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A Catalogue of Galactic Supernova Remnants
(2009 March version)

D. A. Green
Cavendish Laboratory 19 J. J. Thomson Avenue Cambridge CB3 0HE UNITED KINGDOM E-mail: D.A.Green@mrao.cam.ac.uk Please cite the following paper for the summary data from this catalogue: · Green D. A., 2009, Bulletin of the Astronomical Society of India, 37, 45. If you make use of the detailed version of the catalogue, then please also cite: · Green D. A., 2009, `A Catalogue of Galactic Supernova Remnants (2009 March version)', Cavendish Laboratory, Cambridge, UK (available on the World-Wide-Web at "http://www.mrao.cam.ac.uk/surveys/snrs/").

1. The Catalogue Format
This catalogue of Galactic supernova remnants (SNRs) is an updated version of those presented in detail in Green (1984, 1988) and in summary form in Green (1991, 1996, 2004) ­ hereafter Versions I, II, III, IV and V respectively ­ and on the World-Wide-Web, in versions of 1995 July, 1996 August, 1998 September, 2000 August, 2001 December, 2004 January and 2006 April. (Version IV, although published in 1996, was produced in 1993, and a detailed version of this was made available on the World-Wide-Web in 1993 November. The summary data from the 2001 December version of the catalogue was also published as an Appendix in Stephenson & Green 2002.) This, the 2009 March version of the catalogue, contains 274 SNRs (which is 9 more than in the previous, 2006 April, version: 10 new remnants have been added, and 1 has been removed, see below), with over a thousand references in the detailed listings, plus notes on many possible or probable remnants. For each remnant in the catalogue the following parameters are given. · Galactic Coordinates of the source centroid, quoted to the nearest tenth of a degree as is conventional. (Note: in this catalogue additional leading zeros are not used.) · Other Names that are commonly used for the remnant. These are given in parentheses if the remnant is only a part of the source. For some remnants, notably the Crab Nebula, not all common names are given. · Right Ascension and Declination of the source centroid. The accuracy of the quoted values depends on the size of the remnant; for small remnants they are to the nearest few seconds of time and the nearest minute of arc respectively, whereas for larger remnants they are rounded to coarser values, but are in every case sufficient to specify a point within the boundary of the remnant. These coordinates are usually deduced from radio maps rather than from X-ray or optical observations, and are for J2000.0.

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· Angular Size of the remnant, in arcminutes, usually taken from the highest resolution radio map available. The boundary of most remnants approximates reasonably well to a circle or an ellipse. A single value is quoted for the angular size of the more nearly circular remnants, which is the diameter of a circle with an area equal to that of the remnant. For elongated remnants the product of two values is quoted, and these are the major and minor axes of the remnant boundary modelled as an ellipse. In a few cases an ellipse is not a satisfactory description of the boundary of the object (refer to the description of the individual object given in its catalogue entry), although an angular size is still quoted for information. For `filled-centre' remnants the size quoted is for the largest extent of the observed radio emission, not, as at times has been used by others, the half-width of the centrally brightened peak. · Flux Density of the remnant at 1 GHz in jansky. This is not a measured value, but is deduced from the observed radio-frequency spectrum of the source. The frequency of 1 GHz is chosen because flux density measurements at frequencies both above and below this value are usually available. · Spectral Index of the integrated radio emission from the remnant, (here defined in the sense, S ­ , where S is the flux density at a frequency ), either a value that is quoted in the literature, or one deduced from the available integrated flux densities of the remnant. For several SNRs a simple power law is not adequate to describe their radio spectra, either because there is evidence that the integrated spectrum is curved or the spectral index varies across the face of the remnant. In these cases the spectral index is given as `varies' (refer to the description of the remnant and appropriate references in the detailed catalogue entry for more information). In some cases, for example where the remnant is highly confused with thermal emission, the spectral index is given as `?' since no value can be deduced with any confidence. · Type of the SNR: `S' or `F' if the remnant shows a `shell' or `filled-centre' structure, or `C' if it shows `composite' (or `combination') radio structure with a combination of shell and filled-centre characteristics; or `S?', `F?' or `C?', respectively, if there is some uncertainty; or `?' in several cases where an object is conventionally regarded as an SNR even though its nature is poorly known or not well-understood. Until recently only a few remnants were classified as composite remnants, as available observations were only able to identify the more obvious pulsar-powered, flatter radio spectrum filled-centre components within shells. However, in recent years improved observations ­ particularly in X-rays with the Chandra satellite ­ have identified many faint, pulsar powered nebulae in what until then had been identified as pure shell remnants. (Note: the term `composite' has been used in a different sense, by some authors, to describe SNRs with shell radio and centrally-brightened X-ray morphologies. An alternative term used to describe such remnants is `mixed morphology', see Rho & Petre 1998.) In the detailed listings, for each remnant, notes on a variety of topics are given. First, it is noted if other Galactic coordinates have at times been used to label it (usually before good observations have revealed the full extent of the object), if the SNR is thought to be the remnant of a historical SN, or if the nature of the source as an SNR has been questioned (in which case an appropriate reference is usually given later in the entry). Brief descriptions of the remnant from the available radio, optical and X-ray observations as applicable are then given, together with notes on available distance determinations, and any point sources or pulsars in or near the object (although they may not necessarily be related to the remnant). Finally, appropriate references to observations are given for each remnant, complete with journal, volume, page, and a short description of what information each paper contains (for radio observations these include the telescopes used, the observing frequencies and resolutions, together with any flux density determinations). These references are not complete, but cover representative and recent observations of the remnant ­ up to the first the end of 2008 in this version of the catalogue ­ and they should themselves include references to earlier work. The references do not generally include large observational surveys ­ of particular interest in this respect are: the Effelsberg 100-m survey at 2.7 GHz of the Galactic plane 358 < l < 240 , |b| < 5 by ¨ Reich et al. (1990) and Furst et al. (1990a); reviews of the radio spectra of some SNRs by Kassim (1989), Kovalenko, Pynzar' & Udal'tsov (1994) and Trushkin (1998); the Parkes 64-m survey at 2.4 GHz of the Galactic plane 238 < l < 365 , |b| < 5 by Duncan et al. (1995) and Duncan et al. (1997); the Molonglo Galactic plane survey at 843 MHz of 245 < l < 355 , |b| < 15 by Green et al. (1999); the survey of 345 < l < 255 , |b| < 5 at 8.35 and . 14.35 GHz by Langston et al. (2000); MAGPIS, see White, Becker & Helfand (2005) and Helfand et al. (2006); the VLA Galactic Plane Survey, see Stil et al. (2006); surveys of IRAS observations of SNRs and their immediate surroundings by Arendt (1989) and by Saken, Fesen & Shull (1992); the survey of HI emission towards SNRs by Koo & Heiles (1991); the SPITZER survey of inner galaxy SNRs by Reach et al. (2006); and the catalogue by Fesen & Hurford (1996) of UV/optical/infra-red lines identified in SNRs.

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A summary of the data available for all 274 remnants in the catalogue is given in Table I. The other names for SNRs are listed in Table II, and the abbreviations for journals, proceedings and telescopes are listed in Table III. The detailed listings for each SNR are given in Table IV.

2. Revisions and Notes 2.1 Objects no longer thought to be SNRs
The following objects, which were listed in Version I of the catalogue were removed because they were no longer thought to be remnants, or were poorly observed (see Version II for references and further details): G2.4+1.4 (see also Gray 1994a; Goss & Lozinskaya 1995; Polcaro et al. 1995), G41.9­4.1 (=CTB 73, PKS 1920+06), G47.6+6.1 (=CTB 63), G53.9+0.3 (part of HC40), G93.4+1.8 (=NRAO 655), G123.2+2.9, G194.7+0.4 (the Origem Loop), G287.8­0.5 (see below), G322.3­1.2 (=Kes 24) and G343.0­6.0 (but see below). G358.4­1.9, which was listed in Version IV of the catalogue, was removed, as following the discussion of Gray (1994a), as it is not clear that this is a SNR. G240.9­0.9, G299.0+0.2 and G328.0+0.3, which were listed in 1995 July version of the catalogue, were removed from the 1996 August version, following the improved observations of Duncan et al. (1996) and Whiteoak & Green (1996). For the 1998 September revision of the catalogue G350.0­1.8 was incorporated into G350.0­2.0, and G337.0­0.1 refers to a smaller remnant than that previously catalogued with the same name. G112.0+1.2, G117.4+5.0, G152.2­1.2 and G211.7­1.1 ­ which were reported as SNRs by Bonsignori-Facondi & Tomasi (1979) ­ were removed from the 2001 December version of the catalogue, as the first three of these are not confirmed as SNRs from the ongoing Canadian Galactic Plane Survey (Roland Kothes, private communication; but see below for further discussion of another proposed remnant, G213.0­0.6). G10.0­0.3, which was regarded as a remnant ­ possibly associated with a soft-gamma repeater ­ was removed from the 2004 January version of the catalogue, as it is now thought to be radio nebula powered by a stellar wind (see Gaensler et al. 2001, Corbel & Eikenberry 2004, and references therein). G166.2+2.5 (=OA 184) was removed from the 2006 April version of the catalogue, as it was identified as an HII region by Foster et al. (2006). G84.9+0.5 was removed from this version of the catalogue, as it was identified as an HII region by Foster et al. (2007) (see also Kothes et al. 2006). The following objects, which have been reported as SNRs, but have not been included in any of the versions of the SNR catalogue, have subsequently been shown not to be SNRs. · G70.7+1.2, which was reported as a SNR by Reich et al. (1985), but this has not been confirmed by later observations (see Green 1986; de Muizon et al. 1988; Becker & Fesen 1988; Caswell 1988; Bally et al. 1989; Phillips, Onello & Kulkarni 1993; Onello et al. 1995; Cameron & Kulkarni 2007). · G81.6+1.0 a possible SNR in W75 reported by Ward-Thompson & Robson (1991). From the published data (see the observations in Wendker, Higgs & Landecker 1991) it was noted in Version IV of the catalogue that this is thermal source not a SNR, because of its thermal radio spectrum, and high infrared-to-radio emission (see also the subsequent discussion by Wendker et al. 1993). · Green & Gull (1984) suggested G227.1+1.0 as a very young SNR, but subsequent observations (Channan et al. 1986; Green & Gull 1986) have shown that this is most likely an extragalactic source, not an SNR. · A candidate SNR, G274.7­2.8, identified by Helfand & Channan (1989), has been shown not to be a SNR by Caswell & Stewart (1991). · G159.6­18.5, was suggested as a SN by Pauls & Schwartz (1989), from IRAS and other observations, but is probably an HII region (see Andersson et al. 2000). · G25.5+0.2, which was reported as a very young SNR by Cowan et al. (1989), although this identification was not certain (see White & Becker 1990; Green 1990; Zijlstra 1991). Sramek et al. (1992) report the detection of recombination lines from this source (also see Subrahmanyan et al. 1993). Becklin et al. (1994) identify G25.5+0.2 as a ring nebula around a luminous blue star. See also Clark, Steele & Langer (2000), and Phillips & Ramos-Larios (2008) who identified G25.5+0.2 as a possible symbiotic outflow. · Several of the possible SNRs listed by Gorham (1990) ­ following up SNR candidates suggested by Kassim (1988) ­ have been shown not to be SNRs by Gorham, Kulkarni & Prince (1993). · G203.2­12.3, a optical ring about 3 arcmin in diameter, was reported as a possible SNR by Winkler & Reipurth (1992), but was shown to be a Herbig­Haro object (HH 311) by Reipurth, Bally & Devine (1997).

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· G359.87+0.18 was reported as a possible young SNR near the Galactic Centre by Yusef-Zadeh, Cotton & Reynolds (1998), but was shown to be a radio galaxy by Lazio et al. (1999). · G104.7+2.8, a possible SNR suggested by Green & Joncas (1994), which instead appears to be an HII region, based on the improved observations by Kothes et al. (2006). · G106.6+2.9, a small remnant proposed by Halpern et al. (2001), is incorporated into the larger catalogued remnant G106.3+2.7. · Leahy, Tian & Wang (2008) proposed that a large radio shell, G53.9+0.2, as a possible SNR. As noted above, this feature was included, as G53.9+0.3 (part of HC40), in Version I of the catalogue, but was subsequently removed, following the discussions of Caswell (1985) who concluded is was a thermal source (see also Velusamy, Goss & Arnal 1986) ­ results which Leahy et al. ignored. Some entries in the catalogue have been renamed, due to improved observations revealing a larger true extent for the object (previously G5.3­1.0 is now G5.4­1.2; G193.3­1.5 is now G192.8­1.1; G308.7+0.0 is now incorporated into G308.8­0.1). G337.0­0.1 now refers to a small (1.5 arcmin) remnant, rather than larger supposed remnant at this position (see Sarma et al. 1997), and G350.0­2.0 now incorporates the previously catalogued G350.0­1.8, based on the improved observations of Gaensler (1998).

2.2 New SNRs
The following remnants were added to Version II of the catalogue: G0.9+0.1, G1.9+0.3, G5.9+3.1, G6.4+4.0, G8.7­0.1, G16.8­1.1, G18.9­1.1, G20.0­0.2, G27.8+0.6, G30.7+1.0, G31.5­0.6, G36.6­0.7, G42.8+0.6, G45.7­0.4, G54.1+0.3, G73.9+0.9, G179.0+2.6, G312.4­0.4, G357.7+0.3 and G359.1­0.5. The following remnants were added to Version III of the catalogue: G4.2­3.5, G5.2­2.6, G6.1+1.2, G8.7­5.0, G13.5+0.2, G15.1­1.6, G16.7+0.1, G17.4­2.3, G17.8­2.6, G30.7­2.0, G36.6+2.6, G43.9+1.6, G59.8+1.2, G65.1+0.6, G68.6­1.2, G69.7+1.0, G279.0+1.1, G284.3­1.8 (=MSH 10­53), G358.4­1.9 and G359.0­0.9 (although, as noted above, G358.4­1.9 was subsequently removed). The following remnants were added to Version IV of the catalogue: G59.5+0.1, G67.7+1.8, G84.9+0.5, G156.2+5.7, G318.9+0.4, G322.5­0.1, G343.1­2.3 and G348.5­0.0 (although, as noted above, G84.9+0.5 was subequently removed). The following remnants were added to 1995 July version of the catalogue: G1.0­0.1, G1.4­0.1, G3.7­0.2, G3.8+0.3, G28.8+1.5, G76.9+1.0, G272.2­3.2, G341.2+0.9, G354.1+0.1, G355.6­0.0, G356.3­0.3, G356.3­1.5 and G359.1+0.9. The following remnants were added to the 1996 August version of the catalogue: G13.3­1.3, G286.5­1.2, G289.7­0.3, G294.1­0.0, G299.2­2.9, G299.6­0.5, G301.4­1.0, G308.1­0.7, G310.6­0.3, G310.8­0.4, G315.9­0.0, G317.3­0.2, G318.2+0.1, G320.6­1.6, G321.9­1.1, G327.4+1.0, G329.7+0.4, G342.1+0.9, G343.1­0.7, G345.7­0.2, G349.2­0.1, G351.7+0.8, G351.9­0.9 and G354.8­0.8. The following remnants were added to the 1998 September version of the catalogue: G0.3+0.0, G32.1­0.9, G55.0+0.3, G63.7+1.1 and G182.4+4.3. The following remnants were added to the 2000 August version of the catalogue: G7.0­0.1, G16.2­2.7, G29.6+0.1, G266.2­1.2 and G347.3­0.5. The following remnants were added to the 2001 December version of the catalogue: G4.8+6.2, G28.6­0.1, G85.4+0.7, G85.9­0.6, G106.3+2.7, G292.2­0.5, G343.0­6.0, G353.9­2.0, G356.2+4.5 and G358.0+3.8. G312.5­3.0 was added to the 2004 January version of the catalogue. The following remnants were added to the 2006 April version of the catalogue: G5.5+0.3, G6.1+0.5, G6.5­0.4, G7.2+0.2, G8.3­0.0, G8.9+0.4, G9.7­0.0, G9.9­0.8, G10.5­0.0, G11.0­0.0, G11.1­0.7, G11.1­1.0, G11.1+0.1, G11.8­0.2, G12.2+0.3, G12.5+0.2, G12.7­0.0, G12.8­0.0, G14.1­0.1, G14.3+0.1, G15.4+0.1, G16.0­0.5, G16.4­0.5, G17.0­0.0, G17.4­0.1, G18.1­0.1, G18.6­0.2, G19.1+0.2, G20.4+0.1, G21.0­0.4, G21.5­0.1, G32.4+0.1, G96.0+2.0, G113.0+0.2 and G337.2+0.1. The following remnants have been added to this version of the catalogue. · G83.0­0.3, which had been suggested as a SNR by Taylor, Wallace & Goss (1992), and is now included in the catalogue following improved observations by Kothes et al. (2006) which confirm its nature. · G108.2­0.6 identified by Tian, Leahy & Foster (2007). · G315.1+2.7 and G332.5­5.6 ­ which had been suggested as SNR candidates by Duncan et al. (1995, 1997) ´ ­ have been confirmed as SNRs by further observations reported by Stupar, Parker & Filipovic (2007) and Reynoso & Green (2007) respectively.

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· G327.2­0.1 a shell remnant found around the magnetar 1E 1547.0­5408, see Gelfand & Gaensler (2007). · G350.1­0.3 was listed in early versions of the catalogue, but was removed (in Version III), as observations by Salter et al. (1986) did not allow a clear identification of the nature of this source. Recently Gaensler et al. (2008) have presented new observations of this source, including HI absorption absorption observations which indicate it is Galactic, which ­ along with other observations, including its X-ray emission ­ support an SNR identification. However, its structure at radio wavelengths is rather different from other known remnants. · G353.6­0.7 a shell remnant associated with HESS J1731­347 identified by Tian et al. (2008). · Three sources ­ G355.4+0.7, G358.1+0.1, G358.5­0.9 ­ which had been identified as possible SNRs by Gray (1994b), have now been added to the catalogue, following further observations by Roy & Bhatnagar (2006) which confirm their nature.

2.3 Possible and probable SNRs not listed in the catalogue
The following are possible or probable SNRs for which further observations are required to confirm their nature or parameters, or for which observations are not yet in the published literature. 2.3.1 Radio · G35.6­0.4 was listed in some early catalogues of Galactic SNRs (e.g. Milne 1970), but was identified as a likely thermal source instead by Caswell & Clark (1975). However, from VGPS and other data, this may in fact be a SNR (Green 2009). · A possible SNR near the Galactic centre reported by Ho et al. (1985) from radio observations (see also Coil & Ho 2000; Lu, Wang & Lang 2003; Senda, Murakami & Koyama 2003, and references therein). · Gosachinski (1985) reported evidence for non-thermal radio emission, presumably from SNRs, associated i with several bright, thermal Galactic sources. Some of these sources have been included in the catalogue, following improved observations (but also see Odegard 1986, who questions the reliability of some of Gosachinski s results). i' · G300.1+9.4, a possible SNR nearly 2 in diameter reported by Dubner, Colomb & Giacani (1986). · Routledge & Vaneldik (1988) report a possible faint radio shell SNR nearly 2 in diameter, near the young ´ ´ pulsar PSR 1930+22 ­ see also Gomez-Gonzalez & del Romero (1983), who report a smaller (about 40 arcmin) possible SNR (G57.1+1.7) associated with this pulsar, and see Caswell, Landecker & Feldman (1985) and Kovalenko (1989). · Gorham (1990) lists many SNR candidates from the Clark Lake 30.9 MHz survey of the first quadrant, following Kassim (1988), although several have been shown not to be SNRs by Gorham, Kulkarni & Prince (1993). Gorham et al. do report a poorly defined possible remnant G41.4+1.2. See also Aharonian et al. (2008) for observations of - and X-ray emission possibly associated with one of the candidates (G44.6+0.1) listed by Gorham. · Four possible remnants (G45.9­0.1, G71.6­0.5, G72.2­0.3 and G85.2­1.2) of the eleven reported by Taylor, Wallace & Goss (1992) from a radio survey of part of the Galactic plane (see also Kothes et al. 2006). (Five of the other possible SNRs reported by Taylor et al., are included in the catalogue as G55.0+0.3, G59.5+0.1, G63.7+1.1, G76.9+1.0 and G83.0­0.2, following improved observations which have confirmed their nature.) · G356.6+0.1, G357.1­0.2, G358.7+0.7, G359.2­1.1, G3.1­0.6 and G4.2+0.0, which are among the possible SNRs listed by Gray (1994b) from radio observations near the Galactic centre. See also Roy & Pramesh Rao (2002) who present additional observations of G356.3­0.3, G356.6+0.1, G357.1­0.2 and G3.1­0.6 which they consider as possible SNRs, and Bhatnagar (2002) for additional observations of G4.2+0.0 which appears to be a thermal source. · Duncan et al. (1995) and Duncan et al. (1997) list several large-scale (1.5 to 10 degree), and smaller, low radio surface-brightness candidate SNRs from the Parkes 2.4-GHz survey of 270 < l < 360 . Several of these candidates have been confirmed as SNRs by subsequent, improved observations, and are included in the catalogue. (See also Camilo et al. 2004a, who detected a young pulsar near one of these candidate SNRs, G309.8­2.6, and Russeil et al. 2005, who detected optical filaments from another).

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· Whiteoak & Green (1996), from their radio survey of much of the southern Galactic plane, list several possible SNRs (G308.4­1.4, G317.5+0.9, G319.9­0.7, G320.6­0.9, G322.7+0.1, G322.9­0.0, G323.2­1.0, G324.1+0.1, G325.0­0.3, G331.8­0.0, G337.2+0.1, G339.6­0.6, G345.1+0.2, G345.1­0.2, and G348.8+1.1). See also Schaudel et al. (2002) and Hui & Becker (2007) for X-ray observations of G308.3­1.4 and G319.9­0.7 respectively. · Several candidate SNRs reported by Combi & Romero (1998), Combi, Romero & Arnal (1998), Combi, Romero & Benaglia (1998), Punsly et al. (2000) and Combi et al. (2001). · A possible SNR, near l = 313 , which is close to an unidentified Galactic plane -ray source (see Roberts et al. 1999), and to a pulsar (Roberts, Romani & Johnston 2001). See also Aharonian et al. (2006a). · G359.07­0.02, a possible SNR noted by LaRosa et al. (2000). · A possible SNR near G6.4­0.1 (=W28) noted by Yusef-Zadeh et al. (2000). · Gaensler et al. (2000), in a search for pulsar wind nebulae, found a small shell of radio emission near PSR B1356­60 ­ which they designate G311.28+1.09 ­ which may be a supernova remnant. · A possible SNR, G328.6­0.0, noted by McClure-Griffiths et al. (2001) in the test region of the Southern Galactic Plane Survey. · G346.5­0.1, an arc of radio emission observed by Gaensler et al. (2001), which is potentially part of a SNR, but requires further observations to confirm its nature. · Giacani et al. (2001) presented observations of a pulsar wind nebula around PSR J1709­4428, which may be part of the catalogued remnant G343.1­2.3, or may represent another object. · Several possible SNRs reported by Trushkin (2001), which were identified from Galactic radio surveys (one of which, G6.1+0.5, is included in the catalogue, due to improved subsequent observations). · Two possibles SNRs (G336.1­0.2 and G352.2­0.1) discussed briefly by Manchester et al. (2002). · G282.8­1.2, a possible young SNR noted by Misanovic, Cram & Green (2002). · Three possible remnants ­ G41.5+0.4, G42.0­0.0 and G43.5+0.6 ­ identified by Kaplan et al. (2002). · Two faint SNR candidates shown in Reich (2002). ¨ · A possible faint remnant, G213.0­0.6, noted by Reich, Zhang & Furst (2003), which is not well defined by current observations (this incorporates one of the faint remnants which was proposed by Bonsignori-Facondi & Tomasi 1979, see above). · G107.5­1.5, a probable remnant identified at by Kothes (2003), but the full extent of which is not well defined at present (see also Kothes et al. 2006). · Zhang (2003) identified four candidate SNRs from radio surveys. One of these ­ called G41.9+0.04 by Zhang ­ is close to one of the possible remnant by Kaplan et al. (2002), see above. A second ­ G74.8+0.63 ­ which Zhang identified as a possible remnant partly on the basis of its non-thermal radio spectrum, actually has a flat, thermal radio spectrum, an has long been identified as an HII region (e.g. Weiler & Shaver 1978; Pineault & Chastenay 1990). Another of the sources ­ G47.8+2.03 ­ also may have a thermal radio spectrum, ¨ given its published 2.7-GHz flux density (Furst et al. 1990b). · Brogan et al. (2006) identify 35 new SNRs in the region 45 < l < 22 , |b| < 125, of which the 31 . . which are classed as `I' or `II' (i.e. those thought to be very or fairly confidently identified as SNRs) were included in the 2006 version of the catalogue. Four other possible SNRs ­ labelled G5.71­0.08, G6.31+0.54, G15.51­0.15 and G19.13+0.90 ­ which comprise Brogan et al.'s class `III', are not included in the catalogue, as further observations are required to confirm their nature and better define their parameters. · Helfand et al. (2006) list many SNR candidates in the region 5 < l < 32 , |b| < 08 from MAGPIS. Many . of these correspond to sources in Brogan et al., and several are included in the catalogue, with the others requiring further observations. · A likely shell SNR G64.5+0.9, noted by Tian & Leahy (2006), see also Hurley-Walker et al. (2009). · Mart´ et al. (2007), report extended radio emission near the X-ray source KS 1741­293 near the Galactic i centre which may be a SNR (see also Cherepashchuk 1994). · A poorly defined possible SNR, near l = 151 , b = 3 has been reported by Kerton, Murphy & Patterson (2007). · Roberts & Brogan (2008) propose a new SNR, G8.7­1.7, from non-thermal radio emission near an pulsar wind nebula, although currently the extent of the remnant is not well defined.

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2.3.2 UV/Optical/Infra-red · A possible SNR overlapping G296.1­0.5, identified from optical (and X-ray) observations by Hutchings, Crampton & Cowley (1981). · Winkler et al. (1989) report a possible small (4 arcmin) SNR within the Puppis A remnant, from optical observations. This has not been detected at radio wavelengths (see Dubner et al. 1991). · A possible SNR (G32.1+0.1) reported from optical spectroscopy by Thompson, Djorgovski & de Carvalho (1991), following up radio and infrared observations of Jones, Garwood & Dickey (1988), although this appears to have a thermal radio spectrum. · G75.5+2.4, a possible large (about 2 ) old SNR in Cygnus suggested by Nichols-Bohlin & Fesen (1993) from infra-red and optical observations (see also Dewdney & Lozinskaya 1994; Marston 1996; Esipov et al. 1996; Kothes et al. 2006). · A possible optical SNR (G247.8+4.9) noted by Weinberger (1995), which may be Balmer dominated (see also Weinberger et al. 1998 and Zanin & Kerber 2000). · An optical shell around the Coalsack Nebula (near l = 300 , b = 0 ) identified by Walker & Zealey (1998). This coincides with one of the large possible SNRs suggested by Duncan et al. (1995), from radio observations. · Two possible SNRs, G340.5+0.7 and G342.1+0.1, identified by Walker, Zealey & Parker (2001) from filaments seen in H survey observations. · A probable SNR which was identified by Bally & Reipurth (2001) ­ which they label as G110.3+11.3 ­ from optical filaments (and which is also associated with a large HI and CO cavity, and soft X-ray enhancement). · A possible remnant, near l = 70 , b = 2 noted by Mavromatakis & Strom (2002), for which Kothes et al. (2006) do not find any radio counterpart. · Optical filaments in Pegausus (Boumis et al. 2002) which suggest one or more possible SNRs. · A possible remnant identified from optical filaments to the NE of the known SNR G116.5+1.1, as observed by Mavromatakis et al. (2005). · A suggested small, young remnant observed by Spitzer (Morris et al. 2006). · Russell et al. (2007) report a small (about 7 arcmin in extent) optical ring, which is very faint at radio wavelengths, which is just to the NW of Cyg X-1, which may be a SNR if it is not associated with Cyg X-1 (see also Gallo et al. 2005). ´ · Stupar, Parker & Filipovic (2008) report several SNRs identified from H observations, several of which correspond to SNR candidates first suggested by Duncan et al. (1995, 1997) from radio observations. The full extent of most of these are not well defined, but two are currently included in the main catalogue (G315.1+2.7, and G332.5­5.6). 2.3.3 X-ray/-ray · H1538­32 a large X-ray source in Lupus, near l = 307 , b = +20 (Riegler, Agrawal & Gull 1980; see also Colomb, Dubner & Giacani 1984; Gahm et al. 1990) which is a possible old SNR; · G189.6+3.3, a faint, possible SNR overlapping G189.1+3.0 (=IC443) identified by Asaoka & Aschenbach (1994) from ROSAT X-ray observations. · G117.7+0.6, a faint shell of soft X-ray emission near G116.9+0.2 (=CTB 1), which contains a pulsar (Hailey & Craig 1995; see also Craig, Hailey & Pisarski 1997, Esposito et al. 2008 and Kothes et al. 2006). · A possible SNR identified in X-rays around the pulsar B1828­13 (see Finley, Srinivasan & Park 1996). · A possible, large SNR, G69.4+1.2, identified as an X-ray shell by Yoshita, Miyata & Tsunemi (1999, 2000). See also Mavromatakis, Boumis & Paleologou (2002) and Kothes et al. (2006). · Possible SNRs identified in the ROSAT All-Sky Survey are discussed briefly by Schaudel et al. (2002). · G0.570­0.018 a small ring of X-ray emission near the Galactic Centre, which has been proposed as a very young remnant by Senda, Murakami & Koyama (2002). See also Senda, Murakami & Koyama (2003), who identify other possible SNRs near the Galactic Centre from their X-ray emission, Renaud et al. (2006) and Mori et al. (2008).

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· Two probable SNRs (G25.5+0.0 and G26.6­0.1) identified by Bamba et al. (2003) from their hard X-ray emission. · Ueno et al. (2004) identify several candidate SNRs in the first quadrant from the ASCA Galactic Plane Survey (see also Yamuguchi et al. 2004). Two of these are included in the catalogue (as G28.6­0.1 and G32.4+0.1), as additional observations confirm their nature. · A possible SNR identified from X-ray and -ray observations (Malizia et al. 2005). · Cui & Konopelko (2006) identify an extended X-ray source near l = 84, b = +01. . . · An excess of Fe X-ray line emission in Sgr B, near l = 061, b = 001 may be from a SNR (Koyama et al. . . 2007). · Nobukawa et al. (2008) report a region of X-ray emission, G0.42­0.04, near the Galactic centre, which may be part of a SNR. 2.3.4 Other · G287.8­0.5, which is associated with Carinae, was catalogue in Version II as its parameters are uncertain Kaufmann 1991; and the discussion in Version II). · G359.2­0.8 (the `mouse'), near the Galactic centre, central region of G69.0+2.7 (=CTB 80) by Predehl & Camilo et al. 2002). listed in Version I as a SNR, but was removed from the (see Jones 1973; Retallack 1984; Tateyama, Strauss & which has been suggested as being analogous to the Kulkarni (1995), i.e. a pulsar powered nebula (see also

It should also be noted that: (a) some large radio continuum and HI loops in the Galactic plane (e.g. Berkhuijsen 1973) may be parts of very large, old SNRs, but they have not been included in the catalogue (see also Combi et al. 1995; Maciejewski et al. 1996; Kim & Koo 2000; Normandeau et al. 2000; Woermann, Gaylard & Otrupcek 2001; Stil & Irwin 2001; Uyaniker & Kothes 2002; Olano, Meschin & Niemela 2006), also see Koo, Kang & Salter (2006) and Kang & Koo (2007) who identify faint Galactic HI features at forbidden velocities as indicators of old, otherwise undetectable SNRs; (b) some large (> 10 ) regions of X-ray emission that are indicative of a SNR are not included in the catalogue (e.g. the Monogem ring, near l = 203 , b = +12 , see Nousek et al. 1981, Plucinsky et al. 1996, Thorsett et al. 2003, Amenomori et al. 2005, and references therein, plus Weinberger, Temporin & Stecklum 2006, for observations of optical filaments; in the Gum Nebula near l = 250 , b = 0 , see Leahy, Nousek & Garmire 1992, and also see Reynolds 1976, Dubner et al. 1992, Duncan et al. 1996, Reynoso & Dubner 1997, Heiles 1998; in Eridanus near l = 200 , b = ­40 , see Naranan et al. 1976, Burrows et al. 1993, Snowden et al. 1995, Heiles 1998, Boumis et al. 2001, Ryu et al. 2006); a large approximately 24 diameter, X-ray and optical loop in Antlia, see McCullough, Fields & Pavlidou 2002, Shinn et al. 2007); (c) the distinction between filledcentre remnants and pulsar wind nebulae (PWNe) is not clear, and isolated, generally faint, pulsar wind nebulae are also not included in the catalogue. Kaspi, Roberts & Harding (2006) provide a catalogue of PWNe (see also http://www.physics.mcgill.ca/~pulsar/pwncat.html, and Camilo et al. 2004b, Aharonian et al. 2005, Hessels et al. 2005, Aharonian et al. 2006b, Gonzalez et al. 2006, Wang, Lu & Gotthelf 2006, Aharonian et al. 2007, Hinton et al. 2007, Bhattacharyya 2008, Gotthelf & Halpern 2008, Muno et al. 2008).

2.4 Questionable SNRs listed in the catalogue
As noted in Versions II and IV of the catalogue, the following sources are listed as SNRs, although, as discussed in each case, the identifications are not certain: G5.4­1.2, G39.7­2.0 (=W50), G69.0+2.7 (=CTB 80), G318.9+0.4 and G357.7­0.1. The nature of G76.9+1.0 (an unusual radio source similar to G65.7+1.2), and of G354.1+0.1 (which may be similar to G357.7­0.1 (=MHS 17­39)) are also uncertain (see Landecker, Higgs & Wendker 1993 and Frail, Goss & Whiteoak 1994). There are also some objects that have been identified as SNRs and are listed in the catalogue, although they have been barely resolved in the available observations, or are faint, and have not been well separated from confusing background or nearby thermal emission, and their identification as SNRs, or at least their parameters remain uncertain.

Acknowledgements
This research has made use of NASA's Astrophysics Data System Bibliographic Services.

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2009 March


Table I l b RA (J2000.0) Dec (h m s) ( ) 17 17 17 17 17 17 17 17 18 17 17 18 18 17 17 17 17 18 17 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 45 46 47 48 49 48 55 52 08 30 33 07 02 57 47 57 54 00 45 02 01 01 17 04 24 05 03 07 05 10 09 10 14 12 09 11 10 12 12 11 44 15 21 30 39 45 26 55 55 42 25 30 10 04 20 29 55 30 10 11 50 07 25 34 10 30 58 22 08 41 08 04 03 46 47 27 47 25 11 17 ­29 ­28 ­28 ­28 ­27 ­27 ­25 ­25 ­27 ­21 ­21 ­25 ­24 ­24 ­22 ­23 ­23 ­23 ­21 ­23 ­22 ­22 ­24 ­21 ­23 ­21 ­21 ­20 ­20 ­20 ­19 ­19 ­19 ­19 ­19 ­19 ­19 ­18 ­18 ­18 size /arcmin type

­I­ Flux at 1 GHz/Jy 100? 22 18? 15 2? 0.6 2.3 3? 3.2? 19 3 2.6? 35? 5.5 3.3? 4.5 4.0? 310 1.3? 27 2.5? 2.8 11 1.2 4.4 80 9 3.7 3.9 6.7 0.9 1.3 5.8 1.0 2.3 22 6 0.7 3.5 0.8 spectral index 0.8? 0.6 varies 0.6? ? 0.6 0.65 0.6 0.6? 0.64 0.6 0.6? 0.2? 0.7 0.4? 0.9 0.3? varies 0.4? 0.6 0.5? 0.6 0.32 0.6 0.3 0.5 0.6 0.6 0.5 0.4 0.6 0.6 0.6 0.7 0.4 0.6 0.5 0.3 0.7 0.7 other name(s) Sgr A East

Summary listings

0.0 +0.0 0.3 +0.0 0.9 +0.1 1.0 ­0.1 1.4 ­0.1 1.9 +0.3 3.7 ­0.2 3.8 +0.3 4.2 ­3.5 4.5 +6.8 4.8 +6.2 5.2 ­2.6 5.4 ­1.2 5.5 +0.3 5.9 +3.1 6.1 +0.5 6.1 +1.2 6.4 ­0.1 6.4 +4.0 6.5 ­0.4 7.0 ­0.1 7.2 +0.2 7.7 ­3.7 8.3 ­0.0 8.7 ­5.0 8.7 ­0.1 8.9 +0.4 9.7 ­0.0 9.8 +0.6 9.9 ­0.8 10.5 ­0.0 11.0 ­0.0 11.1 ­1.0 11.1 ­0.7 11.1 +0.1 11.2 ­0.3 11.4 ­0.1 11.8 ­0.2 12.0 ­0.1 12.2 +0.3

00 3.5 â 2.5 38 15 â 8 09 8 09 8 46 10 10 50 28 03 29 34 45 54 00 16 25 05 26 22 34 54 38 04 49 48 26 03 35 14 43 47 25 46 38 12 25 05 44 37 10 1.5 14 â 11 18 28 3 18 18 35 15 â 12 20 18 â 12 30 â 26 48 31 18 15 12 22 5â4 26 45 24 15 â 11 12 12 6 11 â 9 18 â 12 11 â 7 12 â 10 4 8 4 7? 6â5

S S C S S S S S? S S S S C? S S S F C S S S S S S S S? S S S S S S S S S C S? S ? S

Kepler, SN1604, 3C358

Milne 56

W28

1814­24

(W30)

2009 March


Table I l b RA (J2000.0) Dec (h m s) ( ) 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 12 13 13 19 14 15 15 24 18 18 21 29 22 20 25 21 30 23 32 24 25 23 29 24 28 27 31 33 30 32 33 34 33 38 34 41 39 43 39 44 14 19 37 20 14 52 58 00 02 52 56 40 38 56 20 57 55 08 50 34 55 58 50 56 07 51 12 33 50 45 15 45 03 43 10 19 50 55 00 52 ­17 ­17 ­17 ­18 ­17 ­16 ­16 ­16 ­15 ­15 ­15 ­16 ­14 ­14 ­14 ­14 ­14 ­13 ­14 ­13 ­12 ­12 ­12 ­12 ­11 ­11 ­10 ­10 ­10 ­10 ­09 ­08 ­08 ­07 ­07 ­04 ­04 ­03 ­02 ­02 55 54 49 00 12 34 27 34 27 02 size /arcmin 6â5 6 3 70 â 40 5â4 6 5 30 15 7 â â â â â 5 4 24 14 5 type

­ II ­ Flux at 1 GHz/Jy 0.6 0.8 0.8 ? 3.5? 0.5 0.6 5.5? 5.6 5 2.7 2 4.6 3.0 2? 0.5 4.8? 0.4 4.0? 4.6 1.4 33 37 10 10 3.1 1.1 6? 0.4 69 33 70 8? 8 20? 6 30 3? ? 1.5? spectral index 0.4 0.8 0.5 ? 1.0? 0.6 0.4 0.8? 0.6 0.6? 0.6 0.5 0.7 0.6 ? 0.5 0.8? 0.7 0.3? 0.5 0.4 0.4 varies 0.5 0.0 0.4 0.6 0.0 0.5 0.5 0.6 0.5 0.3 0.5 0.2? 0.68 varies ? 0.4? 0.5? other name(s)

Summary listings

12 12 12 13 13 14 14 15 15 15 16 16 16 16 16 17 17 17 17 18 18 18 18 19 20 20 21 21 21 21 22 23 23 24 24 27 27 28 28 29

.5 +0.2 .7 ­0.0 .8 ­0.0 .3 ­1.3 .5 +0.2 .1 ­0.1 .3 +0.1 .1 ­1.6 .4 +0.1 .9 +0.2 .0 ­0.5 .2 ­2.7 .4 ­0.5 .7 +0.1 .8 ­1.1 .0 .4 .4 .8 .1 ­0.0 ­2.3 ­0.1 ­2.6 ­0.1

C? S C? S? S S S S S S? S S S C ? S S S S S S S C? S F S S C S S S? S ? S? C? S F S S? S

14 15 08 55 20 46 30 08 52 46 39 11 50 23 58 07 35 00 47 35 09 08 13 48 13 32 05 56 24 53 55 57

â 10 17 13 4 â 24?

5 24? 6 24 8 6 17 â 11 33 27 10 8 9â7 4 5 20 26 27 10? 15? 30 â 15 4 50 â 30 13 â 9 100? 5

.6 ­0.2 .8 +0.3 .9 ­1.1 .1 +0.2 .0 ­0.2 .4 +0.1 .0 ­0.4 .5 ­0.9 .5 ­0.1 .8 ­0.6 .7 ­0.2 .3 ­0.3 .6 +0.3 .7 ­0.6 .7 +0.6 .4 .8 .6 .8 .6 +0.0 +0.6 ­0.1 +1.5 +0.1

Kes 67

Kes 69

W41

4C­04.71

2009 March


Table I l b RA (J2000.0) Dec (h m s) ( ) 18 18 18 18 18 19 18 18 18 18 18 18 19 18 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 20 19 20 46 54 44 51 49 06 53 50 51 53 52 56 00 48 04 12 07 07 07 11 05 16 18 23 38 30 33 32 21 34 42 38 47 54 33 52 54 08 53 02 25 25 00 10 25 00 10 05 25 50 48 00 35 49 08 20 10 34 20 08 50 25 10 50 50 31 20 00 20 59 33 55 52 40 00 10 32 40 20 40 ­02 ­02 ­01 ­01 ­00 ­03 ­01 ­00 ­00 ­00 +00 +01 +02 +04 +05 +04 +06 +07 +09 +09 +10 +11 +12 +14 +17 +18 +18 +19 +21 +21 +23 +24 +27 +28 +31 +29 +31 +30 +32 +32 59 54 32 31 55 00 08 25 08 02 size /arcmin 3 16 24 â 18 18? 7â5 60? 40? 6 17 18 type

­ III ­ Flux at 1 GHz/Jy 10 0.5? 6 2? 24 22? ? 0.25? 11? 3.5 22 230 ? 0.7? 18 85? 11 22 3? 38 8.6? 4.2? 14 160? 8 0.5 28 0.5? 1.4 1.8? 3? 1.6 1.8 5.5 52? 5.1 1.0 0.7? 120? 2.0 spectral index 0.7 0.7? 0.4 ? 0.49 0.5? ? ? 0.2? varies 0.5 0.37 ? 0.5? 0.6 0.7? 0.5 0.48 0.5? 0.48 0.2? 0.4? 0.5 0.3? 0.75 0.1 0.5 0.5? 0.6 ? ? 0.5 0.3 0.61 0.6? varies 0.5 0.0? varies 0.7 DA 495 other name(s) Kes 75

Summary listings

29 30 30 31 31 32 32 32 32 33 33 34 36 36 39 39 40 41 42 43 43 45 46 49 53 54 54 55 55 57 59 59 63 65 65 65 67 68 69 69

.7 ­0.3 .7 ­2.0 .7 +1.0 .5 ­0.6 .9 +0.0 .0 ­4.9 .1 ­0.9 .4 +0.1 .8 ­0.1 .2 ­0.6 .6 +0.1 .7 ­0.4 .6 ­0.7 .6 +2.6 .2 ­0.3 .7 ­2.0 .5 ­0.5 .1 ­0.3 .8 +0.6 .3 ­0.2 .9 +1.6 .7 ­0.4 .8 ­0.3 .2 ­0.7 .6 ­2.2 .1 .4 .0 .7 .2 .5 .8 .7 .1 .3 .7 .7 .6 .0 .7 +0.3 ­0.3 +0.3 +3.4 +0.8 +0.1 +1.2 +1.1 +0.6 +5.7 +1.2 +1.8 ­1.2 +2.7 +1.0

C ? S? S? S S? C? S S? S S C S? S C ? S S S S S? S S S? S F? S S S S? S ? F S S? F S ? ? S

3C391 3C396.1

Kes 78

41 10 22 35 â 27 56 25? 26 17 â 13? 28 8â6 55 120 â 60 31 22 08 4.5 â 2.5 05 24 06 4â3 30 09 09 06 14 60? 22 17 â 13 30 33 â 28

Kes 79, 4C00.70, HC13 W44, 3C392

3C396, HC24, NRAO 593 W50, SS433 3C397 W49B

(HC30) (W51) 3C400.2, NRAO 611

52 1.5 56 40 50 20 â 15? 44 23 57 12? 35 15 19 20 â 16? 45 8 35 90 â 50 10 310 â 240 26 29 37 55 43 22 15 â 12 23 80? 16 â 14

(HC40)

(4C21.53)

CTB 80

2009 March


Table I l b RA (J2000.0) Dec (h m s) ( ) 20 20 20 20 20 20 20 20 20 20 20 20 21 21 21 22 22 23 23 23 23 23 23 00 00 01 01 02 02 04 05 05 05 05 06 05 06 06 06 06 14 51 16 22 20 19 46 53 50 58 45 52 29 24 30 27 53 01 23 36 37 53 59 06 25 22 28 05 17 58 01 26 53 39 08 34 17 09 39 48 15 00 02 20 50 00 55 20 40 40 00 25 20 50 30 30 40 35 26 35 00 40 10 40 18 00 20 41 40 40 00 30 40 00 10 31 00 20 00 40 +36 +30 +37 +38 +40 +45 +42 +43 +45 +44 +50 +55 +50 +51 +53 +60 +58 +58 +58 +61 +61 +63 +62 +72 +64 +64 +63 +64 +62 +51 +46 +42 +31 +27 +29 +22 +22 +17 +06 +06 size /arcmin type

­ IV ­ Flux at 1 GHz/Jy 9 210 9 1.2 320 120? 1 11 ? ? 220 9 65 13 0.3 6 8 22 2720 ? 5.5 10 8 36 56 6 12 33 45 5 110 7 7 65 1.2 1040 160 20? 160 6 spectral index 0.23 varies varies 0.60 0.51 0.5? 0.4 0.5 0.2 0.2 0.38 0.45 0.65 0.48 0.5 0.6 0.5 0.50 0.77 ? 0.5 0.5 0.61 0.6 0.65 0.5 0.45 0.07 0.6 0.5 0.64 0.37 0.4 varies 0.4 0.30 0.36 0.6? 0.5 0.5 other name(s)

Summary listings

73 74 74 76 78 82 83 84 85 85 89 93 93 94 96 106 108 109 111 113 114 116 116 119 120 126 127 130 132 156 160 166 179 180 182 184 189 192 205 206

.9 .0 .9 .9 .2

+0.9 ­8.5 +1.2 +1.0 +2.1

12 27 40 230 â 160 12 8â6 43 9 26 60 30 52 27 22 53 95 â 65 9â7 20 â 16 24? 24

S? S F ? S S S S S S S C? S S S C? S S S ? S S S S S S? S F S S S S S? S S F C S S S?

Cygnus Loop CTB 87 DR4, Cygni SNR W63

.2 +5.3 .0 ­0.3 .2 ­0.8 .4 +0.7 .9 ­0.6 .0 .3 .7 .0 .0 +4.7 +6.9 ­0.2 +1.0 +2.0

35 120 â 90 21 27 â 20 50 80 53 30 â 25 59 26 50 60 50 70 53 48 22 40 55 15 26 45 09 15 10 49 45 50 â 24 â 54 28 5 â 17?

HB21 DA 530, 4C(T)55.38.1 CTB 104A, DA 551 3C434.1

.3 +2.7 .2 ­0.6 .1 ­1.0 .7 ­2.1 .0 +0.2 .3 .5 .9 .5 .1 .2 .1 .7 .7 .2 .9 .0 .0 .0 .4 +0.3 +1.1 +0.2 +10.2 +1.4 +1.6 +0.5 +3.1 +1.3 +5.7 +2.6 +4.3 +2.6 ­1.7 +4.3

CTB 109 Cassiopeia A, 3C461

90 â 55 80 â 60 34 90? 8 70 45 9â5 80 110

CTB 1 CTA 1 Tycho, 3C10, SN1572

R5 3C58, SN1181 HB3

40 140 â 120 56 55 â 35 05 70 50 180 00 50 01 34 20 30 26 7â5 45 78 220 60 â 40

HB9 VRO 42.05.01 S147

.6 ­5.8 .1 +3.0 .8 ­1.1 .5 +0.5 .9 +2.3

Crab Nebula, 3C144, SN1054 IC443, 3C157 PKS 0607+17 Monoceros Nebula PKS 0646+06

2009 March


Table I l b RA (J2000.0) Dec (h m s) ( ) 08 09 08 08 09 09 10 10 11 11 11 11 11 11 11 11 12 11 12 12 12 12 12 12 13 13 13 13 13 13 14 14 14 14 14 14 14 14 14 14 22 04 34 52 06 57 18 35 01 03 11 24 19 35 36 51 09 58 12 13 15 21 37 45 05 37 42 46 50 58 00 05 13 21 24 43 35 38 41 49 10 20 00 00 50 40 15 40 15 05 54 36 20 00 10 10 40 30 40 41 13 45 55 55 59 37 30 31 30 00 00 38 00 00 30 00 55 25 30 40 ­43 ­38 ­45 ­46 ­52 ­53 ­59 ­59 ­60 ­60 ­60 ­59 ­61 ­60 ­61 ­62 ­52 ­62 ­62 ­62 ­65 ­63 ­63 ­62 ­62 ­63 ­62 ­62 ­62 ­62 ­62 ­61 ­61 ­64 ­57 ­62 ­60 ­60 ­60 ­59 00 42 50 20 07 15 00 42 18 56 38 16 28 54 38 34 25 35 52 37 30 09 49 08 42 size /arcmin 60 â 50 40 â 30 255 120 15? 95 24? 26 â 6 18 â 14 19 â 14 15 â 13 12 â 8 20 â 15 20 40 37 â 25 90 â 65 20 â 14 5? 12 â 9 18 â 11 13 37 â 23 17 8 type

­V­ Flux at 1 GHz/Jy 130 10? 1750 50? 0.4 30? 11? 1.4? 6.2 42 16 15 7 5? >2? 8? 48 9 5? 5? 0.5? 1.0? 2.1? 5? 14 1.2? 15? 7? 17 5? 6? 3? 45 3.5? ? 49 8 0.8? 20? 4.7? spectral index 0.5 0.4? varies 0.3? 0.6 0.6? 0.3? ? 0.2? 0.4 0.29 0.4 0.5 0.6? ? 0.6? 0.5 0.6 0.4? 0.3 ? ? ? 0.4? 0.5 ? 0.4? 0.4? 0.5 ? ? 0.5 0.36 ? ? 0.6 0.4 ? 0.4 ? other name(s)

Summary listings

260 261 263 266 272 279 284 286 289 290 291 292 292 293 294 296 296 296 298 298 299 299 301 302 304 308 308 309 309 310 310 311 312 312 315 315 315 315 316 317

.4 ­3.4 .9 +5.5 .9 ­3.3 .2 ­1.2 .2 ­3.2 .0 +1.1 .3 ­1.8 .5 ­1.2 .7 ­0.3 .1 ­0.8 .0 ­0.1 .0 +1.8 .2 ­0.5 .8 +0.6 .1 ­0.0 .1 ­0.5 .5 +10.0 .8 ­0.3 .5 ­0.3 .6 ­0.0 .2 ­2.9 .6 ­0.5 .4 ­1.0 .3 +0.7 .6 +0.1 .1 ­0.7 .8 ­0.1 .2 ­0.6 .8 +0.0 .6 ­0.3 .8 ­0.4 .5 ­0.3 .4 ­0.4 .5 ­3.0 .1 +2.7 .4 .4 .9 .3 .3 ­2.3 ­0.3 ­0.0 ­0.0 ­0.2

S S C S S? S S S? S S C C S C S S S S ? S S S S S S S C? S S S S S S S S S ? S S S

Puppis A, MSH 08­44 Vela (XYZ) RX J0852.0­4622

MSH 10­53

MSH 11­61A (MSH 11­62) MSH 11­54

PKS 1209­51/52 1156­62

Kes 17

04 13 23 30 â 20? 54 15 â 12 05 25 â 19 09 8 17 58 44 12 20 50 190 30 36 11 00 46 12 5 38 â 18 â 150

Kes 20B Kes 20A

42 24 â 13 25 â 14 29 â 14 11

RCW 86, MSH 14­63

(MSH 14­57)

2009 March


Table I l b RA (J2000.0) Dec (h m s) ( ) 14 14 15 15 15 15 15 15 15 15 15 15 15 15 15 16 15 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 17 17 54 58 14 17 23 20 23 28 53 54 50 48 46 02 55 01 10 01 13 17 15 43 27 32 35 39 35 32 39 37 41 41 46 47 47 55 54 50 25 08 50 30 30 50 45 40 23 42 00 25 55 20 48 50 30 20 00 06 17 33 20 20 45 11 57 28 55 39 01 59 00 09 31 41 35 01 50 43 00 00 ­59 ­58 ­59 ­59 ­58 ­57 ­57 ­56 ­56 ­55 ­54 ­53 ­53 ­41 ­53 ­52 ­40 ­51 ­50 ­51 ­50 ­54 ­48 ­47 ­47 ­47 ­47 ­46 ­46 ­46 ­46 ­46 ­44 ­44 ­43 ­44 ­43 ­43 ­46 ­44 04 29 08 16 13 34 06 21 10 09 18 49 20 56 17 18 00 34 53 02 42 30 47 19 36 51 20 36 59 24 34 19 39 34 47 01 53 04 30 16 size /arcmin 40 â 35 30 â 14 35 60 â 30 28 31 â 23 15 13 38 18 5 21 14 30 5 40 â 33 180? 11 12 10 15 35 21 14 â 10 1.5 6 3â2 15 â 12 9â6 15? 8 9 10 â 7 6 22 â 16 7 12 â 9 10 â 9 250 32? type

­ VI ­ Flux at 1 GHz/Jy >3.9? 4? 60? ? >3.4? 13 1.5 3? 145 7? 0.4 30? 1.9? 19 15 >34? 350? 5? 8? 28 26 2? 16 6 1.5 1.5 1.5? 16 18 4? 7? 12? 5 5? 1.5? 2.5 3.5? 0.5? ? 8? spectral index ? 0.2? 0.4 ? ? 0.3 0.4 0.4? varies ? ? 0.6 ? 0.6 0.0 ? 0.5? 0.3 0.5 0.5 0.5 0.7? 0.5 0.5 0.6? 0.4 ? 0.55 0.5 0.4 ? ? 0.4 0.4? 0.6? 0.5 0.4? ? ? 0.5? other name(s)

Summary listings

318 318 320 320 321 321 322 323 326 327 327 327 327 327 328 329 330 330 332 332 332 332 335 336 337 337 337 337 337 338 338 338 340 340 341 341 342 342 343 343

.2 +0.1 .9 +0.4 .4 ­1.2 .6 ­1.6 .9 ­1.1 .9 ­0.3 .5 ­0.1 .5 +0.1 .3 ­1.8 .1 ­1.1 .2 .4 .4 .6 .4 .7 .0 .2 .0 .4 ­0.1 +0.4 +1.0 +14.6 +0.2 +0.4 +15.0 +1.0 +0.2 ­0.4

S C C S S S C S C C S S S S F S S S? S S S S S S S S ? S S S C? ? S S C S S S S C?

MSH 15­52, RCW 89

MSH 15­56

Kes 27 SN1006, PKS 1459­41 (MSH 15­57)

Lupus Loop

RCW 103 MSH 16­51, Kes 32

.4 +0.1 .5 ­5.6 .2 +0.1 .7 +0.5 .0 ­0.1 .2 ­0.7 .2 +0.1 .3 +1.0 .8 ­0.1 .1 +0.4 .3 .5 .4 .6 .2 ­0.0 +0.1 +0.4 +0.3 +0.9

(CTB 33)

Kes 40 Kes 41

.9 ­0.3 .0 ­0.2 .1 +0.9 .0 ­6.0 .1 ­2.3

RCW 114

2009 March


Table I l b RA (J2000.0) Dec (h m s) ( ) 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 17 00 03 07 10 13 15 14 13 17 17 27 17 22 21 28 27 32 38 30 36 31 35 45 19 37 42 40 38 26 37 46 46 45 39 25 51 20 19 50 26 06 55 15 59 50 40 27 00 52 40 00 55 28 00 20 16 53 00 56 35 29 35 00 00 10 50 30 36 ­43 ­41 ­40 ­40 ­39 ­38 ­38 ­38 ­38 ­37 ­38 ­37 ­36 ­35 ­36 ­35 ­34 ­35 ­33 ­33 ­32 ­32 ­33 ­29 ­32 ­32 ­30 ­30 ­28 ­29 ­30 ­30 ­29 ­29 14 42 53 11 45 28 32 11 04 26 32 24 11 27 16 07 44 11 46 42 26 38 43 40 16 52 58 44 36 59 40 16 57 11 size /arcmin 27 â 21 10 6 8 65 â 55 10? 15 17? 9â6 2.5 â 2 45 4? 7 18 â 14 12 â 9 8â6 30 13 15 â 3? 19 25 8â6 13 25 11 â 7 20 â 15 8 â 3? 24 38 20 17 23 24 12 â 11 type

­ VII ­ Flux at 1 GHz/Jy 7.8 2.5? 0.6? 8? ? 10? 72 26 1.4? 20 26 6? 5? 10 1.8? 4 2.5? 1? ? 2.8? 5? 3? 8 4 3? 3? 37 10 1.5? 2? 4? 23 14 2? spectral index 0.55 0.5 ? 0.5? ? 0.4? 0.3 0.3 ? 0.5 0.4 0.8? 0.4 0.5? ? 0.6 ? 0.5? varies ? ? ? 0.5 0.7 ? ? 0.4 0.4? ? ? ? 0.5 0.4? ? other name(s)

Summary listings

343 344 345 346 347 348 348 348 349 349 350 350 351 351 351 352 353 353 354 354 355 355 355 356 356 356 357 357 358 358 358 359 359 359

.1 .7 .7 .6 .3

­0.7 ­0.1 ­0.2 ­0.2 ­0.5

S C? S S S? S? S S S S S ? C? S S S S S C? S S S S S S S ? S S S S S S S

.5 ­0.0 .5 +0.1 .7 +0.3 .2 ­0.1 .7 +0.2 .0 ­2.0 .1 ­0.3 .2 +0.1 .7 +0.8 .9 ­0.9 .7 ­0.1 .6 ­0.7 .9 ­2.0 .1 +0.1 .8 ­0.8 .4 +0.7 .6 ­0.0 .9 ­2.5 .2 +4.5 .3 ­0.3 .3 ­1.5 .7 ­0.1 .7 +0.3 .0 +3.8 .1 +0.1 .5 ­0.9 .0 ­0.9 .1 ­0.5 .1 +0.9

CTB 37A CTB 37B

MSH 17­39

2009 March


Table II

Other names for SNRs

Cygni SNR G78.2+2.1 1156­62 G296.8­0.3 1814­24 G7.7­3.7 3C10 3C58 3C144 3C157 3C358 3C391 3C392 3C396 3C396.1 3C397 3C400.2 3C434.1 3C461 4C­04.71 4C00.70 (4C21.53) 4C(T)55.38.1 G120.1+1.4 G130.7+3.1 G184.6­5.8 G189.1+3.0 G4.5+6.8 G31.9+0.0 G34.7­0.4 G39.2­0.3 G32.0­4.9 G41.1­0.3 G53.6­2.2 G94.0+1.0 G111.7­2.1 G27.4+0.0 G33.6+0.1 G57.2+0.8 G93.3+6.9

HB3 G132.7+1.3 HB9 G160.9+2.6 HB21 G89.0+4.7 HC13 HC24 (HC30) (HC40) G33.6+0.1 G39.2­0.3 G46.8­0.3 G54.4­0.3

NRAO 593 G39.2­0.3 NRAO 611 G53.6­2.2 PKS 0607+17 PKS 0646+06 PKS 1209­51/52 PKS 1459­41 G192.8­1.1 G206.9+2.3 G296.5+10.0 G327.6+14.6

Puppis A G260.4­3.4 IC443 G189.1+3.0 R5 G127.1+0.5 Kepler G4.5+6.8 Kes 17 Kes 20A Kes 20B Kes 27 Kes 32 Kes 40 Kes 41 Kes 67 Kes 69 Kes 75 Kes 78 Kes 79 G304.6+0.1 G310.6­0.3 G310.8­0.4 G327.4+0.4 G332.4+0.1 G337.3+1.0 G337.8­0.1 G18.8+0.3 G21.8­0.6 G29.7­0.3 G32.8­0.1 G33.6+0.1 RCW 86 RCW 89 RCW 103 RCW 114 G315.4­2.3 G320.4­1.2 G332.4­0.4 G343.0­6.0

RX J0852.0­4622 G266.2­1.2 S147 G180.0­1.7 SN1006 SN1054 SN1181 SN1572 SN1604 G327.6+14.6 G184.6­5.8 G130.7+3.1 G120.1+1.4 G4.5+6.8

CTA 1 G119.5+10.2 CTB 1 (CTB 33) CTB 37A CTB 37B CTB 80 CTB 87 CTB 104A CTB 109 G116.9+0.2 G337.0­0.1 G348.5+0.1 G348.7+0.3 G69.0+2.7 G74.9+1.2 G93.7­0.2 G109.1­1.0

Lupus Loop G330.0+15.0 SS433 G39.7­2.0 MSH 08­44 MSH 10­53 MSH 11­54 MSH 11­61A (MSH 11­62) (MSH 14­57) MSH 14­63 MSH 15­52 MSH 15­56 (MSH 15­57) MSH 16­51 MSH 17­39 G260.4­3.4 G284.3­1.8 G292.0+1.8 G290.1­0.8 G291.0­0.1 G316.3­0.0 G315.4­2.3 G320.4­1.2 G326.3­1.8 G328.4+0.2 G332.4+0.1 G357.7­0.1 Sgr A East G0.0+0.0 Tycho G120.1+1.4 Vela (XYZ) G263.9­3.3 VRO 42.05.01 G166.0+4.3 W28 (W30) W41 W44 W49B W50 (W51) W63 G6.4­0.1 G8.7­0.1 G23.3­0.3 G34.7­0.4 G43.3­0.2 G39.7­2.0 G49.2­0.7 G82.2+5.3

Cassiopeia A G111.7­2.1 Crab Nebula G184.6­5.8 Cygnus Loop G74.0­8.5 DA 495 G65.7+1.2 DA 530 G93.3+6.9 DA 551 G93.7­0.2 DR4 G78.2+2.1

Milne 56 G5.4­1.2 Monoceros Nebula G205.5+0.5

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Table III Journals AdSpR A&A A&AS AJ AN ApJ ApJS ApL ApS&S ARep AuJPA AuJPh BASI ChJAA JApA JPhCS MNRAS NuPhS PASAu PASJ PASP RMxAA SerAJ SvAL

Abbreviations used in detailed listings

Advances in Space Research Astronomy & Astrophysics Astronomy & Astrophysics Supplement Astronomical Journal Astronomische Nachrichten Astrophysical Journal Astrophysical Journal Supplement Astrophysical Letters Astrophysics & Space Science Astronomy Reports Australian Journal of Physics Astrophysical Supplement Australian Journal of Physics Bulletin of the Astronomical Society of India Chinese Journal of Astronomy & Astrophysics Journal of Astrophysics & Astronomy Journal of Physics Conference Series Monthly Notices of the Royal Astronomical Society Nuclear Physics B Proceedings Supplements Proceedings of the Astronomical Society of Australia Publications of the Astronomical Society of Japan Publications of the Astronomical Society of the Pacific Revista Mexicana de Astronom´ y Astrof´ ia isica Serbian Astronomical Journal Soviet Astronomy Letters

Proceedings SNRISM is `Supernova Remnants and the Interstellar Medium', (IAU Colloquium 101), eds Roger R. S. & Landecker T. L., (Cambridge University Press), 1988. NSPS is `Neutron Stars, Pulsars, and Supernova Remnants', (MPE Report 278), eds Becker W., Lesch H. & ¨ ¨ ¨ Trumper J., (Max-Plank-Institut fur extraterrestrische Physik, Garching bei Munchen), 2002. XRRC is `X-Ray and Radio Connections', eds Sjouwerman L. O. & Dyer K. K., (available at http://www.aoc.nrao.edu/events/xraydio/), 2005. Radio Telescopes/Surveys ATCA Australia Telescope Compact Array BIMA Berkeley­Illinois­Maryland Array CLFST Cambridge Low Frequency Synthesis Telescope DRAO Dominion Radio Astrophysical Observatory FIRST Fleurs Synthesis Telescope GBT Green Bank Telescope MOST Molonglo Observatory Synthesis Telescope NRAO National Radio Astronomy Observatory NRO Nobeyama Radio Observatory TPT Clark Lake Teepee-Tee telescope VLA Very Large Array VRO Vermillion River Observatory WSRT Westerbork Synthesis Radio Telescope (C/S/V)GPS (Canadian/Southern/VLA) Galactic Plane Survey Satellites HST ISO ASCA EXOSAT ROSAT XMM Hubble Space Telescope Infrared Space Observatory Advanced Satellite for Cosmology and Astrophysics European X-ray Observatory Satellite ¨ Rontgensatellit X-ray Multi-Mirror(-Newton)
2009 March