Note: this is an archived version which has been superseded.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

G21.5−0.1    

• Right Ascension: 18 30 50
• Declination: −10 09
• Size (/arcmin): 5
• Type: S
• Flux density at 1 GHz (/Jy): 0.4
• Spectral Index: 0.5

Notes: Has been called G21.56−0.10.

Radio: Partial shell.

X-ray: Detected.

References:

• Sugizaki et al. 2001, ApJS, 134, 77. ASCA observations. ADS
• Brogan et al. 2006, ApJ, 639, L25. VLA at 330 MHz (42'': S=0.5±0.1 Jy), plus other observations. ADS

Last updated: 2006 March 29