Note: this is an archived version which has been superseded.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

G39.2−0.3     3C396, HC24, NRAO 593

• Right Ascension: 19 04 08
• Declination: +05 28
• Size (/arcmin): 8×6
• Type: C
• Flux density at 1 GHz (/Jy): 18
• Spectral Index: 0.34

Radio: Shell, brighter to W, with faint `tail' to E.

X-ray: Diffuse, brighter to W, with central core.

Point sources: Central X-ray source.

Distance: HI absorption suggests >7.7 kpc.

References:

• Shaver & Goss 1970, AuJPA, 14, 133. Molonglo at 408 MHz (3'). ADS
• Dickel & DeNoyer 1975, AJ, 80, 437. Arecibo S_430 MHz=54±38 Jy. ADS
• Becker & Kundu 1975, AJ, 80, 679. NRAO 140-ft at 10.6 GHz (3': S=4.1±1.0 Jy). ADS
• Caswell et al. 1975, A&A, 45, 239. HI absorption. ADS
• Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2'.6). ADS
• Caswell et al. 1982, MNRAS, 200, 1143. FIRST at 1.4 GHz (65''×48''). ADS
• Becker & Helfand 1987, AJ, 94, 1629. VLA at 1.4 GHz (12'': S=14 Jy) and 5 GHz, plus Einstein observations. ADS
• Patnaik et al. 1990, A&A, 232, 467. VLA at 1.5 GHz (25'') and 1.4 GHz (7".8×7".5) and 5 GHz (25'') including polarisation, plus Ooty at 327 MHz (100''×31''), including review of flux densities. ADS
• Kassim 1992, AJ, 103, 943. VLA at 327 MHz (3'.5×3'.6: S=42.5 Jy). ADS
• Anderson & Rudnick 1993, ApJ, 408, 514. VLA at 1.45 and 4.89 GHz for spectral index studies. ADS
• Biggs & Lyne 1996, MNRAS, 282, 691. Pulsar search. ADS
• Gorham et al. 1996, ApJ, 458, 257. Pulsar search. ADS
• Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations. ADS
• Koralesky et al. 1998, AJ, 116, 1323. VLA search for OH emission. ADS
• Harrus & Slane 1999, ApJ, 516, 811. ASCA observations. ADS
• Aharonian et al. 2001, A&A, 375, 1008. Limit on high energy γ-rays. ADS
• Olbert et al. 2003, ApJ, 592, L45. Chandra observations. ADS
• Reach et al. 2006, AJ, 131, 1479. Spitzer observations. ADS
• Scaife et al. 2007, MNRAS, 377, L69. 33 GHz observations. ADS
• Hewitt et al. 2009, ApJ, 694, 1266. Spitzer spectroscopy. ADS
• Lee et al. 2009, ApJ, 691, 1042. IR observations. ADS
• Sun et al. 2011, A&A, 536, A83. Urumqi 25-m at 5 GHz (9'.5: S=8.8±0.5 Jy) including polarisation and review of flux densities. ADS
• Anderson et al. 2011, ApJ, 742, 7. Spitzer observations. ADS
• Su et al. 2011, ApJ, 727, 43. Chandra and CO observations of region. ADS

Last updated: 24 May 2014