Note: this is an archived version which has been superseded.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

G318.9+0.4 ADS: search fulltext or title/keyword/abstract

• Right Ascension: 14 58 30
• Declination: −58 29
• Size (/arcmin): 30×14
• Type: C
• Flux density at 1 GHz (/Jy): 4?
• Spectral Index: 0.2?

Notes: May not be a SNR?

Radio: Complex arcs, with off-centre core.

Distance: Optical extinction suggests 3.5 kpc.

References:

• Whiteoak 1990, Nature, 347, 157. MOST at 843 MHz (43''×51''). ADS
• Whiteoak 1993, ApJ, 415, 701. MOST at 843 MHz (43''×51'': S=4.8±0.6 Jy), Parkes 64-m at 4.5 GHz (4.'7: S=3.7±0.2 Jy) and 8.4 GHz (2.'8: S=3.0±0.4 Jy) including polarisation, and ATCA at 1.4 GHz and 4.8 GHz (11''×13'') of core. ADS
• Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43''×50'': S=4.8 Jy). ADS
• Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations. ADS
• Wang et al. 2020, A&A, 639, A72. Optical extinction for distance. ADS

Last updated: 14 Dec 2022

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