Note: this is an archived version which has been superseded. The current SNR catalogue is at http://www.mrao.cam.ac.uk/surveys/snrs/

G11.2-0.3

• Right Ascension: 18 08 30
• Declination: -19 26
• Size (arcmin): 4
• Type: C
• Flux density at 1 GHz (Jy): 22
• Spectral Index: 0.49

Notes: 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.

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'). ADS
• Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2'.6). ADS
• Downes 1984, MNRAS, 210, 845. VLA at 1465 MHz (20"×25") and HRI observations, with review of flux densities. ADS
• Becker et al. 1985, ApJ, 296, 461. VLA at 1.4 and 5 GHz, plus HI absorption, HRI and IPC observations. ADS
• Morsi & Reich 1987, A&AS, 71, 189. Effelsberg 100-m at 32 GHz (26".5: S=4.04±0.24). ADS
• Green et al. 1988, MNRAS, 231, 735. VLA at 1.4 and 5 GHz. ADS
• Kassim 1992, AJ, 103, 943. VLA at 327 MHz (3'.2×4'.1: S=39). ADS
• Reynolds et al. 1994, MNRAS, 271, L1. ROSAT image and spectra. ADS
• Vasisht et al. 1996, ApJ, 456, L59. ASCA observations. ADS

Last updated: 20 AUG 1996