G312.4−0.4 ADS: search title/keyword/abstract or fulltext

• Right Ascension: 14 13 00
• Declination: −61 44
• Size (/arcmin): 38
• Type: S
• Flux density at 1 GHz (/Jy): 45
• Spectral Index: 0.36

Notes: Has been called G312.44−0.36.

Radio: Irregular, incomplete shell.

X-ray: Weak emission in W.

Point sources: Nearby γ-ray sources and pulsars.

Distance: HI absorption suggests >6 kpc and possibly >14 kpc, optical extinction suggests 4.4 kpc.

References:

• Caswell & Barnes 1985, MNRAS, 216, 753. Molonglo at 408 MHz (3′: S=56 Jy). ADS
• Whiteoak et al. 1994, MNRAS, 269, 294. MOST at 843 MHz. ADS
• Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43″×49″: S>19), plus Parkes 64-m at 4.5 GHz (S=30±2 Jy) and 8.55 GHz (S=17±4 Jy). ADS
• Frail et al. 1996, AJ, 111, 1651. OH emission near remnant. ADS
• Roberts et al. 1999, ApJ, 515, 712. MOST at 843 MHz (43″×49″). ADS
• Case & Bhattacharya 1999, ApJ, 521, 246. Nearby γ-ray sources. ADS
• Doherty et al. 2003, MNRAS, 339, 1048. ATCA at 1.4 GHz (25″) plus HI absorption, and Chandra observations. ADS
• Wang et al. 2020, A&A, 639, A72. Optical extinction for distance. ADS
• Chambery et al. 2023, ApJ, 959, 97. Fermi observations. ADS

Last updated: 12 Mar 2024

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