Note: this is an
archived version which has been superseded. The current SNR
catalogue is at
http://www.mrao.cam.ac.uk/surveys/snrs/
G31.9+0.0
3C391
- Right Ascension: 18 49 25
- Declination: −00 55
- Size (/arcmin): 7×5
- Type: S
- Flux density at 1 GHz (/Jy): 24
- Spectral Index: 0.49
- Radio: Shell, brightest in NW, with low frequency turnover.
- X-ray: Diffuse with central core.
- Distance: HI absorption is seen to the tangent point (8.5 kpc).
References:
- Radhakrishnan et al. 1972, ApJS, 24, 49. HI absorption.
ADS
- Becker & Kundu 1975, AJ, 80, 679. NRAO 140-ft at 10.6 GHz (3').
ADS
- Green et al. 1975, A&A, 44, 187. Effelsberg 100-m at 15 GHz (58'': S>1.6).
ADS
- Becker & Kundu 1976, ApJ, 204, 427. NRAO interferometer at 2.7 GHz (20''×23'') and 8 GHz (24''×9''), plus review of flux densities.
ADS
- Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2'.6).
ADS
- Goss et al. 1979, A&A, 78, 75. FIRST at 1.4 GHz (54''×66'': S=20±2 Jy) and Effelsberg 100-m at 10.7 GHz (77'': S=7.5±0.8 Jy).
ADS
- Wang & Seward 1984, ApJ, 279, 705. Einstein observations.
ADS
- Kassim 1992, AJ, 103, 943. VLA at 327 MHz (3'.4×3'.7: S=44.8 Jy).
ADS
- Reynolds & Moffett 1993, AJ, 105, 2226. VLA at 1.4 GHz (6''), including possible associated CO.
ADS
- Moffett & Reynolds 1994, ApJ, 425, 668. VLA at 330 MHz (smoothed to 30'': S=38.5±0.5 Jy) 1.46 GHz (6".7) and 4.85 GHz (6".2×6".4), including spectral index and polarisation studies.
ADS
- Frail et al. 1996, AJ, 111, 1651. OH emission near remnant, including masers.
ADS
- Gorham et al. 1996, ApJ, 458, 257. Pulsar search.
ADS
- Reach & Rho 1996, A&A, 315, L277. ISO spectroscopy.
ADS
- Rho & Petre 1996, ApJ, 467, 698. ROSAT observations.
ADS
- Wilner et al. 1998, AJ, 115, 247. CO observations of surroundings.
ADS
- Reach & Rho 1998, ApJ, 507, L93. ISO observations.
ADS
- Reach & Rho 1999, ApJ, 511, 836. CO, HCO+ and CS observations of surroundings.
ADS
- Reach & Rho 2000, ApJ, 544, 843. ISO observations of interactions with surroundings.
ADS
- Sugizaki et al. 2001, ApJS, 134, 77. ASCA survey observations.
ADS
- Chen & Slane 2001, ApJ, 563, 202. ASCA observations.
ADS
- Reach et al. 2002, ApJ, 564, 302. Observations of shocked molecular species.
ADS
- Chen et al. 2004, ApJ, 616, 885. Chandra observations.
ADS
- Brogan et al. 2005, AJ, 130, 148. VLA at 74 MHz, 330 MHz and 1.5 GHz (70'').
ADS
- Kawasaki et al. 2005, ApJ, 631, 935. ASCA observations.
ADS
- Reach et al. 2006, AJ, 131, 1479. Spitzer observations.
ADS
- Neufeld et al. 2007, ApJ, 664, 890. Spitzer IR observations.
ADS
- Hewitt et al. 2008, ApJ, 683, 189. GBT at 1.6 and 1.7 GHz for OH masers.
ADS
Last updated: 16 Mar 2009
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Dave Green/Cambridge, UK/D.A.Green@mrao.cam.ac.uk