Note: this is an archived version which has been superseded.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

G85.4+0.7 ADS: search fulltext or title/keyword/abstract

• Right Ascension: 20 50 40
• Declination: +45 22
• Size (/arcmin): 24?
• Type: S
• Flux density at 1 GHz (/Jy): ?
• Spectral Index: 0.2

Radio: Faint, incomplete shell, within larger thermal shell.

X-ray: Centrally brightened.

Distance: HI observations suggest 3.5 kpc, optical absorption suggests 4.4 or 3.8 kpc.

References:

• Kothes et al. 2001, A&A, 376, 641. CGPS at 408 MHz (2.'8×4.'4: S<0.45 Jy) and 1.4 GHz (0.'8×1.'1), plus HI and X-ray data. ADS
• Kothes et al. 2006, A&A, 457, 1081. CGPS at 408 MHz (~3': S=2.9±0.5 Jy) and 1420 MHz (~1': S=2.3±0.2 Jy), including review of flux densities. ADS
• Jackson et al. 2008, ApJ, 674, 936. XMM-Newton and HI observations. ADS
• Jeong et al. 2012, Ap&SS, 342, 389. CO observations of region. ADS
• Shan et al. 2018, ApJS, 238, 35. Optical absorption for distance. ADS
• Wang et al. 2020, A&A, 639, A72. Optical extinction for distance. ADS

Last updated: 14 Dec 2022

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