G299.2−2.9
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- Right Ascension: 12 15 13
- Declination: −65 30
- Size (/arcmin): 18×11
- Type: S
- Flux density at 1 GHz (/Jy): 0.5?
- Spectral Index: ?
- Radio: Faint source.
- Optical: Filaments in W.
- X-ray: Centrally brightened with shell at higher energies.
- Distance: HI column density suggests about 2.8 kpc.
References:
- Busser et al. 1996, A&A, 310, L1. ROSAT detection, plus optical studies.
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- Slane et al. 1996, ApJ, 465, 840. Einstein, IRAS and radio observations.
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- Bai & Wang 2000, ApJ, 539, 760. ASCA observations.
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- Park et al. 2007, ApJ, 665, 1173. Chandra observations.
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- Post et al. 2014, ApJ, 792, L20. Chandra observations.
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- Shan et al. 2019, RAA, 19, 92. HI column density for distance.
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Last updated: 9 Dec 2022
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Dave Green / Cambridge, UK /