Note: this is an archived version which has been superseded.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

G156.2+5.7

• Right Ascension: 04 58 40
• Declination: +51 50
• Size (/arcmin): 110
• Type: S
• Flux density at 1 GHz (/Jy): 5
• Spectral Index: 0.5

Radio: Faint shell, brighter in E and W.

Optical: Filamentary ring and smaller patchy ring.

X-ray: Faint shell.

Distance: Optical/X-ray observations imply >1.7 kpc.

References:

• Pfeffermann et al. 1991, A&A, 246, L28. ROSAT detection. ADS
• Reich et al. 1992, A&A, 256, 214. Effelsberg 100-m at 1.4 (9': S=4.2±1.0 Jy) and 2.7 GHz (4.'3: S=3.0±1.0 Jy), plus HI and IRAS. ADS
• Yamauchi et al. 1993, PASJ, 45, 795. Hard X-ray observations. ADS
• Lorimer et al. 1998, A&A, 331, 1002. Pulsar search. ADS
• Yamauchi et al. 1999, PASJ, 51, 13. ASCA observations of some regions. ADS
• Reich 2002, in NSPS, p1. Effelsberg 100-m at 2.7 GHz, including polarisation. ADS
• Pannuti & Allen 2004, AdSpR, 33, 434. ASCA and RXTE observations. ADS
• Kaplan et al. 2006, ApJS, 163, 344. X-ray upper limit on compact sources. ADS
• Kothes et al. 2006, A&A, 457, 1081. CGPS at 408 MHz (~3': S=8.1±1.3 Jy), including review of flux densities. ADS
• Xu et al. 2007, A&A, 470, 969. Urumqi 25-m at 4.8 GHz (9.'5: S=2.5±0.5 Jy), including polarisation. ADS
• Gerardy & Fesen 2007, MNRAS, 376, 929. Optical observations. ADS
• Katsuda et al. 2009, PASJ, 61, S155. Suzaku observations. ADS
• Uchida et al. 2012, PASJ, 64, 61. Suzaku observations. ADS
• Katsuda et al. 2016, ApJ, 826, 108. Multi-epoch Hα observations for expansion. ADS

Last updated: 13 May 2017

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