G326.3−1.8     MSH 15−56

• Right Ascension: 15 53 00
• Declination: −56 10
• Size (/arcmin): 38
• Type: C
• Flux density at 1 GHz (/Jy): 145
• Spectral Index: varies

Notes: Has been called G326.2−1.7.

Radio: Shell, with elongated, flat-spectrum core.

Optical: Emission around the shell.

X-ray: Shell, with central extended emission.

Point sources: Compact X-ray source.

References:

• Clark et al. 1975, AuJPA, 37, 75. Molonglo at 408 MHz (3': S=180 Jy). ADS
• Caswell et al. 1975, A&A, 45, 239. Parkes HI absorption. ADS
• 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 Jy). ADS
• van den Bergh 1979, ApJ, 227, 497. Optical observations. ADS
• Zealey et al. 1979, A&AS, 38, 39. Optical observations. ADS
• Dennefeld 1980, PASP, 92, 603. Optical spectra. ADS
• Kesteven & Caswell 1987, A&A, 183, 118. MOST at 843 MHz (44''×53''). ADS
• Milne et al. 1989, PASA, 8, 187. MOST at 843 MHz (43''×52'': S=153±40 Jy), and Parkes 64-m at 8.4 GHz (3': S=68±5 Jy), including polarisation. ADS
• Seward 1990, ApJS, 73, 781. Einstein observations. ADS
• Kassim et al. 1993, ApJ, 419, 733. ROSAT image. ADS
• Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43''×52'': S>130). ADS
• Rosado et al. 1996, A&A, 315, 243. Optical kinematics. ADS
• Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations. ADS
• Dickel et al. 2000, ApJ, 543, 840. ATCA at 1.34 GHz (8".5×6".4: S>60 Jy), 4.80 GHz (3".8: S=25 Jy for core only) and 8.64 GHz (3".2: S=15 Jy for core only). ADS
• Temim et al. 2013, ApJ, 768, 61. XMM and Chandra observations. ADS
• Yatsu et al. 2013, ApJ, 773, 25. XMM and Chandra observations. ADS

Last updated: 25 Apr 2014