Note: this is an archived version which has been superseded.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

G55.0+0.3 ADS: search fulltext or title/keyword/abstract

• Right Ascension: 19 32 00
• Declination: +19 50
• Size (/arcmin): 20×15?
• Type: S
• Flux density at 1 GHz (/Jy): 0.5?
• Spectral Index: 0.5?

Notes: Has been called G55.2+0.5.

Radio: Faint, partial shell.

Point sources: Old pulsar nearby.

Distance: Association with HI features implies 14 kpc, optical extinction suggests 10.2 kpc.

References:

• Taylor et al. 1992, AJ, 103, 931. WSRT at 327 MHz (1.'0×2.'5), and northern sky survey at 4.9 GHz. ADS
• Matthews et al. 1998, ApJ, 493, 312. WSRT at 327 MHz (1.'0×2.'9: S=0.98±0.15 Jy), DRAO at 1.4 GHz (1.'0×2.'9: S=0.25±0.12 Jy), plus HI observations. ADS
• Reach et al. 2006, AJ, 131, 1479. Spitzer possible detection. ADS
• Wang et al. 2020, A&A, 639, A72. Optical extinction for distance. ADS
• Dokara et al. 2021, A&A, 651, A86. VLA at 4 to 8 GHz (18'') including polarisation, and Spitzer observations. ADS

Last updated: 20 Dec 2022

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