull & Clarke 1991, PASP, 103, 811. Optical spectroscopy of nearside filaments. Blair et al. 1991, ApJ, 374, 202. Far UV mapping. Blair et al. 1991, ApJ, 379, L33. UV spectroscopy. Greidanus & Strom 1992, A&A, 257, 265. Optical kinematics. Shull & Hippelein 1992, ApJ, 383, 714. Optical kinematics and proper motion. Fesen et al. 1992, AJ, 104, 719. H imagery. Cornett et al. 1992, ApJ, 395, L9. UV imagery. Long et al. 1992, ApJ, 400, 214. Optical of Balmer dominated filament. Arendt et al. 1992, ApJ, 400, 562. IRAS observations. Vancura et al. 1993, ApJ, 417, 663. Far UV observations. Hester et al. 1994, ApJ, 420, 721. H, [OIII] and other optical observations of Balmer dominated filaments in NE. Miyata et al. 1994, PASJ, 46, L101. X-ray observations of NE. Graham et al. 1995, ApJ, 444, 787. X-ray and optical studies of interaction with surroundings. Sauvageot & Decourchelle 1995, A&A, 296, 201. [FeX] and [FeXIV] observations. Gorham et al. 1996, ApJ, 458, 257. Pulsar search. Biggs & Lyne 1996, MNRAS, 282, 691. Pulsar search. Levenson et al. 1996, ApJ, 468, 323. ROSAT and optical observations of W. Decourchelle et al. 1997, A&A, 326, 811. ROSAT observations of N. Levenson et al. 1997, ApJ, 484, 304. ROSAT observations. Leahy et al. 1997, AJ, 114, 2081. DRAO at 1.4 GHz (1 â 2 ), including polarisation. Miyata et al. 1998, PASJ, 50, 257. ASCA observations.

1998 September


Table IV

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Detailed listings

G74.9 + 1.2
RA: 20 14 10 Dec: +37 03
h m s

CTB 87
1-GHz flux/Jy: 9 Spectral index: varies Size/arcmin: 8 â 6 Type: F

Radio: Filled-centre, with high polarization and high frequency turnover. X-ray: Centrally brightened. Distance: HI absorption indicates 12 kpc. Point sources: Extragalactic compact source is nearby.
References: Dickel & DeNoyer 1975, AJ, 80, 437. Arecibo S(430) = 12.2 ± 9.7, S(318) = 17.7 ± 5.0. Weiler & Shaver 1978, A&A, 70, 389. WSRT at 610 MHz (57 â 94 : S = 9.1 ± 1.2), 1.4 (24 â 40 : S = 8.7 ± 1.2) and 5 GHz (24 â 40 : S = 5.6 ± 1.3). Geldzahler et al. 1980, A&A, 84, 237. Effelsberg 100-m at 2.7 GHz (4 .4 : S = 7.6 ± 0.5). Wilson 1980, ApJ, 241, L19. IPC observations. van Gorkom et al. 1982, MNRAS, 198, 757. WSRT HI absorption of nearby compact source. Seaquist & Gilmore 1982, AJ, 87, 378. VLA observations of nearby source. Morsi & Reich 1987, A&AS, 69, 533. Effelsberg 100-m at 32 GHz (smoothed to 40 : S = 1.47 ± 0.19). Green & Gull 1989, MNRAS, 237, 555. VLA at 1.4 GHz (1 .2 â 1 .4) including HI. Salter et al. 1989, ApJ, 338, 171. NRAO 12-m at 84.2 GHz, plus review of flux densities. Pineault & Chastenay 1990, MNRAS, 246, 169. DRAO at 408 MHz (3 .4 â 5 .8 : S = 11.6 ± 0.4) and 1.4 GHz (1 .0 â 1 .7 : S = 7.2 ± 0.3). Asaoka & Koyama 1990, PASJ, 42, 625. Ginga X-ray spectrum. Wendker et al. 1991, A&A, 241, 551. DRAO at 408 MHz (3 .5 â 5 .2 : S = 13.3 ± 0.8) and Effelsberg 100-m at 4.8 GHz (S = 7.5 ± 0.7). Wallace et al. 1994, A&A, 286, 565. HI of surroundings. Cho et al. 1994, AJ, 108, 634. CO of adjacent molecular clouds. Gorham et al. 1996, ApJ, 458, 257. Pulsar search. Biggs & Lyne 1996, MNRAS, 282, 691. Pulsar search. Wallace et al. 1997, A&A, 317, 212. DRAO at 408 MHz (3 4 â 5 .5) and 1.4 GHz (1 .0 â 1 .6) including HI (smoothed to 2 ). Lorimer et al. 1998, A&A, 331, 1002. Pulsar search.

G76.9 + 1.0
RA: 20h 20m 30s Dec: +38 33 1-GHz flux/Jy: 2 Spectral index: 0.6 Size/arcmin: 9 â 12 Type: ?

Radio: Diffuse, non-thermal, with low frequency turnover.
References: Landecker et al. 1993, A&A, 276, 522. VLA at 1.49 GHz (14 ), 4.86 GHz (13 â 16 ) and 8.55 GHz (11 â 12 ), including polarization and review of flux densities. Landecker et al. 1997, A&AS, 123, 199. Miyun at 232-MHz (3 .8 â 5 .4). Lorimer et al. 1998, A&A, 331, 1002. Pulsar search.

G78.2 + 2.1
RA: 20 19 00 Dec: +40 15
h m s

DR4, Cygni
1-GHz flux/Jy: 340 Spectral index: 0.5 Size/arcmin: 60 Type: S

Has been called G78.1+1.8. Radio: In complex region (early catalogues refer to other proposed remnants in this region). Optical: Faint filaments, spectra indicate a SNR superposed on a HII region. X-ray: Weak emission from the SE of the remnant. Point sources: -ray and X-ray point source in remnant.
References: Higgs et al. 1977, AJ, 82, 718. DRAO at 1.4 GHz (2 â 3 : S = 270 ± 40) plus some 10 GHz (4 ) survey data, reveals true extent of remnant. d'Odorico & Sabbadin 1977, A&AS, 28, 439. Optical spectra. van den Bergh 1978, ApJS, 38, 119. Optical. Landecker et al. 1980, A&AS, 39, 133. DRAO HI observations (2 â 3 .1). Higgs et al. 1983, AJ, 88, 97. CO of surroundings. Bohigas et al. 1983, RMxAA, 8, 155. Optical spectra, find thermal only. Braun & Strom 1986, A&AS, 63, 345. WSRT HI observations. Fukui & Tatematsu 1988, in SNRISM, p261. CO observations of the vicinity (2 .7). Green 1989, MNRAS, 238, 737. OH observations. Pineault & Chastenay 1990, MNRAS, 246, 169. DRAO at 408 MHz (3 .4 â 5 .8 : S = 480 ± 60) and 1.4 GHz (1 .0 â 1 .7 : S = 270 ± 40). Wendker et al. 1991, A&A, 241, 551. DRAO at 408 MHz (3 .5 â 5 .2 : S = 540 ± 40) and Effelsberg 100-m at 4.8 GHz (S = 150 ± 15). Esposito et al. 1996, ApJ, 461, 820. Associated -ray emission. Brazier et al. 1996, MNRAS, 281, 1033. -ray and X-ray point source. Biggs & Lyne 1996, MNRAS, 282, 691. Pulsar search. Zhang et al. 1997, A&A, 324, 641. Multi-frequency radio comparison. Lorimer et al. 1998, A&A, 331, 1002. Pulsar search.

1998 September


Table IV

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Detailed listings

G82.2 + 5.3
RA: 20 17 30 Dec: +45 20
h m s

W63
1-GHz flux/Jy: 120? Spectral index: 0.5? Size/arcmin: 95 â 65 Type: S

Radio: Shell in the Cygnus X complex. Optical: In complex region, but spectra indicate SNR filaments. X-ray: Detected.
References: Velusamy & Kundu 1974, A&A, 32, 375. NRAO 300-ft at 2.7 GHz (5 : S = 59.0 ± 3.5). Sabbadin 1976, A&A, 51, 159. Optical spectra. Angerhofer et al. 1977, A&A, 55, 11. NRAO 140-ft at 5 GHz (6 .8). Incomplete mapping. ´ Rosado & Gonzalez 1981, RMxAA, 5, 93. Optical spectra. Seward 1990, ApJS, 73, 781. IPC observations. Higgs et al. 1991, JRASC, 85, 24. DRAO at 408 MHz (3 .4 â 5 .0 : S = 165 ± 21), plus review of flux densities. Biggs & Lyne 1996, MNRAS, 282, 691. Pulsar search. Lorimer et al. 1998, A&A, 331, 1002. Pulsar search.

G84.2 - 0.8
RA: 20h 51m 30s Dec: +43 16 1-GHz flux/Jy: 11 Spectral index: 0.5 Size/arcmin: 20 â 16 Type: S

Radio: Elongated shell, with a filament aligned with the major axis.
References: Matthews et al. 1977, A&A, 55, 1. WSRT at 610 MHz (56 â 81 : S = 12.4 ± 1.5) and Effelsberg 100-m at 2.7 GHz (4 .4 : S = 6.8 ± 1.3). Matthews & Shaver 1980, A&A, 87, 255. WSRT at 1415 MHz (23 â 32 ), and Effelsberg 100-m at 2.7 GHz (4 .4 : S = 5.6 ± 0.5). Feldt & Green 1993, A&A, 274, 421. DRAO at 1.4 GHz (1 â 1 .5), including HI, plus CO observations. Lorimer et al. 1998, A&A, 331, 1002. Pulsar search.

G84.9 + 0.5
RA: 20h 48m 45s Dec: +44 42 Radio: Incomplete shell.
References: Taylor et al. 1992, AJ, 103, 931. WSRT at 327 MHz (1 .4 â 1 .0 : S = 1.2 ± 0.1), and northern sky survey at 4.9 GHz (S = 0.40 ± 0.01). Lorimer et al. 1998, A&A, 331, 1002. Pulsar search.

1-GHz flux/Jy: 0.8 Spectral index: 0.4

Size/arcmin: 6 Type: S

G89.0 + 4.7
RA: 20 43 30 Dec: +50 25
h m s

HB21
1-GHz flux/Jy: 220 Spectral index: 0.40 Size/arcmin: 120 â 90 Type: S

Radio: Distorted shell (4C50.52, an extragalactic double, is within the boundary of the remnant). Optical: Filaments possibly associated. X-ray: Centrally brightened.
References: Hirabayashi & Takahashi 1972, PASJ, 24, 231. 30-m dish at 4.2 GHz (11 : S = 160 ± 40). Willis 1973, A&A, 26, 237. NRAO 300-ft at 2.7 GHz (5 : S = 148 ± 16), plus optical filaments. Hill 1974, MNRAS, 169, 59. HMT at 1.4 GHz (3 â 3 .9). Haslam et al. 1975, A&A, 39, 453. Effelsberg 100-m at 2.7 GHz (4 .4) Fukui & Tatematsu 1988, in SNRISM, p261. CO observations of the vicinity (2 .7). Tatematsu et al. 1990, A&A, 237, 189. DRAO at 408 MHz (3 .5 â 4 .5) and 1.4 GHz (1 .0 â 1 .3), including HI, plus CO observations of adjacent molecular cloud. Biggs & Lyne 1996, MNRAS, 282, 691. Pulsar search. Leahy & Aschenbach 1996, A&A, 315, 260. ROSAT observations. Lorimer et al. 1998, A&A, 331, 1002. Pulsar search.

1998 September


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Detailed listings

G93.3 + 6.9
RA: 20 51 00 Dec: +55 10
h m s

DA 530, 4C(T)55.38.1
1-GHz flux/Jy: 9 Spectral index: 0.54 Size/arcmin: 27 â 20 Type: S

Has been called G93.2+6.7. Radio: Shell, with two bright limbs, highly polarized.
References: Roger & Costain 1976, A&A, 51, 151. DRAO at 1.42 GHz (2 â 2 .4 : S = 6.9). Haslam et al. 1980, A&A, 92, 57. Effelsberg 100-m at 1.72 GHz (7 .6 : S = 6.47 ± 0.52) and 2.7 GHz (4 .4 : S = 5.64 ± 0.64), plus review of flux densities. Lalitha et al. 1984, A&A, 131, 196. Effelsberg 100-m at 4.75 GHz (smoothed to 3 : S = 4.01 ± 0.57). Lorimer et al. 1998, A&A, 331, 1002. Pulsar search.

G93.7 - 0.2
RA: 21h 27m 45s Dec: +50 35 1-GHz flux/Jy: 65 Spectral index: 0.3

CTB 104A, DA 551
Size/arcmin: 80 Type: S

Has been called G93.6-0.2 and G93.7-0.3. Radio: Faint shell with possible a steep spectrum core.
References: Velusamy & Kundu 1974, A&A, 32, 375. NRAO 300-ft at 2.7 GHz (5 : S = 18.4 ± 1.0). Mantovani et al. 1982, A&A, 105, 176. Effelsberg 100-m at 1.7 GHz (7 .6 : S = 53.5 ± 5.0), plus review of flux densities. Landecker et al. 1985, AJ, 90, 1082. DRAO at 1.4 GHz (smoothed to 2 : S = 58 ± 6). Mantovani et al. 1991, A&A, 247, 545. Effelsberg 100-m at 4.75 GHz (smoothed to 3 : S = 33.5 ± 4.0), including polarization, plus review of flux densities. Biggs & Lyne 1996, MNRAS, 282, 691. Pulsar search. Lorimer et al. 1998, A&A, 331, 1002. Pulsar search.

G94.0 + 1.0
RA: 21 23 10 Dec: +51 40
h m s

3C434.1
1-GHz flux/Jy: 15 Spectral index: 0.44 Size/arcmin: 30 â 25 Type: S

Radio: Incomplete shell, in complex region.
References: Willis 1973, A&A, 26, 237. NRAO 300-ft at 2.7 GHz (5 : S = 6.1 ± 0.8), Velusamy & Kundu 1974, A&A, 32, 375. NRAO 300-ft at 2.7 GHz (5 : Mantovani et al. 1982, A&A, 105, 176. Effelsberg 100-m at 1.7 GHz (7 Goss et al. 1984, A&A, 138, 469. WSRT at 610 MHz (smoothed to 100 Landecker et al. 1985, AJ, 90, 1082. DRAO at 1.4 GHz (smoothed to 2 Lorimer et al. 1998, A&A, 331, 1002. Pulsar search. and VRO 37-m at 1.7 GHz (S = 11 ± 3). S = 5.8 ± 0.4). Also NRAO 140-ft at 5 GHz (6 ). .6 : S = 12.0 ± 1.3), plus review of flux densities. : S = 16 ± 1.7) and Effelsberg 100-m at 4.75 GHz (2 .4 : S = 7.2 ± 0.5). : S = 16 ± 3).

1998 September


Table IV

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Detailed listings

G109.1 - 1.0
RA: 22 59 30 Dec: +58 37
h m s

CTB 109
1-GHz flux/Jy: 20 Spectral index: 0.50 Size/arcmin: 28 Type: S

Radio: Semicircular shell, with the Molecular cloud S152 is to the immediate W. X-ray: Incomplete shell. Point sources: Pulsar at W edge.
References: Hughes et al. 1981, ApJ, 246, L127. WSRT at 610 MHz (1 : S = 40 ± 5) shows bad CLEAN artefacts. Blair & Kirshner 1981, Natur, 291, 132. Optical spectra. Downes 1983, MNRAS, 203, 695. Effelsberg 100-m at 2.7 GHz (4 .4 : S = 13.0 ± 1.5). Sofue et al. 1983, PASJ, 35, 447. NRO 45-m at 10.2 GHz (2 .7). Hughes et al. 1984, ApJ, 283, 147. WSRT at 610 MHz (20 : S = 26 ± 3) 1.4 GHz (10 ), DRAO at 1.4 GHz (1 â 1 .2 : S = 16.8 ± 2) and Algonquin 46-m at 6.5 GHz (4 .5 : S = 6.7 ± 1). Braun & Strom 1986, A&AS, 63, 345. WSRT HI observations. Tatematsu et al. 1987, PASJ, 39, 755. NRO 45-m at 10 GHz (2 .7), plus polarization. Tatematsu et al. 1987, A&A, 184, 279. CO observations of the surroundings (2 .7). Hanson et al. 1988, A&A, 195, 114. EXOSAT of pulsar. Morini et al. 1988, ApJ, 333, 777. EXOSAT observations. Koyama et al. 1989, PASJ, 41, 461. X-ray observations of pulsar. Coe et al. 1989, MNRAS, 238, 649. IRAS observations of surroundings. Green 1989, MNRAS, 238, 737. OH observations. Tatematsu et al. 1990, ApJ, 351, 157. CO of surroundings, plus X-ray observations. Davies & Coe 1991, MNRAS, 249, 313. Optical and IR observations near pulsar. Hurford & Fesen 1995, MNRAS, 277, 549. ROSAT imaging. Rho & Petre 1997, ApJ, 484, 828. ROSAT observations. Parmar et al. 1998, A&A, 330, 175. X-ray observations. Lorimer et al. 1998, A&A, 331, 1002. Pulsar search.

1998 September


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Detailed listings

G111.7 - 2.1
RA: 23 21 10 Dec: +58 32
h m s

Cassiopeia A, 3C461
1-GHz flux/Jy: 2720 Spectral index: 0.77 Size/arcmin: 5 Type: S

Presumably the remnant of a late 17th century SN. Radio: Bright shell with compact knots and extended plateau of emission. Optical: Fast knots and quasi-stationary flocculli, with many filaments at large radii. X-ray: Incomplete shell, with hard spectral component. Distance: Optical expansion, plus proper motions indicate 2.8 kpc.
References: Bell et al. 1975, Natur, 257, 463. 5km at 5 GHz (2 â 2 .3). Green et al. 1975, A&A, 44, 187. Effelsberg 100-m at 15.0 GHz (58 : S = 419.1 ± 1.7). Fabian et al. 1980, MNRAS, 193, 175. HRI observations. Tuffs 1986, MNRAS, 219, 13. Proper motions from 5km maps at 5 GHz (2 â 2 .3) between 1974 and 1978. Mezger et al. 1986, A&A, 167, 145. 247-GHz map (70 ). Fesen et al. 1987, ApJ, 313, 378. Optical, of fast moving flocculli. Fesen et al. 1988, ApJ, 329, L89. Optical, flocculli, and `flare'. Woan & Duffett-Smith 1990, MNRAS, 243, 87. Structure at 81.5 MHz. Fesen 1990, AJ, 99, 1904. [NeIII] optical imagery. Rees 1990, MNRAS, 243, 637. Flux density decrease at 38 MHz. Anderson et al. 1991, ApJ, 373, 146. VLA at 1.4 and 5 GHz (1 .3) for spectral variations. Hook et al. 1992, A&A, 255, 285. Flux density decrease at 81.5 MHz. Wilson et al. 1993, A&A, 280, 221. Molecular emission towards remnant. Holt et al. 1994, PASJ, 46, L151. X-ray spectral mapping. Woan & Duffett-Smith 1993, MNRAS, 260, 693. Deep pulsar search. Guame et al. 1994, ApJ, 425, 127. NH3 absorption and CO observations. Iyudin et al. 1994, A&A, 284, L1. -ray line observations. Reed et al. 1995, ApJ, 440, 706. Optical spectra, for 3-d structure. Anderson et al. 1995, ApJ, 441, 300. VLA at 1.4 GHz and 4.8 GHz (both 1 .3), for polarization studies. Anderson & Rudnick 1995, ApJ, 441, 307. VLA at 1.4 GHz and 4.8 GHz, for proper motion studies. The et al. 1995, ApJ, 444, 244. -ray observations. Predehl & Schmitt 1995, A&A, 293, 889. ROSAT of dust scattered halo. Liszt & Lucas 1995, A&A, 294, 811. NRAO 12-m observations of molecular emission and absorption. Lawrence et al. 1995, AJ, 109, 2635. Optical imaging spectroscopy. Kassim et al. 1995, ApJ, 455, L59. VLA at 74 (25 ) and 332 MHz (6 ), including spectral index comparisons. Anderson & Rudnick 1996, ApJ, 456, 234. VLA for spectral index comparisons. Agafanov 1996, A&A, 306, 578. Flux density decrease at 102 MHz. Biggs & Lyne 1996, MNRAS, 282, 691. Pulsar search. Vink et al. 1996, A&A, 307, L41. ASCA spectrum. Lagage et al. 1996, A&A, 315, L273. ISO observations. Keohane et al. 1996, ApJ, 466, 309. Radio and X-ray comparison. Hurford & Fesen 1996, ApJ, 469, 246. Optical spectroscopy and reddening studies. Fesen & Gunderson 1996, ApJ, 470, 967. Optical observations of NE `jet'. Allen et al. 1997, ApJ, 487, L97. X-ray spectroscopy. Schwarz et al. 1997, A&AS, 123, 43. WST at 1.4 GHz (30 ) for HI absorption. Reynoso et al. 1997, A&A, 317, 203. VLA at 1.4 GHz (11 â 14 ) for HI absorption. Favata et al. 1997, A&A, 324, L49. X-ray spectroscopy. Dupraz et al. 1997, A&A, 324, 683. -ray line detection. Lorimer et al. 1998, A&A, 331, 1002. Pulsar search.

G112.0 + 1.2
RA: 23h 13m 40s Dec: +61 30 1-GHz flux/Jy: 7? Spectral index: 0.6? Size/arcmin: 30? Type: S?

Radio: Non-thermal source hinted by Bologna survey.
References: Bonsignori-Facondi & Tomasi 1979, A&A, 77, 93. Bologna at 408 MHz (4 .2 â 110 : S = 11 ± 30%). Lorimer et al. 1998, A&A, 331, 1002. Pulsar search.

1998 September


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Detailed listings

G114.3 + 0.3
RA: 23h 34m 45s Dec: +61 38 1-GHz flux/Jy: 6? Spectral index: 0.3? Size/arcmin: 90 â 55 Type: S

Radio: Shell, with HII region S165 within the boundary of the remnant. Distance: Possible association with HI features suggests 3.0­3.8 kpc. Point sources: Pulsar near centre of remnant.
References: Reich & Braunsfurth 1981, A&A, 99, 17. Effelsberg 100-m at 2.7 GHz (4 .4 : S = 3.6) and S(1.4) = 4.4 from 1.4 GHz survey data, plus HI from Maryland-Green Bank survey. Kulkarni et al. 1993, Natur, 362, 135. Pulsar association. ¨ Furst et al. 1993, A&A, 276, 470. Pulsar association. Becker et al. 1996, A&A, 306, 464. ROSAT of pulsar. Fesen et al. 1997, AJ, 113, 767. Optical observations.

G116.5 + 1.1
RA: 23h 51m 20s Dec: +62 58 1-GHz flux/Jy: 11? Spectral index: 0.8? Size/arcmin: 80 â 60 Type: S

Radio: Distinct shell, with high polarization. Distance: Possible association with HI features suggests 3.6­5.2 kpc.
References: Reich & Braunsfurth 1981, A&A, 99, 17. Effelsberg 100-m at 2.7 GHz (4 .4 : S = 4.7 ± 0.4) and S(1.4) = 8.0 ± 0.8 from 1.4 GHz survey data, plus HI from Maryland-Green Bank survey. Fesen et al. 1997, AJ, 113, 767. Optical observations. Lorimer et al. 1998, A&A, 331, 1002. Pulsar search.

G116.9 + 0.2
RA: 23 56 40 Dec: +62 10
h m s

CTB 1
1-GHz flux/Jy: 9? Spectral index: 0.5? Size/arcmin: 34 Type: S

Has been called G117.3+0.1 and G116.9+0.1. Radio: Incomplete shell. Optical: Filaments on sky survey. X-ray: Centrally brightened, with NE `breakout'. Point sources: Pulsar to NE. Distance: Possible association with HI features suggests 2.8­4.0 kpc, mean optical velocity suggests 2.7 kpc.
References: Willis 1973, A&A, 26, 237. NRAO 300-ft at 2.7 GHz (5 : S = 3.9 ± 1.0), and VRO 37-m at 1.7 GHz (S = 5.5 ± 2.0), plus review of flux densities. van den Bergh et al. 1973, ApJS, 26, 19. Optical. Velusamy & Kundu 1974, A&A, 32, 375. NRAO 300-ft at 2.7 GHz (5 : S = 4.2 ± 0.2). Angerhofer et al. 1977, A&A, 55, 11. NRAO 140-ft at 5 GHz (6 .8 : S = 3.0 ± 0.3). Dickel & Willis 1980, A&A, 85, 55. WSRT at 610 MHz (56 â 64 ) and 1.4 GHz (22 â 25 ). Reich & Braunsfurth 1981, A&A, 99, 17. Effelsberg 100-m at 2.7 GHz (4 .4 : S = 4.8 ± 0.4) and S(1.4) = 7.8 ± 0.8 from 1.4 GHz survey data, plus HI from Maryland-Green Bank survey. Lozinskaya 1981, SvAL, 7, 17. Mean optical velocity. Landecker et al. 1982, AJ, 87, 1379. DRAO at 1.42 GHz and HI (2 â 2 .3 : S = 8.3 ± 0.5), plus review of flux densities. Fesen et al. 1985, ApJ, 292, 29. Optical spectra. Hailey & Craig 1994, ApJ, 434, 635. Optical spectroscopy. Hailey & Craig 1995, ApJ, 455, L151. ROSAT of nearby pulsar. Fesen et al. 1997, AJ, 113, 767. Optical observations. Craig et al. 1997, ApJ, 488, 307. ROSAT observations. Lorimer et al. 1998, A&A, 331, 1002. Pulsar search.

G117.4 + 5.0
RA: 23h 52m 30s Dec: +67 30 1-GHz flux/Jy: 30? Spectral index: 0.5? Size/arcmin: 60 â 80? Type: S?

Radio: Non-thermal source hinted by Bologna survey.
References: Bonsignori-Facondi & Tomasi 1979, A&A, 77, 93. Bologna at 408 MHz (4 .2 â 110 : S = 45 ± 30%). Lorimer et al. 1998, A&A, 331, 1002. Pulsar search.

1998 September


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Detailed listings

G119.5 + 10.2
RA: 00 04 00 Dec: +72 30
h m s

CTA 1
1-GHz flux/Jy: 36 Spectral index: 0.6 Size/arcmin: 90? Type: S

Has been called G119.5+10.3. Radio: Incomplete shell, with `breakout' to NW. Optical: Faint diffuse nebulosities. X-ray: Centrally brightened. Point sources: Compact, central X-/-ray source.
References: Sieber et al. 1979, A&A, 74, 361. Effelsberg 100-m at 2.7 GHz (4 .4 : S = 23.6 ± 2.8). Sieber et al. 1981, A&A, 103, 393. Effelsberg 100-m at 2.7 GHz and 1.7 GHz (7 .6 : S = 31.6 ± 2.5), and 6C at 151 MHz (4 : S = 62.6 ± 6). Fesen et al. 1981, ApJ, 247, 148. Optical, including spectra. Fesen et al. 1983, ApJS, 51, 337. Deep [OIII] imagery. Seward 1990, ApJS, 73, 781. IPC observations. Simonetti 1992, ApJ, 386, 170. VLA observations of background sources for rotation measure studies. Pineault et al. 1993, AJ, 105, 1060. DRAO at 1.4 GHz (1 : S = 34 ± 4), plus HI and IRAS. Seward et al. 1995, ApJ, 453, 284. ROSAT observations. Biggs & Lyne 1996, MNRAS, 282, 691. Pulsar search. Slane et al. 1997, ApJ, 485, 221. ROSAT observations. Pineault et al. 1997, A&A, 324, 1152. DRAO at 408 MHz (3 .5) and 1.4 GHz (1 .0). Lorimer et al. 1998, A&A, 331, 1002. Pulsar search. Brazier et al. 1998, MNRAS, 295, 819. Studies of central, compact -ray source.

G120.1 + 1.4
RA: 00 22 30 Dec: +63 52
h m s

Tycho, 3C10, SN1572
1-GHz flux/Jy: 56 Spectral index: 0.61 Size/arcmin: 8 Type: S

This is the remnant of the Tycho's SN of AD1572. Radio: Shell, brightest to the NE. Optical: Faint filaments/knots to the NNW, NE and E. X-ray: Shell, coincident with the radio shell, brighter to the NE. Point sources: Faint radio source near centre of the remnant, thought to be extragalactic. Distance: HI absorption gives 4­5 kpc, optical proper motion and modelled shock velocity gives 2.3 kpc.
References: Duin & Strom 1975, A&A, 39, 33. WSRT at 610 MHz (57 â 64 ) and 5 GHz (7 â 8 ). Klein et al. 1979, A&A, 76, 120. Effelsberg 100-m at 10.7 GHz (1 .2 : S = 13.1 ± 0.8), plus review of flux densities. Strom et al. 1982, MNRAS, 200, 473. WSRT at 1415 MHz (27 â 31 ) from 1971 and 1979, for expansion. Dickel et al. 1982, ApJ, 257, 145. Comparison of Radio, X-ray and Optical. Reid et al. 1982, ApJ, 261, 485. IPC observations. Seward et al. 1983, ApJ, 266, 287. HRI observations. Tan & Gull 1985, MNRAS, 216, 949. 5km at 2.7 GHz (4 ) from 1980 and 1983, and OMT at 1.4 GHz (23 ) from 1965 and 1980, for expansion. Albinson et al. 1986, MNRAS, 219, 427. HI observations. Green & Gull 1987, MNRAS, 224, 1055. VLA HI absorption observations towards central radio source. Smith et al. 1988, ApJ, 325, 288. EXOSAT spectrum and image (smoothed to 13 ). Dickel et al. 1991, AJ, 101, 2151. VLA at 1.4 and 5 GHz (1 .5). Wood et al. 1992, AJ, 103, 1338. VLA at 5 GHz (1 .5) polarization studies. Fink et al. 1994, A&A, 283, 635. X-ray spectra. Vancura et al. 1995, ApJ, 441, 680. X-ray spectra and ROSAT image. Predehl & Schmitt 1995, A&A, 293, 889. ROSAT of dust scattered halo. Schwarz et al. 1995, A&A, 299, 193. WSRT and Effelsberg 100-m at 1.4 GHz (50 ), and VLA at 1.4 GHz (13 ), for neutral hydrogen studies. Biggs & Lyne 1996, MNRAS, 282, 691. Pulsar search. Hwang & Gotthelf 1997, ApJ, 475, 665. ASCA observations. Reynoso et al. 1997, ApJ, 491, 816. VLA at 1.4 GHz (1 .4 â 1 .5) from 1984 and 1994 for expansion studies. Lorimer et al. 1998, A&A, 331, 1002. Pulsar search.

1998 September


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Detailed listings

G126.2 + 1.6
RA: 01h 18m 30s Dec: +64 00 Radio: Poorly defined shell. Optical: Filaments detected.
References: Reich et al. 1979, A&A, 78, L13. Effelsberg 100-m at 1.4 GHz (9 : S = 6.8 ± 0.7) and 2.7 GHz (4 .4 : S = 3.9 ± 0.4). Blair et al. 1980, ApJ, 242, 592. Optical detection and spectra. Rosado 1982, RMxAA, 5, 127. Optical spectra. Fesen et al. 1983, ApJS, 51, 337. Deep [OIII] imagery. ¨ Furst et al. 1984, A&A, 133, 11. Effelsberg 100-m at 2.7 GHz (4 .4) and 4.8 GHz (2 .6). Joncas et al. 1989, A&A, 219, 303. DRAO at 408 MHz (3 .5 â 3 .9 : S = 12 ± 2.5) and part at 1.4 GHz (1 .1 â 1 .0), plus review of flux densities. Xilouris et al. 1993, A&A, 270, 393. Optical imaging. Lorimer et al. 1998, A&A, 331, 1002. Pulsar search.

1-GHz flux/Jy: 7 Spectral index: varies

Size/arcmin: 70 Type: S?

G127.1 + 0.5
RA: 01 25 00 Dec: +62 55
h m s

R5
1-GHz flux/Jy: 13 Spectral index: 0.6 Size/arcmin: 45 Type: S

Has been called G127.3+0.7. Radio: Distinct shell, with bright central source. Point sources: Flat radio spectrum (extragalactic) source at centre of remnant. Optical: Detected. Distance: 1.2­1.3 kpc if associated with NGC559.
References: Caswell 1977, MNRAS, 181, 789. HMT at 1.42 GHz (3 .5 â 3 .9), plus other observations of central source. Salter et al. 1978, A&A, 66, 77. Effelsberg 100-m at 2.7 GHz (4 .4), plus 5 and 8.7 GHz of the central source. Pauls 1977, A&A, 59, L13. Effelsberg 100-m at 1.4 GHz (9 : S = 8 ± 1). Reich et al. 1979, A&A, 78, L13. Effelsberg 100-m at 1.4 GHz (9 : S = 10.8 ± 1.3). Pauls et al. 1982, A&A, 112, 120. WSRT at 610 MHz (56 â 62 ) and HI absorption to the point source with the VLA. Geldzahler & Shaffer 1982, ApJ, 260, L69. Observations of central source. ¨ Furst et al. 1984, A&A, 133, 11. Effelsberg 100-m at 2.7 GHz (4 .4) and 4.8 GHz (2 .6). Goss & van Gorkom 1984, JApA, 5, 425. WSRT HI absorption of central source. Joncas et al. 1989, A&A, 219, 303. DRAO at 408 MHz (3 .5 â 3 .9 : S = 17.9 ± 2.0) and 1.4 GHz (1 .13 â 1 .0 : S = 10.1 ± 0.8), plus review of flux densities. Xilouris et al. 1993, A&A, 270, 393. Optical imaging. Lorimer et al. 1998, A&A, 331, 1002. Pulsar search.

1998 September


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Detailed listings

G130.7 + 3.1
RA: 02 01 55 Dec: +64 35
h m s

3C58, SN1181
1-GHz flux/Jy: 33 Spectral index: 0.10 Size/arcmin: 9 â 5 Type: F

This is the remnant of the SN of AD1181. Radio: Filled-centre, highly polarized, with high frequency turnover. Optical: Faint filaments. X-ray: Centrally brightened with power-law spectrum. Point sources: Compact source in X-rays. Distance: HI absorption indicates 3.2 kpc.
References: Green et al. 1975, A&A, 44, 187. Effelsberg 100-m at 15.0 GHz (58 : S = 26.7 ± 0.5). Wilson & Weiler 1976, A&A, 49, 357. WSRT at 610 MHz (58 â 64 ), 1.4 GHz (24 â 27 ) and 5 GHz (7 â 8 ). van den Bergh 1978, ApJ, 220, L9. Optical observations. Becker et al. 1982, ApJ, 255, 557. X-ray observations. Green & Gull 1982, Natur, 299, 606. HI absorption distance. Fesen 1983, ApJ, 270, L53. Optical spectra. Reynolds & Aller 1985, AJ, 90, 2312. VLA at 1.4 GHz (2 ), for limits of shell. Davelaar et al. 1986, ApJ, 300, L59. EXOSAT spectrum. Green 1986, MNRAS, 218, 533. CLFST at 151 MHz (1 .2 â 1 .3 : S = 36 ± 4), 5km at 2.7 GHz (4 ), plus IPC observations for limit on shell. Green 1987, MNRAS, 225, 11P. Flux density increase at 408 MHz. Morsi & Reich 1987, A&AS, 69, 533. Effelsberg 100-m at 32 GHz (26 .5 : S = 24.2 ± 1.4). Reynolds & Aller 1988, ApJ, 327, 845. VLA at 1.4 (2 .4) and 4.9 GHz (2 .5). Salter et al. 1989, ApJ, 338, 171. NRAO 12-m at 84.2 GHz (90 : S = 15.0 ± 2.0), plus review of flux densities. Asaoka & Koyama 1990, PASJ, 42, 625. Ginga X-ray spectrum. Green & Scheuer 1992, MNRAS, 258, 833. IRAS upper limits. Roberts et al. 1993, A&A, 274, 427. HI absorption. Wallace et al. 1994, A&A, 286, 565. HI of surroundings. Helfand et al. 1995, ApJ, 453, 741. ROSAT observations. Biggs & Lyne 1996, MNRAS, 282, 691. Pulsar search. Lorimer et al. 1998, A&A, 331, 1002. Pulsar search.

G132.7 + 1.3
RA: 02 14 00 Dec: +62 30
h m s

HB3
1-GHz flux/Jy: 45 Spectral index: 0.6 Size/arcmin: 80 Type: S

Has been called G132.4+2.2. Radio: Faint shell, adjacent to W3/4/5 complex. Optical: Complete, filamentary shell, shock excited spectra. X-ray: Partial shell. Point sources: Pulsar nearby. Distance: Interaction with surroundings suggests 2.2 kpc.
References: van den Bergh et al. 1973, ApJS, 26, 19. Optical. Velusamy & Kundu 1974, A&A, 32, 375. NRAO 300-ft at 2.7 GHz (5 : S = 33.8 ± 7.0). d'Odorico & Sabbadin 1977, A&AS, 28, 439. Optical spectra. Read 1981, MNRAS, 194, 863. 6C at 151 MHz (4 .4) and HMT at 1.4 GHz (2 ) showing HI shell. Lozinskaya 1981, SvAL, 7, 17. Mean optical velocity. Fesen & Gull 1983, PASP, 95, 196. Optical image. Leahy et al. 1985, ApJ, 294, 183. IPC observations. Landecker et al. 1987, AJ, 94, 111. DRAO at 408 MHz (3 .5 â 4 : S = 75 ± 15), plus review of flux densities. Routledge et al. 1991, A&A, 247, 529. DRAO at 1.4 GHz (1 .0 â 1 .1) for HI, plus CO observations. Fesen et al. 1995, AJ, 110, 2876. Optical imaging and spectroscopy, DRAO at 408 MHz (3 .5 â 4 ) and 1.4 GHz (1 .0 â 1 .1). Lorimer et al. 1998, A&A, 331, 1002. Pulsar search.

G152.2 - 1.2
RA: 04h 05m 30s Dec: +48 24 1-GHz flux/Jy: 16? Spectral index: 0.7? Size/arcmin: 110? Type: S?

Radio: Non-thermal source hinted by Bologna survey.
References: Bonsignori-Facondi & Tomasi 1979, A&A, 77, 93. Bologna at 408 MHz (4 .2 â 110 : S = 30 ± 30%). Lorimer et al. 1998, A&A, 331, 1002. Pulsar search.

1998 September


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Detailed listings

G156.2 + 5.7
RA: 04h 54m 40s Dec: +51 47 Radio: Faint shell. X-ray: Faint shell.
References: Pfeffermann et al. 1991, A&A, 246, L28. ROSAT detection. Reich et al. 1992, A&A, 256, 214. Effelsberg 100-m at 1.4 (9 : S = 4.2 ± 1.0) and 2.7 GHz (4 .3 : S = 3.0 ± 1.0), plus HI and IRAS. Yamauchi et al. 1993, PASJ, 45, 795. Hard X-ray observations. Lorimer et al. 1998, A&A, 331, 1002. Pulsar search.

1-GHz flux/Jy: 5 Spectral index: 0.5

Size/arcmin: 110 Type: S

G160.9 + 2.6
RA: 04 57 00 Dec: +46 36
h m s

HB9
1-GHz flux/Jy: 110 Spectral index: 0.6 Size/arcmin: 140 â 120 Type: S

Has been called G160.5+2.8 and G160.4+2.8. Radio: Large, filamentary shell. Optical: Incomplete shell. X-ray: Centrally brightened. Point sources: Pulsar within boundary of the remnant, plus several nearby compact radio sources. Distance: Various observations suggests less than 4 kpc.
References: d'Odorico & Sabbadin 1977, A&AS, 28, 439. Optical spectra. Damashek et al. 1978, ApJ, 225, L31. Pulsar. Lozinskaya 1981, SvAL, 7, 17. Mean optical velocity. Dwarakanath et al. 1982, JApA, 3, 207. Radio observations at 34.5 MHz (26 â 40 : S = 750 ± 150), plus review of flux densities. van Gorkom et al. 1982, MNRAS, 198, 757. WSRT HI absorption to nearby point source. Seaquist & Gilmore 1982, AJ, 87, 378. VLA observations of nearby source. Leahy 1988, ApJ, 322, 917. IPC observations. Leahy & Roger, 1991, AJ, 101, 1033. DRAO at 408 MHz (3 .5 â 4 .8) and 1.4 GHz (1 .0 â 1 .4), including HI and discussion of distance. Yamauchi & Koyama 1993, PASJ, 45, 545. Hard X-ray observations. Leahy & Aschenbach 1995, A&A, 293, 853. ROSAT observations. Biggs & Lyne 1996, MNRAS, 282, 691. Pulsar search.

G166.0 + 4.3
RA: 05 23 00 Dec: +42 52
h m s

VRO 42.05.01
1-GHz flux/Jy: 7? Spectral index: 0.4? Size/arcmin: 55 â 35 Type: S

Radio: Two arcs of strikingly different radii. Optical: Nearly complete ring. X-ray: Predominantly in SW. Distance: HI indicates 4.5 kpc.
References: van den Bergh et al. 1973, ApJS, 26, 19. Optical. Willis 1973, A&A, 26, 237. NRAO 300-ft at 2.7 GHz (5 : S = 5.2 ± 1.0). Lozinskaya 1979, AuJPh, 32, 113. H interferometry. Landecker et al. 1982, ApJ, 261, L41. DRAO at 1.4 GHz (1 .0 â 1 .4), plus Fesen et al. 1983, ApJS, 51, 337. Deep [OIII] imagery. Pineault et al. 1985, A&A, 151, 52. VLA at 1.4 GHz (16 â 20 ) of part of Pineault et al. 1987, ApJ, 315, 580. DRAO and VLA combined at 1.4 GHz Fesen et al. 1985, ApJ, 292, 29. Optical spectra. Braun & Strom 1986, A&AS, 63, 345. WSRT HI Observations. Landecker et al. 1989, MNRAS, 237, 277. DRAO at 1.4 GHz (1 .0 â 1 .4), Burrows & Guo 1994, ApJ, 421, L19. ROSAT images and spectra. Biggs & Lyne 1996, MNRAS, 282, 691. Pulsar search. Guo & Burrows 1997, ApJ, 480, L51. ASCA observations. Lorimer et al. 1998, A&A, 331, 1002. Pulsar search.

review of flux densities. remnant, and optical. (20 ). including HI.

1998 September


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Detailed listings

G166.2 + 2.5
RA: 05 15 30 Dec: +41 50
h m s

OA 184
1-GHz flux/Jy: 11 Spectral index: 0.5 Size/arcmin: 90 â 70 Type: S

Radio: Large, faint shell. Optical: Nearly complete ring. Distance: HI indicates 8 ± 2 kpc.
References: Willis 1973, A&A, 26, 237. NRAO 300-ft at 2.7 GHz (5 : S = 6.0 ± 2.2). Dickel & DeNoyer 1975, AJ, 80, 437. Arecibo 111 MHz. Lozinskaya 1981, SvAL, 7, 17. Mean optical velocity. Fesen et al. 1985, ApJ, 292, 29. Optical spectra. Routledge et al. 1986, MNRAS, 221, 809. DRAO at 1.4 GHz (1 â 1 .4 : S = 9.0 ± 0.5) including HI, plus review of flux densities. Kim et al. 1988, AJ, 96, 704. VLA of background sources for magnetic field structure of the remnant. Leahy & Marshall 1988, MNRAS, 235, 805. IRAS observations. Lorimer et al. 1998, A&A, 331, 1002. Pulsar search.

G179.0 + 2.6
RA: 05h 50m 30s Dec: +31 05 1-GHz flux/Jy: 7 Spectral index: 0.4 Size/arcmin: 70 Type: S?

Radio: Thick shell, with background extragalactic sources near centre.
References: ¨ Furst & Reich 1986, A&A, 154, 303. Effelsberg 100-m at 1.4 (9 .4), 2.7 (4 .3) and 4.75 GHz (2 .4). ¨ Furst et al. 1989, A&A, 223, 66. Observations of central, extragalactic source. Lorimer et al. 1998, A&A, 331, 1002. Pulsar search.

G180.0 - 1.7
RA: 05 36 00 Dec: +27 50
h m s

S147
1-GHz flux/Jy: 65 Spectral index: varies Size/arcmin: 180 Type: S

Radio: Large faint shell, with spectral break. Optical: Wispy ring. X-ray: Possible detection. Point sources: Pulsar within boundary.
References: van den Bergh et al. 1973, ApJS, 26, 19. Optical. Sofue et al. 1980, PASJ, 32, 1. Effelsberg 100-m at 5 GHz (2 .6) of parts. Kundu et al. 1980, A&A, 92, 225. Effelsberg 100-m at 2.7 GHz (5 .5 : S = 34.9 ± 4) and 1.6 GHz (10 : S = 60.2 ± 6). Angerhofer & Kundu 1981, AJ, 86, 1003. Arecibo at 430 MHz (9 : S = 97 ± 20). ¨ Furst et al. 1982, A&A, 115, 428. Observations of compact radio sources near the remnant. Fesen et al. 1985, ApJ, 292, 29. Optical spectra. ¨ Furst & Reich 1986, A&A, 163, 186. Effelsberg 100-m at 1.4, 2.7 and 4.7/5.0 GHz (9 .4, 4 .3 and 2 .4/2 .6). Sauvageot et al. 1990, A&A, 227, 183. EXOSAT possible detection. Biggs & Lyne 1996, MNRAS, 282, 691. Pulsar search. Anderson et al. 1996, ApJ, 468, L55. Pulsar detection.

G182.4 + 4.3
RA: 06h 05m 00s Dec: +29 00 Radio: Incomplete shell.
References: Kothes et al. 1998, A&A, 331, 661. Effelsberg 100-m at 1.4, 2.7, 4.9 and 10.5 GHz (9 .4 : S = 0.36 ± 0.08, 4 .4 : S = 0.25 ± 0.04, 2 .5 : S = 0.20 ± 0.02 and 1 .2 : S = 0.15 ± 0.03), plus X-ray upper limit.

1-GHz flux/Jy: 1.2 Spectral index: 0.4

Size/arcmin: 50 Type: S

1998 September


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Detailed listings

G184.6 - 5.8
RA: 05 31 30 Dec: +21 59
h m s

Crab Nebula, 3C144, SN1054
1-GHz flux/Jy: 1040 Spectral index: 0.30 Size/arcmin: 7 â 5 Type: F

This is the remnant of the SN of AD1054. Radio: Filled-centre, central pulsar, with faint `jet' (or tube) extending from the N edge. Optical: Strongly polarized filaments, diffuse synchrotron emission, with `jet' faintly visible. X-ray: Centrally brightened around the pulsar. Point sources: Pulsar powering the remnant. Distance: Proper motions and radial velocities give 2 kpc.
References: Trimble & Woltjer 1971, ApJ, 163, L97. Optical expansion for distance. Green et al. 1975, A&A, 44, 187. Effelsberg 100-m at 15.0 GHz (58 : S = 499.3 ± 1.0). Clark et al. 1983, MNRAS, 204, 415. 3-D optical structure. Velusamy 1984, Natur, 308, 251. VLA at 1.4 GHz, radio detection of `jet'. Harnden & Seward 1984, ApJ, 283, 279. X-ray observations. Velusamy 1985, MNRAS, 212, 359. VLA at 1.4 GHz (15 ). Aller & Reynolds 1985, ApJ, 293, L73. Flux density decrease. Mezger et al. 1986, A&A, 167, 145. 249-GHz map (120 ). Fesen & Gull 1986, ApJ, 306, 259. Deep [OIII] imagery of `jet'. Morsi & Reich 1987, A&AS, 69, 533. Effelsberg 100-m at 32 GHz (26 .5 : S < 417). Romani et al. 1990, ApJ, 349, L51. HI and IR of surroundings. Marcelin et al. 1990, A&A, 228, 471. Optical of `jet'. Fesen & Blair 1990, ApJ, 351, L45. Optical identification of dust in filaments. Hester et al. 1990, ApJ, 357, 539. Optical and IR images. Graham et al. 1990, ApJ, 352, 172. IR spectroscopy and imaging. Hickson & van den Bergh 1990, ApJ, 365, 224. Optical polarization. Bietenholz & Kronberg 1990, ApJ, 357, L13. VLA at 1.4 GHz (1 .8). MacAlpine & Uomoto 1991, AJ, 102, 218. Photometry. Michel et al. 1991, ApJ, 368, 463. Optical photometry. Bietenholz et al. 1991, ApJ, 373, L59. VLA at multiple epochs for expansion studies. ´ Veron-Cetty & Woltjer 1991, A&A, 251, L31. Limits on optical variations. Hennessy et al. 1992, ApJ, 395, L13. UV imagery. Fesen et al. 1992, ApJ, 399, 599. Optical studies of `dark bays'. Blair et al. 1992, ApJ, 399, 611. Far UV observations. Bietenholz & Kronberg 1992, ApJ, 393, 206. VLA at 1.5 and 5 GHz (1 .8) and 1.5 and 14 GHz (6 .5) for spectral studies. Strom & Greidanus 1992, Natur, 358, 654. IRAS observations. Fesen & Staker 1993, MNRAS, 263, 69. [OIII] imaging of `jet', and proper motion studies. Kassim et al. 1993, AJ, 106, 2218. VLA at 74 MHz (20 ). ´ Veron-Cetty & Woltjer 1993, A&A, 270, 370. Continuum and [OIII] photometry. Nolan et al. 1993, ApJ, 409, 697. -ray observations. Strong et al. 1993, A&AS, 97, 133. -ray observations Murdin 1994, MNRAS, 269, 89. Deep H plates and spectroscopy of halo. Wallace et al. 1994, A&A, 286, 565. HI of surroundings. MacAlpine et al. 1994, ApJ, 432, L131. Prominent optical knots. Rudy et al. 1994, ApJ, 426, 646. IR spectroscopy. Tanimori et al. 1994, ApJ, 429, L61. -rays from pulsar. Predehl & Schmitt 1995, A&A, 293, 889. ROSAT of dust scattered halo. Lawrence et al. 1995, AJ, 109, 2635. Optical imaging spectroscopy. Frail et al. 1995, ApJ, 454, L129. VLA at 333 MHz (20 ) for limits on shell. MacAlpine et al. 1996, ApJ, 463, 650. Optical spectroscopy of N and S rich filaments. Nasuti et al. 1996, A&A, 314, 849. Spectrophotometry of pulsar. Bietenholz et al. 1997, ApJ, 490, 291. Comparison of VLA observations at 74 MHz, 327 MHz, 1.5 GHz and 5 GHz for spectral index studies. Blair et al. 1997, ApJS, 109, 473. HST imaging. van der Meulen et al. 1998, A&A, 330, 321. -ray observations. Tanimori et al. 1998, ApJ, 492, L33. -ray observations. Nugent 1998, PASP, 110, 831. Optical expansion.

1998 September


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Detailed listings

G189.1 + 3.0
RA: 06 14 00 Dec: +22 36
h m s

IC443, 3C157
1-GHz flux/Jy: 160 Spectral index: 0.36 Size/arcmin: 45 Type: S

Radio: Limb-brightened to NE, with faint extension to the E. Optical: Brightest to the NE, with faint filaments outside the NE boundary. X-ray: Shell, brightest to the NE. Distance: Mean optical velocity suggests 0.7­1.5 kpc, association with S249 gives 1.5­2 kpc.
References: Duin & van der Laan 1975, A&A, 40, 111. WSRT at 610 MHz (1 â 2 .5), 1415 MHz (24 â 63 ), and part at 5 GHz (12 â 31 ). Lozinskaya 1981, SvAL, 7, 17. Mean optical velocity. Fesen 1984, ApJ, 281, 658. Optical of filament to far NE. Erickson & Mahoney 1985, ApJ, 290, 596. TPT at 4 frequencies between 31 and 74 MHz (13 â 11 to 5 .4 â 4 .7), plus review of flux densities. Braun & Strom 1986, A&A, 164, 193. WSRT at 327 MHz (72 â 185 ) and 1.4 GHz (17 â 43 ), plus HI and IRAS. Green 1986, MNRAS, 221, 473. CLFST at 151 MHz (1 .2 â 3 .1) and HMT at 1.4 GHz (2 .1 â 5 .4). Mufson et al. 1986, AJ, 92, 1349. Radio, IR, optical, UV and X-ray comparison, including VLA at 1.6 GHz (3 .8 â 3 .3 and 40 ). White et al. 1987, A&A, 173, 337. Observations of shocked molecular species. Graham et al. 1987, ApJ, 313, 847. IR spectroscopy. Burton et al. 1988, MNRAS, 231, 617. Molecular hydrogen imaging of shocked material. Brown et al. 1988, ApJ, 334, 852. [FeX] optical imaging. Dickel et al. 1989, AJ, 98, 1363. VLA at 1.4 GHz (1 .1 â 1 .2) of NE. Petre et al. 1988, ApJ, 335, 215. IPC, HRI and other X-ray observations. Ziurys et al. 1989, ApJ, 341, 857. Observations of shocked molecular species. Burton et al. 1990, ApJ, 355, 197. IR observations of shocked O2 . Sauvageot et al. 1990, A&A, 232, 203. [FeX] and [FeXIV] imaging. Moorhouse et al. 1991, MNRAS, 253, 662. Observations of shocked molecular H2 . Wood et al. 1991, AJ, 102, 224. VLA at 5 GHz (3 .6 â 3 .8) of northeast, including polarization. Teske 1991, ApJ, 383, 233. [FeX] and [FeXIV] imaging. Wang & Scoville 1992, ApJ, 386, 158. Observations of shocked molecular species. Wang et al. 1992, PASJ, 44, 303. Ginga X-ray observations. Turner et al. 1992, ApJ, 399, 114. Observations of shocked molecular species. Dickman et al. 1992, ApJ, 400, 203. Observations of shocked molecular species. Inoue et al. 1993, PASJ, 45, 539. Observations of shocked molecular H2 . van Dishoeck et al. 1993, A&A, 279, 541. Observations of shocked molecular species. Asaoka & Aschenbach 1994, A&A, 284, 573. X-ray, including possible overlapping remnant. White 1994, A&A, 283, L25. Observations of shocked molecular species. Tauber et al. 1994, ApJ, 421, 570. Observations of shocked molecular species. Richter et al. 1995, ApJ, 454, 277. Observations of shocked molecular H2 . Esposito et al. 1996, ApJ, 461, 820. Associated -ray emission. Frail et al. 1996, AJ, 111, 1651. OH maser emission. Keohane et al. 1997, ApJ, 484, 350. ASCA observations. Caussen et al. 1997, ApJ, 489, 143. VLA of associated OH masers.

G192.8 - 1.1
RA: 06 06 30 Dec: +17 20
h m s

PKS 0607+17
1-GHz flux/Jy: 20? Spectral index: 0.6? Size/arcmin: 78 Type: S

Has been called G193.3-1.5. Has been regarded as part of the Origem Loop, a supposed larger remnant. Radio: In complex region. Optical: Encompasses S261 and S254­258.
References: Milne & Dickel 1974, AuJPh, 27, 549. Parkes 64-m at 2.7 GHz (9 : S = 13 ± 15%). Dickel & DeNoyer 1975, AJ, 80, 437. Arecibo at 318 MHz (15 : S = 74 ± 32), and S(610) = 40. Caswell 1985, AJ, 90, 1076. DRAO at 1.4 GHz (1 â 3 .3 : S = 18 ± 3). Biggs & Lyne 1996, MNRAS, 282, 691. Pulsar search.

1998 September


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Detailed listings

G205.5 + 0.5
RA: 06 36 00 Dec: +06 30
h m s

Monoceros Nebula
1-GHz flux/Jy: 160 Spectral index: 0.5 Size/arcmin: 220 Type: S

Radio: In complex region, parts may be HII regions. Optical: Large ring, near Rosette nebula. X-ray: Possibly detected. Distance: Mean optical velocity suggests 0.8 kpc, low frequency radio absorption suggests 1.6 kpc.
References: Milne & Dickel 1974, AuJPh, 27, 549. Parkes 64-m at 2.7 GHz (9 ). Velusamy & Kundu 1974, A&A, 32, 375. NRAO 300-ft at 2.7 GHz (5 ), part only. Dickel & DeNoyer 1975, AJ, 80, 437. Arecibo at 111 MHz (1 : S = 462 ± 180) and S(610) = 245. Davies et al. 1978, A&AS, 31, 271. Deep optical plates. Lozinskaya 1981, SvAL, 7, 17. Mean optical velocity. Graham et al. 1982, A&A, 109, 145. Effelsberg 100-m at 2.7 GHz (4 .4 : S = 97.6 ± 12.5), plus review of flux densities. Fesen et al. 1985, ApJ, 292, 29. Optical spectra. Leahy et al. 1986, MNRAS, 220, 501. IPC observations. Odegard 1986, ApJ, 301, 813. TPT at 20.6, 25.6 and 30.9 MHz (24 , 19 and 16 ). Esposito et al. 1996, ApJ, 461, 820. Possible associated -ray emission. Biggs & Lyne 1996, MNRAS, 282, 691. Pulsar search. Oliver et al. 1996, A&A, 315, 578. CO observations of some of surroundings. Jaffe et al. 1997, ApJ, 484, L129. -ray detection.

G206.9 + 2.3
RA: 06 46 00 Dec: +06 30
h m s

PKS 0646+06
1-GHz flux/Jy: 6 Spectral index: 0.5 Size/arcmin: 60 â 40 Type: S?

Radio: Diffuse source near the Monoceros Nebula. Optical: Filaments detected. X-ray: Possibly detected.
References: Davies & Meaburn 1978, A&A, 69, 443. Optical. Nousek et al. 1981, ApJ, 248, 152. HEAO-1 X-ray limit. Graham et al. 1982, A&A, 109, 145. Effelsberg 100-m at 2.7 GHz (4 .4 : S = 4.1 ± 0.6), plus review of flux densities. Rosado 1982, RMxAA, 5, 127. Optical. Fesen et al. 1985, ApJ, 292, 29. Optical spectra. Leahy et al. 1986, MNRAS, 220, 501. IPC observations. Odegard 1986, ApJ, 301, 813. TPT at 20.6, 25.6 and 30.9 MHz (24 , 19 and 16 ). Biggs & Lyne 1996, MNRAS, 282, 691. Pulsar search.

G211.7 - 1.1
RA: 06h 43m 10s Dec: +00 24 1-GHz flux/Jy: 15? Spectral index: 0.5? Size/arcmin: 70? Type: S?

Radio: Non-thermal source hinted by Bologna survey. Optical: Coincides with S284, filamentary ring with brighter central area.
References: Bonsignori-Facondi & Tomasi 1979, A&A, 77, 93. Bologna at 408 MHz (4 .2 â 110 : S = 23 ± 20%).

1998 September


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Detailed listings

G260.4 - 3.4
RA: 08 20 30 Dec: -42 50
h m s

Puppis A, MSH 08-44
1-GHz flux/Jy: 130 Spectral index: 0.5 Size/arcmin: 60 â 50 Type: S

Radio: Angular shell, brightest to the E, poorly defined to the W. Optical: Nebulosity and wisps. X-ray: Brightest to the E. Point sources: Central compact X-ray source. Distance: Association with HI gives 2.2 ± 0.3 kpc.
References: Green 1971, AuJPh, 24, 773. Molonglo at 408 MHz (3 : S = 198 ± 20). Goudis & Meaburn 1978, A&A, 62, 283. H+NII] optical image. Winkler et al. 1981, ApJ, 245, 574. X-ray spectroscopy of O lines. Winkler et al. 1981, ApJ, 245, L27. X-ray spectrum. Petre et al. 1982, ApJ, 258, 22. HRI observations. Milne et al. 1983, MNRAS, 204, 237. FIRST at 1415 MHz (50 ), large scale emission missing. Teske & Petre 1987, ApJ, 318, 370. Coronal optical line emission. Dubner & Arnal 1988, A&AS, 75, 363. HI and CO observations of surroundings. Arendt et al. 1990, ApJ, 350, 266. MOST at 843 MHz (44 â 65 ), with large scale emission added, plus IR, optical and X-ray observations. Dubner et al. 1991, AJ, 101, 1466. VLA at 327 MHz (43 â 73 ) and 1.5 GHz (43 â 77 ). Arendt et al. 1991, ApJ, 368, 474. IR observations. Milne et al. 1993, MNRAS, 261, 366. Parkes 64-m at 4.75 (4 .5 : S = 59 ± 5) and 8.4 GHz (3 : S = 38 ± 4), plus polarization. Berthiaume et al. 1994, ApJ, 425, 132. X-ray spectroscopy. Sutherland & Dopita 1995, ApJ, 439, 365. Spectrophotometry. Reynoso et al. 1995, AJ, 110, 318. VLA at 1.4 GHz (90 ) including neutral hydrogen. Blair et al. 1995, ApJ, 454, L35. Far UV spectroscopy. Petre et al. 1996, ApJ, 465, L43. ROSAT of central source.

G261.9 + 5.5
RA: 09h 02m 20s Dec: -38 30 1-GHz flux/Jy: 10? Spectral index: 0.4? Size/arcmin: 40 â 30 Type: S

Radio: Faint shell with little limb brightening.
References: Hill 1967, AuJPh, 20, 297. Parkes 64-m at 2650 MHz (7 .5 : S = 7) also S(1410) = 8, S(81.5) = 25. Colomb & Dubner 1980, A&A, 82, 244. Argentine 30-m dish at 1.4 GHz, for HI possibly associated with remnant. Kesteven & Caswell 1987, A&A, 183, 118. MOST at 843 MHz (44 â 71 ). Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

1998 September


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Detailed listings

G263.9 - 3.3
RA: 08 32 30 Dec: -45 35
h m s

Vela (XYZ)
1-GHz flux/Jy: 1750 Spectral index: varies Size/arcmin: 255 Type: C

This refers to the whole Vela XYZ complex, of which X has at times been classified as a separate (filled-centre) remnant. Radio: Large shell, with flatter spectrum component (Vela X). Optical: Filaments. X-ray: Patchy shell, with extensions, central nebula and pulsar. Point sources: Pulsar within Vela X, with one-sided `jet'. Distance: Vela pulsar implies 0.5 kpc.
References: Milne 1968, AuJPh, 21, 201. Parkes 64-m at various frequencies, including 408 MHz (48 : S = 2300 ± 300), 635 MHz (31 : S = 2360 ± 300), 1410 MHz (14 : S = 1640 ± 300) and 2650 MHz (7 .5 : S = 1400 ± 250), plus discussion of the distance. van den Bergh et al. 1973, ApJS, 26, 19. Optical. Dopita et al. 1977, ApJ, 214, 179. Optical spectroscopy. Hearn et al. 1980, ApJ, 235, L67. X-ray map. Milne 1980, A&A, 81, 293. Maps of Vela X with Parkes 64-m at 1.66, 2.7 and 5 GHz (12 , 8 .4 and 4 .4). Weiler & Panagia 1980, A&A, 90, 269. Clarify notation of this region and review previous observations. Kahn et al. 1985, ApJ, 299, 821. IPC observations. Harnden et al. 1985, ApJ, 299, 828. IPC and HRI observations of Vela X and pulsar. Bignami & Caraveo 1988, ApJ, 325, L5. Pulsar proper motion from optical observations. Dwarakanath 1991, JApA, 12, 199. Gauribidanur `T' array at 34.5 MHz (26 â 84 : S = 1800 for Vela X and S = 3900 for Vela YZ), plus review of flux densities. Bietenholz et al. 1991, ApJ, 376, L41. VLA at 5 GHz in vicinity of pulsar. Raymond et al. 1991, ApJ, 383, 226. UV spectroscopy. Willmore et al. 1992, MNRAS, 254, 139. Hard X-ray observations. Dubner et al. 1992, A&AS, 96, 505. Argentine 30-m at 1.4 GHz (30 ) of surrounding HI. Oberlack et al. 1994, ApJS, 92, 433. -ray observations. Bocchino et al. 1994, ApJ, 437, 209. ROSAT observations of NE. Aschenbach et al. 1995, Natur, 373, 587. ROSAT of X-ray extensions. Strom et al. 1995, Natur, 373, 590. Radio of X-ray extensions. ¨ Markwardt & Ogelman 1995, Natur, 375, 40. X-ray jet from pulsar. Jenkins & Wallerstein 1995, ApJ, 440, 227. Optical absorption of associated neutral carbon cloud. Milne 1995, MNRAS, 277, 1435. Parkes 64-m at 8.4 GHz (3 ), inlcuding polarization, of Vela X. Duncan et al. 1996, MNRAS, 280, 252. Parkes 64-m at 2.4 GHz (8 .9). Danks & Sembach 1995, AJ, 109, 2627. Optical spectroscopy of background stars. de Jager et al. 1996, ApJ, 460, 729. -ray detection. Blair et al. 1995, AJ, 110, 312. UV spectroscopy. Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 62 ) of part. Green et al. 1997, AJ, 114, 2058. Parkes 64-m and ATCA OH observations. Frail et al. 1997, ApJ, 475, 224. VLA at 330 MHz (1 â 1 .8) and comparison with ROSAT observations of Vela X. ¨ Markwardt & Ogelman 1997, ApJ, 480, L13. ASCA observations of pulsar `jet'. Raymond et al. 1997, ApJ, 482, 881. UV spectroscopy. Yoshikoshi et al. 1997, ApJ, 487, L65. -ray observations of pulsar. Winkler & Long 1997, ApJ, 491, 829. ROSAT and optical observations. Jenkins et al. 1998, ApJ, 492, L147. UV absorption to background star.

G272.2 - 3.2
RA: 09h 05m 15s Dec: -51 50 Radio: Diffuse shell. X-ray: Centrally brightened. Optical: Detected.
References: Greiner et al. 1994, A&A, 286, L35. ROSAT observations, plus optical. Duncan et al. 1997, MNRAS, 289, 97. Parkes 64-m at 1.4 GHz (18 : S = 0.38 ± 0.09) 2.4 GHz (10 .6 : S = 0.25 ± 0.04) and 4.8 GHz (5 .7 : S = 0.17 ± 0.02), MOST at 843 MHz (45 â 70 : S = 0.45 ± 0.10), and ATCA at 2.4 GHz (37 â 52 ), plus ROSAT observations.

1-GHz flux/Jy: 0.4 Spectral index: 0.6

Size/arcmin: 15? Type: S?

1998 September


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Detailed listings

G279.0 + 1.1
RA: 09h 56m 00s Dec: -53 00 Radio: Faint, incomplete shell. Point sources: Pulsar nearby.
References: Woermann & Jonas 1988, MNRAS, 234, 971. Hartesbeesthoek 26-m at 1.6 (30 : S = 25.2 ± 4) and 2.3 GHz (20 : S = 20.7 ± 3). Duncan et al. 1995, MNRAS, 277, 319. Parkes 64-m at 1.4 (18 : S = 28 ± 3) and 2.4 GHz (11 : S = 20 ± 2), including polarization. Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 53 ) of part. Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

1-GHz flux/Jy: 30? Spectral index: 0.6?

Size/arcmin: 95 Type: S

G284.3 - 1.8
RA: 10 16 30 Dec: -58 45
h m s

MSH 10-53
1-GHz flux/Jy: 11? Spectral index: 0.3? Size/arcmin: 24? Type: S

Has been called G284.2-1.8. Radio: Incomplete, poorly defined shell.
References: Ruiz & May 1986, ApJ, 309, 667. CO and optical observations. Milne et al. 1989, PASAu, 8, 187. MOST at 843 MHz (43 â 50 ) and Parkes 64-m at 8.4 GHz (3 : S = 5.4 ± 0.8) including polarization, plus earlier flux densities. Green et al. 1997, AJ, 114, 2058. Parkes 64-m and ATCA OH observations.

G286.5 - 1.2
RA: 10h 33m 50s Dec: -59 26 Radio: Double, elongated arc.
References: Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 50 : S = 1.6). Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

1-GHz flux/Jy: 1.4? Spectral index: ?

Size/arcmin: 26 â 6 Type: S?

G289.7 - 0.3
RA: 10h 59m 10s Dec: -60 02 1-GHz flux/Jy: 6.2 Spectral index: 0.2? Size/arcmin: 18 â 14 Type: S

Radio: Incomplete shell. Point sources: Compact radio source near centre.
References: Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 50 : S = 6.4 ± 0.5), plus Parkes 64-m at 4.5 GHz (S = 7.5 ± 2.5) and 8.55 GHz (S = 3.6 ± 0.9).

1998 September


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Detailed listings

G290.1 - 0.8
RA: 11 01 00 Dec: -60 40
h m s

MSH 11-61A
1-GHz flux/Jy: 42 Spectral index: 0.4 Size/arcmin: 19 â 14 Type: S

Radio: Elongated, clumpy shell. Optical: Filaments detected. X-ray: Detected. Point sources: Pulsar nearby.
References: Shaver & Goss 1970, AuJPA, 14, 133. Molonglo at 408 MHz (3 ) and Parkes 64-m at 5 GHz (4 ). Milne & Dickel 1975, AuJPh, 28, 209. Parkes 64-m at 5 GHz (4 .4 : S = 20.2). Elliot & Malin 1979, MNRAS, 186, 45P. Optical image and spectra. Kirshner & Winkler 1979, ApJ, 227, 853. Optical. Kesteven & Caswell 1987, A&A, 183, 118. MOST at 843 MHz (44 â 50 ). Milne et al. 1989, PASAu, 8, 187. MOST at 843 MHz (43 â 49 : S = 45 ± 11), and Parkes 64-m at 8.4 GHz (3 : S = 19.5 ± 1.0), including polarization. Seward 1990, ApJS, 73, 781. IPC observations. Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 49 : S = 43). Rosado et al. 1996, A&A, 315, 243. Optical kinematics. Kaspi et al. 1997, ApJ, 485, 820. Pulsar detection. Gotthelf & Kaspi 1998, ApJ, 497, L29. ASCA observations of pulsar.

G291.0 - 0.1
RA: 11 09 45 Dec: -60 22
h m s

(MSH 11-62)
1-GHz flux/Jy: 16 Spectral index: 0.29 Size/arcmin: 15 â 13 Type: C

Radio: Centrally brightened core, with surrounding arcs. X-ray: Centrally brightened. Point sources: Central compact X-ray source.
References: Shaver & Goss 1970, AuJPA, 14, 133. Molonglo at 408 MHz (3 ) and Parkes 64-m at 5 GHz (4 ). Roger et al. 1986, MNRAS, 219, 815. MOST at 843 MHz (43 â 50 : S = 17.2 ± 1.0), and Parkes 64-m at 5 and 8.4 GHz (4 .6 and 3 : S = 10.4 ± 0.4 and 9 .1 ± 0.2), with polarization. Wilson 1986, ApJ, 302, 718. IPC observations. Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 49 : S = 12.7). Harrus et al. 1998, ApJ, 499, 273. ASCA observations.

G292.0 + 1.8
RA: 11h 22m 20s Dec: -59 00 1-GHz flux/Jy: 15 Spectral index: 0.4

MSH 11-54
Size/arcmin: 12 â 8 Type: C?

Radio: Centrally brightened source surrounded by a plateau of faint emission. Optical: Oxygen rich. X-ray: Ring of emission.
References: Shaver & Goss 1970, AuJPA, 14, 133. Molonglo at 408 MHz (3 ) and Parkes 64-m at 5 GHz (4 ). Goss et al. 1979, MNRAS, 188, 357. Optical spectra. Lockhart et al. 1977, MNRAS, 179, 147. Fleurs at 1415 MHz (50 : S = 13.0). Clark et al. 1980, MNRAS, 193, 129. X-ray spectrum. Tuohy et al. 1982, ApJ, 260, L65. HRI observations. Dopita & Tuohy 1984, ApJ, 282, 135. Optical spectra. Braun et al. 1986, A&A, 162, 259. MOST at 843 MHz (0 .8) and IRAS. Hughes & Singh 1994, ApJ, 422, 126. EXOSAT spectrum. Sutherland & Dopita 1995, ApJ, 439, 365. Spectrophotometry.

1998 September


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Detailed listings

G293.8 + 0.6
RA: 11h 32m 40s Dec: -60 37 1-GHz flux/Jy: 5? Spectral index: 0.6? Size/arcmin: 20 Type: C

Radio: Central source, with faint extended plateau.
References: Clark et al. 1975, AuJPA, 37, 1. Molonglo at 408 MHz (3 : S = 9.0) and Parkes 64-m at 5 GHz (4 : S = 2.1). Kesteven & Caswell 1987, A&A, 183, 118. MOST at 843 MHz (44 â 51 ). Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 49 : S = 2.6).

G294.1 - 0.0
RA: 11h 33m 50s Dec: -61 22 Radio: Faint shell.
References: Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 49 : S > 2).

1-GHz flux/Jy: >2? Spectral index: ?

Size/arcmin: 40 Type: S

G296.1 - 0.5
RA: 11h 48m 40s Dec: -62 17 1-GHz flux/Jy: 8? Spectral index: 0.6? Size/arcmin: 37 â 25 Type: S

Incorporates the previously catalogued remnant G296.1-0.7. Has been called G296.05-0.50. Radio: Irregular shell, with nearby HII regions. Optical: Detected. X-ray: Detected.
References: Clark et al. 1975, AuJPA, 37, 1. Molonglo at 408 MHz (3 : S = 6.9) and Parkes 64-m at 5 GHz (4 : S > 0.74) poor 5-GHz map (of G296.1-0.7). Longmore et al. 1977, MNRAS, 181, 541. Optical spectra. van den Bergh 1978, ApJS, 38, 119. Optical. Markert et al. 1981, ApJ, 248, L17. IPC observations. Caswell & Barnes 1983, ApJ, 271, L55. Molonglo at 408 MHz (3 : S = 12.4). Bignami et al. 1986, ApJ, 302, 606. EXOSAT, IPC and HRI observations. Hwang & Markert 1994, ApJ, 431, 819. ROSAT observations. Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 48 : S > 2.4). Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

1998 September


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Detailed listings

G296.5 + 10.0
RA: 12 07 00 Dec: -52 10
h m s

PKS 1209-51/52
1-GHz flux/Jy: 48 Spectral index: 0.5 Size/arcmin: 90 â 65 Type: S

Has been called G296.5+9.7. Radio: Shell with two bright limbs. Optical: Detected. X-ray: Incomplete shell, with central compact source. Point sources: Central neutron star.
References: Irvine & Irvine 1974, ApJ, 192, L111. Optical. Danziger & Dennefeld 1976, PASP, 88, 44. Optical spectra. Dickel & Milne 1976, AuJPh, 29, 435. Comparison of earlier Parkes 64-m maps at 2.7 GHz (8 .4) and 5 GHz (4 .4). Tuohy et al. 1979, ApJ, 230, L27. X-ray detection with HEAO-1 A2 experiment. Ruiz 1983, AJ, 88, 1210. Optical spectra. Dubner et al. 1986, AJ, 91, 343. Argentine 30-m dish at 1.4 GHz (34 ), plus HI. Kellett et al. 1987, MNRAS, 225, 199. EXOSAT of the west of the remnant, including the compact source. Kesteven & Caswell 1987, A&A, 183, 118. MOST at 843 MHz (44 â 56 ). Matsui et al. 1988, ApJ, 329, 838. IPC and HRI observations, including compact source. Roger et al. 1988, ApJ, 332, 940. MOST at 843 MHz (44 â 56 ). Bignami et al. 1992, ApJ, 389, L67. Optical in vicinity of X-ray source. Milne & Haynes 1994, MNRAS, 270, 106. Parkes 64-m at 2.4 GHz (8 .3 : S = 33 ± 3), 4.8 GHz (4 .5 : S = 23.3 ± 3) and 8.4 GHz (3 .0 : 18.8 ± 3), including polarization and review of flux densities. Mereghetti et al. 1996, ApJ, 464, 842. Radio, optical and X-tray observations of central source. Green et al. 1997, AJ, 114, 2058. Parkes 64-m and ATCA OH observations. Vasisht et al. 1997, ApJ, 476, L43. ASCA observations of neutron star. Zavlin et al. 1998, A&A, 331, 821. ROSAT and ASCA observations of neutron star.

G296.8 - 0.3
RA: 11 56 00 Dec: -62 18
h m s

1156-62
1-GHz flux/Jy: 9 Spectral index: 0.6 Size/arcmin: 20 â 14 Type: S

Radio: Shell, brighter to the NW. Distance: HI absorption gives 9.6 ± 0.6 kpc. X-ray: Detected.
References: Caswell et al. 1975, AuJPA, 37, 39. Molonglo at 408 MHz (3 : S = 15.0) and Parkes 64-m at 5 GHz (4 : S = 3.2). Dickel & Milne 1976, AuJPh, 29, 435. Comparison of earlier Parkes 64-m maps at 2.7 GHz (8 .4) and 5 GHz (4 .4). Hwang & Markert 1994, ApJ, 431, 819. ROSAT observations. Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 48 : S = 9.2). Gaensler et al. 1998, MNRAS, 296, 813. ATCA at 1.3 GHz (22 â 24 : S = 7.0 ± 0.3), including polarisation and HI observations, plus review of flux densities.

G298.5 - 0.3
RA: 12h 10m 00s Dec: -62 35 1-GHz flux/Jy: 5? Spectral index: 0.4? Size/arcmin: 5? Type: ?

Radio: Not well resolved, may be part of a larger ring?
References: Shaver & Goss 1970, AuJPA, 14, 133. Molonglo at 408 MHz (3 ) and Parkes 64-m at 5 GHz (4 ). Hwang & Markert 1994, ApJ, 431, 819. ROSAT upper limit. Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 48 : S = 1.8).

1998 September


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Detailed listings

G298.6 - 0.0
RA: 12h 11m 00s Dec: -62 20 1-GHz flux/Jy: 5? Spectral index: 0.3 Size/arcmin: 12 â 9 Type: S

Has been called G298.6-0.1. Radio: Incomplete shell, in complex region.
References: Shaver & Goss 1970, AuJPA, 14, 133. Molonglo at 408 MHz (3 ) and Parkes 64-m at 5 GHz (4 ). Kesteven & Caswell 1987, A&A, 183, 118. MOST at 843 MHz (44 â 50 ). Hwang & Markert 1994, ApJ, 431, 819. ROSAT upper limit. Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 48 : S = 7.4).

G299.2 - 2.9
RA: 12h 12m 30s Dec: -65 13 Radio: Faint source. X-ray: Centrally brightened. Optical: Filaments in W.
References: Busser et al. 1996, A&A, 310, L1. ROSAT detection, plus optical studies. Slane et al. 1996, ApJ, 465, 840. Einstein, IRAS and radio observations.

1-GHz flux/Jy: 0.5? Spectral index: ?

Size/arcmin: 18 â 11 Type: S

G299.6 - 0.5
RA: 12h 19m 00s Dec: -62 52 Radio: Faint shell, brightest to E.
References: Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 48 : S = 1.1).

1-GHz flux/Jy: 1.0? Spectral index: ?

Size/arcmin: 13 Type: S

G301.4 - 1.0
RA: 12h 35m 00s Dec: -63 33 1-GHz flux/Jy: 2.1? Spectral index: ? Size/arcmin: 37 â 23 Type: S

Radio: Faint, incomplete shell, with possible extensionm to southwest.
References: Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 48 : S = 2.3).

G302.3 + 0.7
RA: 12h 42m 55s Dec: -61 52 1-GHz flux/Jy: 5? Spectral index: 0.4? Size/arcmin: 17 Type: S

Radio: Distorted shell, in complex region, with possibly associated filament.
References: Clark et al. 1975, AuJPA, 37, 1. Molonglo at 408 MHz (3 : S = 7.5) and Parkes 64-m at 5 GHz (4 : S = 3.0). Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 49 : S = 3.2). Frail et al. 1996, AJ, 111, 1651. OH emission near remnant.

G304.6 + 0.1
RA: 13 02 50 Dec: -62 26
h m s

Kes 17
1-GHz flux/Jy: 14 Spectral index: 0.5 Size/arcmin: 8 Type: S

Radio: Incomplete shell. Distance: Possible limit of > 9.7 kpc from HI absorption.
References: Shaver & Goss 1970, AuJPA, 14, 133. Molonglo at 408 MHz (3 ) and Parkes 64-m at 5 GHz (4 ). Milne & Dickel 1975, AuJPh, 28, 209. Parkes 64-m at 5 GHz (4 .4 : S = 6.9). Caswell et al. 1975, A&A, 45, 239. Parkes HI absorption. Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 48 : S = 18). Frail et al. 1996, AJ, 111, 1651. OH emission near remnant.

1998 September


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Detailed listings

G308.1 - 0.7
RA: 13h 34m 10s Dec: -62 49 Radio: Faint shell.
References: Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 48 : S = 1.3).

1-GHz flux/Jy: 1.2? Spectral index: ?

Size/arcmin: 13 Type: S

G308.8 - 0.1
RA: 13h 39m 00s Dec: -62 08 1-GHz flux/Jy: 15? Spectral index: 0.4? Size/arcmin: 20 â 30? Type: C?

Incorporates previous catalogued remnant G308.7+0.0. Radio: Bright ridge in north, and arc to south. Point sources: Pulsar near centre of remnant.
References: Clark et al. 1975, AuJPA, 37, 1. Molonglo at 408 MHz (3 : S = 16.7) and Parkes 64-m at 5 GHz (4 : S = 7.0). Milne & Dickel 1975, AuJPh, 28, 209. Parkes 64-m at 5 GHz (4 .4 : S = 6.5). Caswell et al. 1981, MNRAS, 195, 89. FIRST at 1415 MHz (50 ). Wilson 1986, ApJ, 302, 718. Lack of detection with IPC. Caswell et al. 1992, ApJ, 399, L151. MOST at 843 MHz (43 â 49 ). Kaspi et al. 1992, ApJ, 399, L155. Pulsar observations. Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

G309.2 - 0.6
RA: 13h 43m 00s Dec: -62 39 Has been called G309.2-0.7. Radio: Distorted shell.
References: Clark et al. 1975, AuJPA, 37, 1. Molonglo at 408 MHz (3 : S = 10.0) and Parkes 64-m at 5 GHz (4 : S = 3.9). Caswell et al. 1981, MNRAS, 195, 89. FIRST at 1415 MHz (1 .5). Kesteven & Caswell 1987, A&A, 183, 118. MOST at 843 MHz (44 â 50 ). Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 48 : S = 6). Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

1-GHz flux/Jy: 7? Spectral index: 0.4?

Size/arcmin: 15 â 12 Type: S

G309.8 + 0.0
RA: 13h 47m 00s Dec: -61 50 1-GHz flux/Jy: 17 Spectral index: 0.5 Size/arcmin: 25 â 19 Type: S

Radio: Distorted shell. Point sources: Steep radio spectrum source near the centre of the remnant.
References: Clark et al. 1975, AuJPA, 37, 1. Molonglo at 408 MHz (3 : S = 26.4) and Parkes 64-m at 5 GHz (4 : S = 7.4). Caswell et al. 1980, MNRAS, 190, 881. FIRST at 1415 MHz (1 ). Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 49 : S > 8.8). Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

G310.6 - 0.3
RA: 14 01 40 Dec: -62 23
h m s

Kes 20B
1-GHz flux/Jy: 5? Spectral index: ? Size/arcmin: 8 Type: S

Radio: Asymmetric shell.
References: Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 49 : S = 5.4).

1998 September


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Detailed listings

G310.8 - 0.4
RA: 14 03 40 Dec: -62 31
h m s

Kes 20A
1-GHz flux/Jy: 6? Spectral index: ? Size/arcmin: 12 Type: S

Radio: Arc in E, in complex region.
References: Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 49 : S = 6.9).

G311.5 - 0.3
RA: 14h 02m 00s Dec: -61 44 Radio: Shell, not well resolved.
References: Shaver & Goss 1970, AuJPA, 14, 133. Molonglo at 408 MHz (3 ) and Parkes 64-m at 5 GHz (4 ). Caswell & Barnes 1985, MNRAS, 216, 753. Molonglo at 408 MHz (3 ). Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 49 : S = 2.9).

1-GHz flux/Jy: 3? Spectral index: 0.5

Size/arcmin: 5 Type: S

G312.4 - 0.4
RA: 14h 09m 20s Dec: -61 29 Radio: Irregular, incomplete shell.
References: Caswell & Barnes 1985, MNRAS, 216, 753. Molonglo at 408 MHz (3 : S = 56). Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 49 : S > 19), plus Parkes 64-m at 4.5 GHz (S = 30 ± 2) and 8.55 GHz (S = 17 ± 4). Frail et al. 1996, AJ, 111, 1651. OH emission near remnant.

1-GHz flux/Jy: 45 Spectral index: 0.36

Size/arcmin: 38 Type: S

G315.4 - 2.3
RA: 14 39 00 Dec: -62 17
h m s

RCW 86, MSH 14-63
1-GHz flux/Jy: 49 Spectral index: 0.6 Size/arcmin: 42 Type: S

Possibly the remnant of the SN of AD185? Radio: Shell, brightest to the SW. Optical: Bright, radiative filaments, with some faint Balmer dominated filaments. X-ray: Partial shell, with bright patch. Distance: Possible association with OB stars suggests 2.5 kpc.
References: van den Bergh et al. 1973, ApJS, 26, 19. Optical. Caswell et al. 1975, AuJPA, 37, 39. Molonglo at 408 MHz (3 : S = 86) and Parkes 64-m at 5 GHz (4 : S = 18.2). Dickel & Milne 1976, AuJPh, 29, 435. Comparison of earlier Parkes 64-m maps at 2.7 GHz (8 .4) and 5 GHz (4 .4). Winkler 1978, ApJ, 221, 220. X-ray detection. Leibowitz & Danziger 1983, MNRAS, 204, 273. Optical spectra. Pisarski et al. 1984, ApJ, 277, 710. IPC and HRI observations Nugent et al. 1984, ApJ, 284, 612. X-ray spectrum. Kesteven & Caswell 1987, A&A, 183, 118. MOST at 843 MHz (44 â 50 ). Long & Blair 1990, ApJ, 358, L13. Balmer dominated optical filaments. Greidanus & Strom 1990, A&A, 240, 385. IRAS observations. Kaastra et al. 1992, A&A, 264, 654. Ginga X-ray spectra. Strom 1994, MNRAS, 268, L5. Historical association Chin & Huang 1994, Natur, 371, 398. Questioning of historical association. Schaefer 1995, AJ, 110, 1793. Questioning of historical association. Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 48 : S > 22). Rosado et al. 1996, A&A, 315, 243. Optical kinematics. Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations. Smith et al. 1997, AJ, 114, 2664. Observations of Balmer dominated filaments. Vink et al. 1997, A&A, 328, 628. ASCA spectroscopy.

1998 September


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Detailed listings

G315.4 - 0.3
RA: 14h 32m 10s Dec: -60 23 1-GHz flux/Jy: 8 Spectral index: 0.4 Size/arcmin: 24 â 13 Type: ?

Radio: Irregular non-thermal emission, with HII region superposed in E.
References: Clark et al. 1975, AuJPA, 37, 1. Molonglo at 408 MHz (3 : S = 15.9) and Parkes 64-m at 5 GHz (4 : S = 4.9). Caswell et al. 1981, MNRAS, 195, 89. FIRST at 1415 MHz (50 : S = 6.25), re-assessment of earlier flux densities. Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 49 : S = 3.1). Frail et al. 1996, AJ, 111, 1651. OH emission near remnant.

G315.9 - 0.0
RA: 14h 34m 40s Dec: -59 58 1-GHz flux/Jy: 0.8? Spectral index: ? Size/arcmin: 25 â 14 Type: S

Has been called G315.8-0.0. Radio: Faint, distorted shell, with steep-spectrum `jet'?
References: Kesteven et al. 1987, AuJPh, 40, 855. MOST at 843 MHz (44 â 50 ). Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 50 : S = 0.9). Green et al. 1997, AJ, 114, 2058. Parkes 64-m and ATCA OH observations.

G316.3 - 0.0
RA: 14 37 40 Dec: -59 47
h m s

(MSH 14-57)
1-GHz flux/Jy: 20? Spectral index: 0.4 Size/arcmin: 29 â 14 Type: S

Radio: Distorted shell, with possible `blowout'. Distance: HI absorption data suggests > 7.2 kpc.
References: Shaver & Goss 1970, AuJPA, 14, 133. Molonglo at 408 MHz (3 ) and Parkes 64-m at 5 GHz (4 ). Caswell et al. 1975, A&A, 45, 239. Parkes HI absorption. Milne & Dickel 1975, AuJPh, 28, 209. Parkes 64-m at 5 GHz (4 .4 : S = 16.7). Kesteven & Caswell 1987, A&A, 183, 118. MOST at 843 MHz (44 â 51 ). Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 50 : S = 20). Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

G317.3 - 0.2
RA: 14h 45m 50s Dec: -59 34 Radio: Incomplete shell.
References: Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 50 : S = 5.2).

1-GHz flux/Jy: 4.7? Spectral index: ?

Size/arcmin: 11 Type: S

G318.2 + 0.1
RA: 14h 51m 00s Dec: -58 51 1-GHz flux/Jy: >3.9? Spectral index: ? Size/arcmin: 40 â 35 Type: S

Radio: Faint shell, with central HII region. References: Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 50 : S > 4.3). Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.
1998 September


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Detailed listings

G318.9 + 0.4
RA: 14h 54m 40s Dec: -58 17 1-GHz flux/Jy: 4? Spectral index: 0.2? Size/arcmin: 30 â 14 Type: C

May not be a SNR? Radio: Complex arcs, with off-centre core.
References: Whiteoak 1990, Natur, 347, 157. MOST at 843 MHz (43 â 51 ). Whiteoak 1993, ApJ, 415, 701. MOST at 843 MHz (43 â 51 : S = 4.8 ± 0.6), Parkes 64-m at 4.5 GHz (4 .7 : S = 3.7 ± 0.2) and 8.4 GHz (2 .8 : S = 3.0 ± 0.4) including polarization, and ATCA at 1.4 GHz and 4.8 GHz (11 â 13 ) of core. Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 50 : S = 4.8). Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

G320.4 - 1.2
RA: 15 10 30 Dec: -58 58
h m s

MSH 15-52, RCW 89
1-GHz flux/Jy: 60? Spectral index: 0.4 Size/arcmin: 35 Type: C

Has been suggested as the remnant of the SN of AD185? Radio: Ragged shell. Optical: RCW 89 is the H emitting region to the NW. X-ray: Partial shell, central nebula and pulsar and possible `jet'. Point sources: Radio and X-ray pulsar, plus IR compact source. Distance: HI absorption indicates 4.2 kpc.
References: Caswell et al. 1975, A&A, 45, 239. Parkes HI absorption. Dickel & Milne 1976, AuJPh, 29, 435. Comparison of earlier Parkes 64-m maps at 2.7 GHz (8 .4) and 5 GHz (4 .4). Dopita et al. 1977, ApJ, 214, 179. Optical spectra. Caswell et al. 1981, MNRAS, 195, 89. FIRST at 1415 MHz (50 ). Seward & Harnden 1982, ApJ, 256, L45. X-ray of pulsar. Manchester et al. 1982, ApJ, 262, L31. Radio of pulsar. Seward et al. 1983, ApJ, 267, 698. X-ray, Optical and IR. Kamper & van den Bergh, 1980, ApJ, 280, L51. Optical expansion. Seward et al. 1984, ApJ, 281, 650. X-ray observations of pulsar and nebulosity. Lortet et al. 1987, A&A, 180, 65. Optical observations. Trussoni et al. 1990, A&A, 234, 403. EXOSAT observations. Asaoka & Koyama 1990, PASJ, 42, 625. Ginga X-ray spectrum. Arendt 1991, AJ, 101, 2160. IRAS observations, including compact source. Milne et al. 1993, MNRAS, 264, 853. Parkes 64-m at 4.8 GHz (4 .5 : S = 37 ± 7) and 8.4 GHz (3 .0 : S = 24 ± 4), including polarization and review of flux densities. Strom 1994, MNRAS, 268, L5. Historical association. Chin & Huang 1994, Natur, 371, 398. Questioning of historical association. Matz et al. 1994, ApJ, 434, 288. X-ray observations of pulsar. Schaefer 1995, AJ, 110, 1793. Questioning of historical association. Du Plessis et al. 1995, ApJ, 453, 746. Hartesbeesthoek 26-m at 2.3, 5 and 8.5 GHz (S = 42, 35.6, 14.5). Greiveldinger et al. 1995, ApJ, 454, 855. ROSAT observations. Trassoni et al. 1996, A&A, 306, 581. ROSAT observations. Tamura et al. 1996, PASJ, 48, L33. ASCA observations. Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 50 : S = 62). Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations. Marsden et al. 1997, ApJ, 491, L39. X-ray spectroscopy. Brazier & Becker 1997, MNRAS, 284, 335. ROSAT observations.

G320.6 - 1.6
RA: 15h 21m 50s Dec: -59 27 1-GHz flux/Jy: ? Spectral index: ? Size/arcmin: 60 â 30 Type: S

Radio: Faint shell, overlapping G320.4-1.2 in W.
References: Milne et al. 1993, MNRAS, 264, 853. Parkes 64-m at 4.8 GHz (4 .5) and 8.4 GHz (3 .0), including polarization. Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 50 : S > 9.3).

1998 September


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Detailed listings

G321.9 - 1.1
RA: 15h 19m 50s Dec: -58 02 Radio: Faint shell.
References: Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 51 : S > 3.8). Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

1-GHz flux/Jy: >3.4? Spectral index: ?

Size/arcmin: 28 Type: S

G321.9 - 0.3
RA: 15h 16m 45s Dec: -57 23 1-GHz flux/Jy: 13 Spectral index: 0.3 Size/arcmin: 31 â 23 Type: S

Radio: Shell brighter to the W, with Cir X-1 to N. Point sources: Compact, probably thermal source at S edge.
References: Clark et al. 1975, AuJPA, 37, 1. Molonglo at 408 MHz (3 : S = 18.3) and Parkes 64-m at 5 GHz (4 : S = 7.8). Kesteven & Caswell 1987, A&A, 183, 118. MOST at 843 MHz (44 â 52 ). Stewart et al. 1993, MNRAS, 261, 593. ATCA at 1.5 GHz (21 ). Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 51 : S > 8.3). Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

G322.5 - 0.1
RA: 15h 19m 30s Dec: -56 55 1-GHz flux/Jy: 1.5 Spectral index: 0.4 Size/arcmin: 15 Type: C

Radio: Shell with central extended source. Point sources: PN Pe 2-8 within boundary.
References: Whiteoak 1992, MNRAS, 256, 121. MOST at 843 MHz (43 â 51 : S = 2.0 ± 0.3). Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 51 : S = 1.7), plus Parks 64-m at 4.5 GHz (= 0.89 ± 0.13). Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

G323.5 + 0.1
RA: 15h 24m 50s Dec: -56 11 1-GHz flux/Jy: 3? Spectral index: 0.4? Size/arcmin: 13 Type: S

Radio: Distorted shell, confused with thermal emission. Point sources: Compact, probably thermal source near centre.
References: Clark et al. 1975, AuJPA, 37, 1. Molonglo at 408 MHz (3 : S = 4.2) and Parkes 64-m at 5 GHz (4 : S = 1.5). Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 52 : S = 4.2). Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

1998 September


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Detailed listings

G326.3 - 1.8
RA: 15 49 00 Dec: -56 00
h m s

MSH 15-56
1-GHz flux/Jy: 145 Spectral index: varies Size/arcmin: 38 Type: C

Has been called G326.2-1.7. Radio: Shell, with flat spectrum core. Optical: Emission around the shell. X-ray: Shell, with central extended emission.
References: Clark et al. 1975, AuJPA, 37, 75. Molonglo at 408 MHz (3 : S = 180). Caswell et al. 1975, A&A, 45, 239. Parkes HI absorption. Milne et al. 1979, MNRAS, 188, 437. FIRST at 1415 MHz (0 .8 : S > 95) and Parkes 64-m at 14.7 GHz (2 .2 : S = 69 ± 8). van den Bergh 1979, ApJ, 227, 497. Optical observations. Zealey et al. 1979, A&AS, 38, 39. Optical observations. Dennefeld 1980, PASP, 92, 603. Optical spectra. Kesteven & Caswell 1987, A&A, 183, 118. MOST at 843 MHz (44 â 53 ). Milne et al. 1989, PASAu, 8, 187. MOST at 843 MHz (43 â 52 : S = 153 ± 40), and Parkes 64-m at 8.4 GHz (3 : S = 68 ± 5), including polarization. Seward 1990, ApJS, 73, 781. IPC observations. Kassim et al. 1993, ApJ, 419, 733. ROSAT image. Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 52 : S > 130). Rosado et al. 1996, A&A, 315, 243. Optical kinematics. Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

G327.1 - 1.1
RA: 15h 50m 30s Dec: -55 00 Radio: Shell, with off-centre core. X-ray: Diffuse, with core.
References: Milne & Dickel 1974, AuJPh, 27, 549. Parkes 64-m at 2.7 GHz (8 .4 : S = 10 ± 15%). Clark et al. 1975, AuJPA, 37, 1. Molonglo at 408 MHz (3 : S = 10.6) and Parkes 64-m at 5 GHz (4 : S = 4.3). Lamb & Markert 1981, ApJ, 244, 94. IPC observations. Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 52 : S = 7.6). Seward et al. 1996, ApJ, 471, 887. ROSAT observations. Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

1-GHz flux/Jy: 7? Spectral index: ?

Size/arcmin: 18 Type: C

G327.4 + 0.4
RA: 15 44 30 Dec: -53 40
h m s

Kes 27
1-GHz flux/Jy: 30? Spectral index: 0.6 Size/arcmin: 21 Type: S

Has been called G327.3+0.4 and G327.3+0.5. Radio: Incomplete, multi-arc shell, brightest to the SE. X-ray: Diffuse, best defined to E.
References: Caswell et al. 1975, AuJPA, 37, 39. Molonglo at 408 MHz (3 : S = 58) and Parkes 64-m at 5 GHz (4 : S = 12.4). Dickel & Milne 1976, AuJPh, 29, 435. Comparison of earlier Parkes 64-m maps at 2.7 GHz (8 .4) and 5 GHz (4 .4). Lamb & Markert 1981, ApJ, 244, 94. IPC observations. Kesteven & Caswell 1987, A&A, 183, 118. MOST at 843 MHz (44 â 55 ). Milne et al. 1989, PASAu, 8, 187. MOST at 843 MHz (43 â 53 : S = 32.2 ± 6), and Parkes 64-m at 8.4 GHz (3 : S = 9.4 ± 0.8), including polarization. Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 53 : S = 25). Seward et al. 1996, ApJ, 471, 887. ROSAT observations. Green et al. 1997, AJ, 114, 2058. Parkes 64-m and ATCA OH observations.

G327.4 + 1.0
RA: 15h 43m 00s Dec: -53 11 Radio: Asymmetric shell.
References: Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 54 : S = 2.1). Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

1-GHz flux/Jy: 1.9? Spectral index: ?

Size/arcmin: 14 Type: S

1998 September


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Detailed listings

G327.6 + 14.6
RA: 14 59 35 Dec: -41 44
h m s

SN1006, PKS 1459-41
1-GHz flux/Jy: 19 Spectral index: 0.6 Size/arcmin: 30 Type: S

This is the remnant of the SN of AD1006. Radio: Shell, with two bright arcs. Optical: Filaments to the NW, with broad H component. X-ray: Thermal shell, with non-thermal limb-brightened arcs. Point sources: The background Schweizer-Middleditch star is near the middle of the remnant. Distance: Optical spectra and proper motion indicate 1.7­3.1 kpc, modelling spectra gives 1.8 ± 0.3 kpc.
References: van den Bergh 1976, ApJ, 208, L17. Optical. Dickel & Milne 1976, AuJPh, 29, 435. Comparison of earlier Parkes 64-m maps at 2.7 GHz (8 .4) and 5 GHz (4 .4). Becker et al. 1980, ApJ, 240, L33. X-ray spectroscopy. Schweizer & Middleditch 1980, ApJ, 241, 1039. Possible stellar remnant. Pye et al. 1981, MNRAS, 194, 569. IPC observations. Caswell et al. 1983, MNRAS, 204, 921. FIRST at 1415 MHz (77 ). Reynolds & Gilmore 1986, AJ, 92, 1138. VLA at 1.37 and 1.67 GHz (16 â 20 ). Kirshner et al. 1987, ApJ, 315, L135. Broad H optical component. Kesteven & Caswell 1987, A&A, 183, 118. MOST at 843 MHz (44 â 66 ). Fesen et al. 1988, ApJ, 327, 164. UV absorption spectra of the Schweizer-Middleditch star. Roger et al. 1988, ApJ, 332, 940. MOST at 843 MHz (44 â 66 : S = 17.5 ± 1.5). Long et al. 1988, ApJ, 333, 749. Optical proper motion for distance. Jones & Pye 1989, MNRAS, 238, 567. EXOSAT observations. Leahy et al. 1991, ApJ, 374, 218. HEAO-1 X-ray spectra. Wu et al. 1993, ApJ, 416, 247. UV spectra. Ozaki et al. 1994, PASJ, 46, 367. X-ray observations. Reynolds & Gilmore 1993, AJ, 106, 272. VLA at 1.37 and 1.67 GHz (24 ), including polarization. Moffett et al. 1993, AJ, 106, 1566. VLA at 1.37 and 1.67 GHz (10 â 14 ), for proper motion studies. Raymond et al. 1995, ApJ, 454, L31. Far UV spectroscopy. Koyama et al. 1995, Natur, 378, 255. ASCA observations. Willingale et al. 1996, MNRAS, 278, 749. ROSAT observations. Blair et al. 1996, ApJ, 468, 871. Optical absorption studies. Laming et al. 1996, ApJ, 472, 267. Modelling of optical spectra, including distance. Wu et al. 1997, ApJ, 477, L53. Far UV absorption spectra of the Schweizer-Middleditch star. Winkler & Long 1997, ApJ, 486, L137. UV absorption spectra of background quasar. Tanimori et al. 1998, ApJ, 497, L25. -ray detection.

G328.4 + 0.2
RA: 15h 51m 40s Dec: -53 08 Radio: Amorphous emission.
References: Shaver & Goss 1970, AuJPA, 14, 133. Molonglo at 408 MHz (3 ) and Parkes 64-m at 5 GHz (4 ). Caswell et al. 1980, MNRAS, 190, 881. FIRST at 1415 MHz (50 ). Wilson 1986, ApJ, 302, 718. Lack of detection with IPC. Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 54 : S = 15). Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

(MSH 15-57)
1-GHz flux/Jy: 16? Spectral index: 0.2 Size/arcmin: 6 Type: F

G329.7 + 0.4
RA: 15h 57m 30s Dec: -52 11 Radio: Diffuse shell, in complex region.
References: Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 53 : S > 38). Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

1-GHz flux/Jy: >34? Spectral index: ?

Size/arcmin: 40 â 33 Type: S

1998 September


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Detailed listings

G330.0 + 15.0
RA: 15 05 00 Dec: -39 30
h m s

Lupus Loop
1-GHz flux/Jy: 350? Spectral index: 0.5? Size/arcmin: 180? Type: S

Radio: Low surface brightness loop with HI shell. X-ray: Detected.
References: Milne 1971, AuJPh, 24, 757. Parkes 64-m at 408 MHz (48 ), 635 MHz (31 ) and 1410 MHz (15 ). Milne & Dickel 1974, AuJPh, 27, 549. Parkes 64-m at 2.7 GHz (8 .4 : S = 120 ± 30%). Toor 1980, A&A, 85, 184. X-ray image and spectrum. Colomb & Dubner 1982, A&A, 112, 141. Argentine 30-m dish at 1.42 GHz (30 ), HI observations. Leahy et al. 1991, ApJ, 374, 218. HEAO-1 X-ray spectra. Ozaki et al. 1994, PASJ, 46, 367. X-ray observations.

G330.2 + 1.0
RA: 15h 57m 20s Dec: -51 26 1-GHz flux/Jy: 5? Spectral index: 0.3 Size/arcmin: 11 Type: S?

Radio: Clumpy non-thermal emission, possibly a distorted shell.
References: Clark et al. 1975, AuJPA, 37, 1. Molonglo at 408 MHz (3 : S = 8.6) and Parkes 64-m at 5 GHz (4 : S = 4.0). Caswell et al. 1983, MNRAS, 204, 915. FIRST at 1415 MHz (52 â 47 ), and MOST at 843 MHz (43 â 55 ). Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 55 : S = 4.7). Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

G332.0 + 0.2
RA: 16h 09m 30s Dec: -50 45 Radio: Incomplete shell.
References: Shaver & Goss 1970, AuJPA, 14, Kesteven & Caswell 1987, A&A, Whiteoak & Green 1996, A&AS, Green et al. 1997, AJ, 114, 2058. 133. Molonglo at 183, 118. MOST 118, 329. MOST Parkes 64-m OH 408 MHz (3 ) and Parkes 64-m at 5 GHz (4 ). at 843 MHz (44 â 57 ). at 843 MHz (43 â 55 : S = 8.9). observations.

1-GHz flux/Jy: 8? Spectral index: 0.5

Size/arcmin: 12 Type: S

G332.4 - 0.4
RA: 16h 13m 45s Dec: -50 55 1-GHz flux/Jy: 28 Spectral index: 0.5

RCW 103
Size/arcmin: 10 Type: S

Radio: Shell, brightest to the S. Optical: Filaments correspond well to the radio shell. X-ray: Detected, with point source near centre. Point sources: Central X-ray source, and nearby pulsar. Distance: HI absorption indicates 3.3 kpc.
References: Shaver & Goss 1970, AuJPA, 14, 133. Molonglo at 408 MHz (3 ) and Parkes 64-m at 5 GHz (4 ). Caswell et al. 1975, A&A, 45, 239. Parkes HI absorption. Tuohy & Garmire 1980, ApJ, 239, L107. HRI detection of X-ray point source. Caswell et al. 1980, MNRAS, 190, 881. FIRST at 1415 MHz (50 ). Lamb & Markert 1981, ApJ, 244, 94. IPC observations. Ruiz 1983, AJ, 88, 1210. Optical spectra. Tuohy et al. 1983, ApJ, 268, 778. X-ray observations. Leibowitz & Danziger 1983, MNRAS, 204, 273. Optical spectra. Nugent et al. 1984, ApJ, 284, 612. X-ray spectrum (and HRI image from Tuohy, private communication). Meaburn & Allen 1986, MNRAS, 222, 593. Optical spectra. Kesteven & Caswell 1987, A&A, 183, 118. MOST at 843 MHz (44 â 57 ). Oliva et al. 1990, A&A, 240, 453. IR spectroscopy. Dickel et al. 1996, AJ, 111, 340. ATCA at 1.36 (8 ) and 2.37 GHz (4 .5 ), including polarization. Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 55 : S = 34). Frail et al. 1996, AJ, 111, 1651. OH emission near remnant. Gotthelf et al. 1997, ApJ, 487, L175. ASCA observations of compact X-ray source. Torii et al. 1998, ApJ, 494, L207. ASCA detection of nearby pulsar. Kaspi et al. 1998, ApJ, 503, L161. Pulsar observations.

1998 September


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Detailed listings

G332.4 + 0.1
RA: 16 11 30 Dec: -50 35
h m s

MSH 16-51, Kes 32
1-GHz flux/Jy: 26 Spectral index: 0.5 Size/arcmin: 15 Type: S

Has been called G332.4+0.2. Radio: Distorted shell, with thermal jet and plume adjacent. Point sources: Pulsar nearby.
References: Shaver & Goss 1970, AuJPA, 14, 133. Molonglo at 408 MHz (3 ) and Parkes 64-m at 5 GHz (4 ). Roger et al. 1985, Natur, 316, 44. MOST at 843 MHz (44 â 57 ). Caraveo 1993, ApJ, 415, L111. Nearby pulsar. Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 56 : S = 29). Frail et al. 1996, AJ, 111, 1651. OH emission near remnant.

G335.2 + 0.1
RA: 16h 24m 00s Dec: -48 40 1-GHz flux/Jy: 16 Spectral index: 0.5 Size/arcmin: 21 Type: S

Radio: Well defined shell. Point sources: Old pulsar within remnant boundary.
References: Clark et al. 1975, AuJPA, 37, 1. Molonglo at 408 MHz (3 : S = 27.1) and Parkes 64-m at 5 GHz (4 : S = 8.6). Kaspi et al. 1996, AJ, 111, 2028. Pulsar observations. Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 57 : S = 16). Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

G336.7 + 0.5
RA: 16h 28m 30s Dec: -47 13 Radio: Irregular shell.
References: Shaver & Goss 1970, AuJPA, 14, Kesteven & Caswell 1987, A&A, Whiteoak & Green 1996, A&AS, Green et al. 1997, AJ, 114, 2058. 133. Molonglo at 183, 118. MOST 118, 329. MOST Parkes 64-m OH 408 MHz (3 ) and Parkes 64-m at 5 GHz (4 ). at 843 MHz (44 â 60 ). at 843 MHz (43 â 58 : S = 6.1). observations.

1-GHz flux/Jy: 6 Spectral index: 0.5

Size/arcmin: 14 â 10 Type: S

G337.0 - 0.1
RA: 16 32 15 Dec: -47 30
h m s

(CTB 33)
1-GHz flux/Jy: 1.5 Spectral index: 0.6? Size/arcmin: 1.5 Type: S

This entry refers to a small (1 .5) SNR, not the larger previously catalogued G337.0-0.1. Radio: Shell, in a complex region. Distance: Assocition with CRB 33 gives 11 kpc.
References: Shaver & Goss 1970, AuJPA, 14, 133. Molonglo at 408 MHz (3 ) and Parkes 64-m at 5 GHz (4 ). Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 58 : S = 21). Frail et al. 1996, AJ, 111, 1651. OH emission near remnant, including masers. Sarma et al. 1997, ApJ, 483, 335. ATCA at 1.4 GHz (12 ) including HI, and 8.9 GHz (13 â 15 ) for recomination lines, clarifying extent of the remnant.

G337.2 - 0.7
RA: 16h 35m 45s Dec: -47 45 Radio: Shell, not well resolved.
References: Clark et al. 1975, AuJPA, 37, 1. Molonglo at 408 MHz (3 : S = 3.8) and Parkes 64-m at 5 GHz (4 : S = 0.70). Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 58 : S = 2.0). Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

1-GHz flux/Jy: 2? Spectral index: 0.7

Size/arcmin: 6 Type: S

1998 September


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Detailed listings

G337.3 + 1.0
RA: 16 29 00 Dec: -46 30
h m s

Kes 40
1-GHz flux/Jy: 16 Spectral index: 0.55 Size/arcmin: 15 â 12 Type: S

Radio: Nearly complete shell.
References: Caswell et al. 1975, AuJPA, 37, 39. Molonglo at 408 MHz (3 : S = 24.6) and Parkes 64-m at 5 GHz (4 : S = 7.2). Dickel & Milne 1976, AuJPh, 29, 435. Comparison of earlier Parkes 64-m maps at 2.7 GHz (8 .4) and 5 GHz (4 .4). Kesteven & Caswell 1987, A&A, 183, 118. MOST at 843 MHz (44 â 61 ). Milne et al. 1989, PASAu, 8, 187. MOST at 843 MHz (43 â 59 : S = 14.8 ± 3.0), and Parkes 64-m at 8.4 GHz (3 : S = 5.1 ± 0.6), including polarization. Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 59 : S = 20). Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

G337.8 - 0.1
RA: 16h 35m 20s Dec: -46 53 1-GHz flux/Jy: 18 Spectral index: 0.5

Kes 41
Size/arcmin: 9 â 6 Type: S

Radio: Distorted shell. Distance: HI absorption suggests > 9.3 kpc.
References: Shaver & Goss 1970, AuJPA, 14, 133. Molonglo at 408 MHz (3 ) and Parkes 64-m at 5 GHz (4 ). Caswell et al. 1975, A&A, 45, 239. Parkes HI absorption. Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 59 : S = 18). Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

G338.1 + 0.4
RA: 16h 34m 20s Dec: -46 18 1-GHz flux/Jy: 4? Spectral index: 0.4 Size/arcmin: 15? Type: S

Radio: Arc in NE, merging with thermal emission in S. Optical: Detected.
References: Shaver & Goss 1970, AuJPA, 14, 133. Molonglo at 408 MHz (3 ) and Parkes 64-m at 5 GHz (4 ). Zealey et al. 1979, A&AS, 38, 39. Optical detection. Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 59 : S = 3.8). Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

G338.3 - 0.0
RA: 16h 37m 20s Dec: -46 28 Radio: Irregular shell, in complex region.
References: Shaver & Goss 1970, AuJPA, 14, 133. Molonglo at 408 MHz (3 ) and Parkes 64-m at 5 GHz (4 ). Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 59 : S = 7.4). Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

1-GHz flux/Jy: 7? Spectral index: ?

Size/arcmin: 8 Type: S

G338.5 + 0.1
RA: 16h 37m 30s Dec: -46 13 1-GHz flux/Jy: 12? Spectral index: ? Size/arcmin: 9 Type: ?

Radio: Circle of non-thermal emission in complex region, not well defined.
References: Shaver & Goss 1970, AuJPA, 14, 133. Molonglo at 408 MHz (3 ) and Parkes 64-m at 5 GHz (4 ). Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 59 : S = 13). Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

1998 September


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Detailed listings

G340.4 + 0.4
RA: 16h 42m 55s Dec: -44 34 1-GHz flux/Jy: 5 Spectral index: 0.4 Size/arcmin: 10 â 7 Type: S

Radio: Distorted shell, elongated east­west.
References: Clark et al. 1975, AuJPA, 37, 1. Molonglo at 408 MHz (3 : S = 8.2) and Parkes 64-m at 5 GHz (4 : S = 2.9). Caswell et al. 1983, MNRAS, 203, 595. FIRST at 1415 MHz (50 ). Dubner et al. 1996, AJ, 111, 1304. VLA at 330 MHz (75 â 48 : S = 9.8 ± 0.9) and 1.4 GHz (27 â 9 : S = 3.6 ± 0.1). Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 61 : S = 5.9). Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

G340.6 + 0.3
RA: 16h 44m 05s Dec: -44 29 Radio: Incomplete shell. Optical: Possible associated filaments.
References: Clark et al. 1975, AuJPA, 37, 1. Molonglo at 408 MHz (3 : S = 7.0) and Parkes 64-m at 5 GHz (4 : S = 2.8). Caswell et al. 1983, MNRAS, 203, 595. FIRST at 1415 MHz (50 ). Zealey et al. 1979, A&AS, 38, 39. Optical. Dubner et al. 1996, AJ, 111, 1304. VLA at 330 MHz (75 â 48 : S = 9.2 ± 0.9) and 1.4 GHz (27 â 9 : S = 5.8 ± 0.1). Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 61 : S = 4.5). Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

1-GHz flux/Jy: 5? Spectral index: 0.4?

Size/arcmin: 6 Type: S

G341.2 + 0.9
RA: 16h 44m 00s Dec: -43 42 1-GHz flux/Jy: 1.5? Spectral index: 0.6? Size/arcmin: 16 â 22 Type: C?

Radio: Incomplete shell, with extension to SW. Point sources: Pulsar in W.
References: Frail et al. 1994, ApJ, 437, 781. VLA at 330 MHz (54 â 116 : S = 3.0 ± 0.1) and 1.4 GHz (21 â 25 : S = 12.5 ± 0.05).

G341.9 - 0.3
RA: 16h 51m 25s Dec: -43 56 Radio: Incomplete shell, brightest to NE.
References: Caswell et al. 1975, AuJPA, 37, 39. Molonglo at 408 MHz (3 : S = AuJPA, 37, 57 for the maps. Caswell et al. 1983, MNRAS, 203, 595. FIRST at 1415 MHz (50 ), Dubner et al. 1996, AJ, 111, 1304. VLA at 1.4 GHz (35 â 11 : S = Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations. 7.4) and Parkes 64-m at 5 GHz (4 : S = 1.7), see Caswell & Clark 1975, revision of previous flux densities. 2.2 ± 0.1). â 62 : S = 2.7).

1-GHz flux/Jy: 2.5 Spectral index: 0.5

Size/arcmin: 7 Type: S

G342.0 - 0.2
RA: 16h 51m 15s Dec: -43 48 Radio: Distorted shell.
References: Caswell et al. 1983, MNRAS, 203, 595. FIRST at 1415 MHz (50 ), estimate S(408) = 5, S(5000) = 2 from previous maps. Dubner et al. 1996, AJ, 111, 1304. VLA at 1.4 GHz (35 â 11 ). Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 62 : S = 3.5). Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

1-GHz flux/Jy: 3.5? Spectral index: 0.4?

Size/arcmin: 12 â 9 Type: S

1998 September


Table IV

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Detailed listings

G342.1 + 0.9
RA: 16h 47m 10s Dec: -42 59 Radio: Incomplete shell.
References: Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 63 : S = 0.6). Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

1-GHz flux/Jy: 0.5? Spectral index: ?

Size/arcmin: 10 â 9 Type: S

G343.1 - 2.3
RA: 17h 04m 25s Dec: -44 12 Radio: Incomplete shell? Point sources: Pulsar near edge.
References: McAdam et al. 1993, Natur, 361, 516. MOST at 843 MHz (smoothed to 2 ). Frail et al. 1994, ApJ, 437, 781. VLA at 330 MHz (56 â 111 : S = 10.6) and 1.4 GHz (22 â 27 ) near pulsar. Becker et al. 1995, A&A, 298, 528. ROSAT of pulsar, and limit for remnant.

1-GHz flux/Jy: 8? Spectral index: 0.5?

Size/arcmin: 32? Type: C?

G343.1 - 0.7
RA: 16h 56m 50s Dec: -43 10 1-GHz flux/Jy: 7.8 Spectral index: 0.55 Size/arcmin: 27 â 21 Type: S

Radio: Shell, with smaller thermal shell adjacent.
References: Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 63 : S8.5 ± 0.6), plus Parkes 64-m at 4.5 GHz (S = 3.9 ± 0.6) and 8.55 GHz (S = 2.4 ± 0.5) Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

G344.7 - 0.1
RA: 17h 00m 20s Dec: -41 38 1-GHz flux/Jy: 2.5? Spectral index: 0.5 Size/arcmin: 10 Type: C?

Radio: Aysmmetric shell, with possible core.
References: Clark et al. 1975, AuJPA, 37, 1. Molonglo at 408 MHz (3 : S = 4.7) and Parkes 64-m at 5 GHz (4 : S = 1.3). Dubner et al. 1993, AJ, 105, 2251. VLA at 1.47 GHz (30 â 43 : S = 1.7 ± 0.1). Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 65 : S = 2.5). Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

G345.7 - 0.2
RA: 17h 03m 50s Dec: -40 49 Radio: Poorly defined diffuse shell. Point sources: Old pulsar nearby.
References: Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 66 : S = 0.7). Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

1-GHz flux/Jy: 0.6? Spectral index: ?

Size/arcmin: 6 Type: S

G346.6 - 0.2
RA: 17h 06m 50s Dec: -40 07 Radio: Irregular shell.
References: Clark et al. 1975, AuJPA, 37, 1. Molonglo at 408 MHz (3 : S = 14.9) and Parkes 64-m at 5 GHz (4 : S = 4.3). Dubner et al. 1993, AJ, 105, 2251. VLA at 1.47 GHz (31 â 43 : S = 8.1 ± 0.9). Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 67 : S = 8.7). Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

1-GHz flux/Jy: 8? Spectral index: 0.5?

Size/arcmin: 8 Type: S

1998 September


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Detailed listings

G348.5 - 0.0
RA: 17h 12m 00s Dec: -38 25 Radio: Arc, overlapping G348.5+0.1.
References: Kassim et al. 1991, ApJ, 374, 212. VLA at 333 MHz (46 â 53 ), 1.4 GHz (18 â 33 ) and part at 5 GHz (2 .5 â 3 .9). Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 69 : S = 10.2). Frail et al. 1996, AJ, 111, 1651. OH emission near remnant, including masers. Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

1-GHz flux/Jy: 10? Spectral index: 0.4?

Size/arcmin: 10? Type: S?

G348.5 + 0.1
RA: 17h 10m 40s Dec: -38 29 1-GHz flux/Jy: 72 Spectral index: 0.3

CTB 37A
Size/arcmin: 15 Type: S

Radio: Shell, poorly define to S and W, overlapping G348.5-0.0 in E. Distance: HI absorption indicates 10.2±3.5 kpc.
References: Clark et al. 1975, AuJPA, 37, 75. Molonglo at 408 MHz (3 : S = 97). Milne & Dickel 1975, AuJPh, 28, 209. Parkes 64-m at 5 GHz (4 .4 : S = 43). Caswell et al. 1975, A&A, 45, 239. Parkes HI absorption. Milne et al. 1979, MNRAS, 188, 437. FIRST at 1415 MHz (0 .8 : S > 50) and Parkes 64-m at 14.7 GHz (2 .2 : S = 18 ± 5). Downes 1984, MNRAS, 210, 845. VLA at 1465 MHz (20 â 45 ). Kassim et al. 1991, ApJ, 374, 212. VLA at 333 MHz (46 â 53 ), 1.4 GHz (18 â 33 ) and part at 5 GHz (2 .5 â 3 .9). Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 69 : S = 71).

G348.7 + 0.3
RA: 17 10 30 Dec: -38 08
h m s

CTB 37B
1-GHz flux/Jy: 26 Spectral index: 0.3 Size/arcmin: 17? Type: S

Radio: Incomplete shell with faint eastern extensions. Distance: HI absorption indicates 10.2±3.5 kpc.
References: Clark et al. 1975, AuJPA, 37, 75. Molonglo at 408 MHz (3 : S = 34). Milne & Dickel 1975, AuJPh, 28, 209. Parkes 64-m at 5 GHz (4 .4 : S = 32). Caswell et al. 1975, A&A, 45, 239. Parkes HI absorption. Milne et al. 1979, MNRAS, 188, 437. FIRST at 1415 MHz (0 .8 : S > 20) and Parkes 64-m at 14.7 GHz (2 .2 : S = 8 ± 3). Downes 1984, MNRAS, 210, 845. VLA at 1465 MHz (20 â 45 ). Kassim et al. 1991, ApJ, 374, 212. VLA at 333 MHz (46 â 53 ). Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 69 : S = 33). Frail et al. 1996, AJ, 111, 1651. OH emission near remnant.

G349.2 - 0.1
RA: 17h 13m 50s Dec: -38 01 1-GHz flux/Jy: 1.4? Spectral index: ? Size/arcmin: 9 â 6 Type: S

Radio: Elongated shell, adjacent to bright HII region.
References: Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 70 : S = 1.6). Frail et al. 1996, AJ, 111, 1651. OH emission near remnant.

G349.7 + 0.2
RA: 17h 14m 35s Dec: -37 23 1-GHz flux/Jy: 20 Spectral index: 0.5 Size/arcmin: 2.5 â 2 Type: S

Radio: Incomplete clumpy shell, with enhancement to the S. Distance: HI absorption indicates 18.3±4.6 kpc.
References: Becker & Kundu 1975, AJ, 80, 679. NRAO 140-ft at 10.6 GHz (3 ). Caswell et al. 1975, AuJPA, 37, 39. Molonglo at 408 MHz (3 : S = 31.0) and Parkes 64-m at 5 GHz (4 : S = 9.1), no maps. Caswell et al. 1975, A&A, 45, 239. Parkes HI absorption. Shaver et al. 1985, Natur, 313, 113. VLA at 1.4 GHz (3 .4 â 14 .5). Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 71 : S = 22). Frail et al. 1996, AJ, 111, 1651. OH emission near remnant, including masers.

1998 September


Table IV

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Detailed listings

G350.0 - 2.0
RA: 17h 24m 20s Dec: -38 30 1-GHz flux/Jy: 26 Spectral index: 0.4 Size/arcmin: 45 Type: S

Incorporates the previously catalogued G350.0-1.8 in the NW. Radio: Shell, brightest in NW.
References: Clark et al. 1975, AuJPA, 37, 1. Molonglo at 408 MHz (3 : S = 49.5) and Parkes 64-m at 5 GHz (4 : S = 13.6). Milne & Dickel 1975, AuJPh, 28, 209. Parkes 64-m at 5 GHz (4 .4). Gaensler 1998, ApJ, 493, 781. VLA and Parkes 64-m at 1.4 GHz (18 â 21 : S = 22.3 ± 0.3), clarifying extent of remnant.

G351.2 + 0.1
RA: 17h 19m 05s Dec: -36 08 1-GHz flux/Jy: 5? Spectral index: 0.4 Size/arcmin: 7 Type: C?

Has been called G351.3+0.2. Radio: Distorted shell, with possible flat-spectrum core.
References: Clark et al. 1975, AuJPA, 37, 1. Molonglo at 408 MHz (3 : S = 8.1) and Parkes 64-m at 5 GHz (4 : S = 3.1). Caswell et al. 1984, PASAu, 5, 227. MOST at 843 MHz (43 â 77 ). Becker & Helfand 1988, AJ, 95, 883. VLA at 5 GHz (15 ), and at 15 GHz of core. Dubner et al. 1993, AJ, 105, 2251. VLA at 1.47 GHz (32 â 36 : S = 4.8 ± 0.2). Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 73 : S = 5.5). Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

G351.7 + 0.8
RA: 17h 17m 40s Dec: -35 24 1-GHz flux/Jy: 10? Spectral index: ? Size/arcmin: 18 â 14 Type: S

Radio: Elongated shell, adjacent to bright HII region. Point sources: Pulsar nearby.
References: Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 74 : S = 11).

G351.9 - 0.9
RA: 17h 25m 30s Dec: -36 14 Radio: Asymmetric shell.
References: Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 73 : S = 2.0).

1-GHz flux/Jy: 1.8? Spectral index: ?

Size/arcmin: 12 â 9 Type: S

G352.7 - 0.1
RA: 17h 24m 20s Dec: -35 05 Radio: Distorted shell. X-ray: Detected.
References: Clark et al. 1975, AuJPA, 37, 1. Molonglo at 408 MHz (3 : S = 9.6) and Parkes 64-m at 5 GHz (4 : S = 2.3). Caswell et al. 1983, MNRAS, 203, 595. FIRST at 1415 MHz (1 .1). Dubner et al. 1993, AJ, 105, 2251. VLA at 1.47 GHz (34 : S = 3.4 ± 0.4). Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 75 : S = 4.4). Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations. Kinugasa et al. 1998, PASJ, 50, 249. ASCA observations.

1-GHz flux/Jy: 4 Spectral index: 0.6

Size/arcmin: 8 â 6 Type: S

1998 September


Table IV

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Detailed listings

G354.1 + 0.1
RA: 17h 27m 10s Dec: -33 44 Is this a SNR? Radio: Elongated N­S. Point sources: Pulsar at S tip.
References: Frail et al. 1994, ApJ, 437, 781. VLA at 330 MHz (47 â 99 ) and 1.4 GHz (8 .8 â 21 ).

1-GHz flux/Jy: ? Spectral index: varies?

Size/arcmin: 15 â 3? Type: C?

G354.8 - 0.8
RA: 17h 32m 40s Dec: -33 40 Radio: Distorted shell.
References: Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43 â 78 : S = 3.1). Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

1-GHz flux/Jy: 2.8? Spectral index: ?

Size/arcmin: 19 Type: S

G355.6 - 0.0
RA: 17h 32m 00s Dec: -32 36 Radio: Well defined shell.
References: Gray 1994, MNRAS, 270, 847. MOST at 843 MHz (43 â 80 : S = 2.6).

1-GHz flux/Jy: 3? Spectral index: ?

Size/arcmin: 6 â 8 Type: S

G355.9 - 2.5
RA: 17h 42m 35s Dec: -33 42 Radio: Distorted shell, brightest to SE.
References: Clark et al. 1975, AuJPA, 37, 1. Molonglo at 408 MHz (3 : S = 12.3) and Parkes 64-m at 5 GHz (4 : S = 3.4). Caswell et al. 1984, PASAu, 5, 227. MOST at 843 MHz (43 â 77 ). Dubner et al. 1993, AJ, 105, 2251. VLA at 1.47 GHz (32 â 34 : S = 5.0 ± 0.3). Gray 1994, MNRAS, 270, 836. MOST at 843 MHz (43 â 77 ). Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.

1-GHz flux/Jy: 8 Spectral index: 0.5

Size/arcmin: 13 Type: S

G356.3 - 0.3
RA: 17h 34m 40s Dec: -32 14 Radio: Elongated shell, brighter in N.
References: Gray 1994, MNRAS, 270, 847. MOST at 843 MHz (43 â 81 : S = 2.6).

1-GHz flux/Jy: 3? Spectral index: ?

Size/arcmin: 7 â 11 Type: S

G356.3 - 1.5
RA: 17h 39m 20s Dec: -32 51 Radio: Double arc.
References: Gray 1994, MNRAS, 270, 847. MOST at 843 MHz (43 â 79 : S = 2.8).

1-GHz flux/Jy: 3? Spectral index: ?

Size/arcmin: 15 â 20 Type: S

1998 September


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Detailed listings

G357.7 - 0.1
RA: 17 37 15 Dec: -30 56
h m s

MSH 17-39
1-GHz flux/Jy: 37 Spectral index: 0.4 Size/arcmin: 3 â 8? Type: ?

Has been suggested that this is not a SNR. Radio: Multiple arcs and filaments. Point sources: Peripheral compact source (possibly a compact HII region).
References: Caswell et al. 1975, AuJPA, 37, 39. Molonglo at 408 MHz (3 : S = 54.2) and Parkes 64-m at 5 GHz (4 : S = 18.5). Milne & Dickel 1975, AuJPh, 28, 209. Parkes 64-m at 5 GHz (4 .4 : S = 14.6). Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2 .6). Caswell et al. 1980, MNRAS, 190, 881. FIRST at 1415 MHz (50 ). Weiler & Panagia 1980, A&A, 90, 269. Effelsberg 100-m at 9 GHz (1 .5) (private communication from Baker). Shaver et al. 1985, Natur, 313, 113. VLA at 1.4 GHz (3 .8 â 10 .9) and 5 GHz (12 â 26 ). Becker & Helfand 1985, Natur, 313, 115. VLA at 1.4 GHz and 5 GHz, suggest it is not a SNR, see Helfand & Becker 1985 Natur, 313, 118. Shaver et al. 1985, A&A, 147, L23. Observations of peripheral compact source. Caswell et al. 1989, PASAu, 8, 184. MOST at 843 MHz (43 â 83 ). Gray 1994, MNRAS, 270, 836. MOST at 843 MHz (43 â 84 ). Stewart et al. 1994, ApJ, 432, L39. ATCA at 4.79 and 5.84 GHz (12 â 22 ) and Effelsberg 100-m at 10.6 GHz (1 ), including polarization. Frail et al. 1996, AJ, 111, 1651. OH emission near remnant, including masers.

G357.7 + 0.3
RA: 17h 35m 20s Dec: -30 42 1-GHz flux/Jy: 10 Spectral index: 0.4? Size/arcmin: 24 Type: S

Radio: Non-thermal shell in complex region.
References: ¨ Reich & Furst 1984, A&AS, 57, 165. Effelsberg 100-m at 2.7 GHz (4 .3 : S = 7 ± 1.5), S(5000) = 5.5 ± 1.5 from surveys. Gray 1994, MNRAS, 270, 836. MOST at 843 MHz (43 â 84 ).

G359.0 - 0.9
RA: 17h 43m 35s Dec: -30 15 Radio: Incomplete shell.
References: Reich et al. 1988, in SNRISM, p293. Summary of parameters. Reich et al. 1990, A&AS, 85, 633. Effelsberg 100-m at 2.7 GHz (4 .3). Gray 1994, MNRAS, 270, 836. MOST at 843 MHz (43 â 86 ).

1-GHz flux/Jy: 23 Spectral index: 0.5

Size/arcmin: 23 Type: S

G359.1 - 0.5
RA: 17h 42m 20s Dec: -29 56 1-GHz flux/Jy: 14 Spectral index: 0.4? Size/arcmin: 24 Type: S

Radio: Non-thermal shell in complex region, crossed by the `snake'. Point sources: Several compact radio sources near centre, OH masers around edge.
References: Downes et al. 1979, A&AS, 35, 1. From observations by Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2 .6 : S = 13). ¨ Reich & Furst 1984, A&AS, 57, 165. Effelsberg 100-m at 2.7 GHz (4 .3 : S = 10 ± 1.5) and 4.8 GHz (2 .4 : S = 8.1 ± 0.5). Uchida et al. 1992, ApJ, 398, 128. VLA at 1.5 GHz (11 â 10 ), and observations of nearby molecular material. Uchida et al. 1992, AJ, 104, 1533. VLA at 1.4 GHz. Gray 1994, MNRAS, 270, 836. MOST at 843 MHz (43 â 85 ). Yusef-Zadeh et al. 1995, Sci, 270, 1801. VLA at 1.4 GHz (33 â 31 ), and 1.7 GHz for OH survey.

G359.1 + 0.9
RA: 17h 36m 25s Dec: -29 09 Radio: Shell, brightest in E.
References: Gray 1994, MNRAS, 270, 847. MOST at 843 MHz (43 â 88 : S = 4.3).

1-GHz flux/Jy: 5? Spectral index: ?

Size/arcmin: 11 â 12 Type: S

1998 September