G309.8+0.0 ADS: search title/keyword/abstract or fulltext

• Right Ascension: 13 50 30
• Declination: −62 05
• Size (/arcmin): 25×19
• Type: S
• Flux density at 1 GHz (/Jy): 17
• Spectral Index: 0.5

Radio: Distorted shell.

Point sources: Steep radio spectrum source near the centre of the remnant.

Distance: Optical extinction suggests 3.1 kpc.

References:

• Clark et al. 1975, AuJPA, 37, 1. Molonglo at 408 MHz (3′: S=26.4 Jy) and Parkes 64-m at 5 GHz (4′: S=7.4 Jy). ADS
• Caswell et al. 1980, MNRAS, 190, 881. FIRST at 1415 MHz (1′). ADS
• Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43″×49″: S>8.8). 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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