Note: this is an archived version which has been superseded.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

G84.2−0.8    

• Right Ascension: 20 53 20
• Declination: +43 27
• Size (/arcmin): 20×16
• Type: S
• Flux density at 1 GHz (/Jy): 11
• Spectral Index: 0.5

Radio: Elongated shell, with a filament aligned with the major axis.

X-ray: Detected.

Distance: HI absorption suggests 6 kpc.

References:

• Matthews et al. 1977, A&A, 55, 1. WSRT at 610 MHz (56''×81'': S=12.4±1.5 Jy) and Effelsberg 100-m at 2.7 GHz (4'.4: S=6.8±1.3 Jy). ADS
• Matthews & Shaver 1980, A&A, 87, 255. WSRT at 1415 MHz (23''×32''), and Effelsberg 100-m at 2.7 GHz (4'.4: S=5.6±0.5 Jy). ADS
• Feldt & Green 1993, A&A, 274, 421. DRAO at 1.4 GHz (1'×1'.5), including HI, plus CO observations. ADS
• Lorimer et al. 1998, A&A, 331, 1002. Pulsar search. ADS
• Uyanıker et al. 2003, ApJ, 585, 785. CGPS at 1.4 GHz (1') including polarisation. ADS
• Kaplan et al. 2004, ApJS, 153, 269. Chandra limits for any compact source. ADS
• Kothes et al. 2006, A&A, 457, 1081. CGPS at 408 MHz (~3': S=14.5±0.5 Jy) and 1420 MHz (~1': S=7.2±0.8 Jy), including review of flux densities. ADS
• Leahy & Green 2012, ApJ, 760, 25. CGPS, including HI, plus Chandra observations. ADS
• Jeong et al. 2012, Ap&SS, 342, 389. CO observations of region. ADS

Last updated: 28 Apr 2014