Note: this is an archived version which has been superseded.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 01 40
• Declination: +05 23
• Size (/arcmin): 8×6
• Type: S
• Flux density at 1 GHz (/Jy): 18
• Spectral Index: 0.6

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

X-ray: Centrally brightened.

Distance: HI absorption suggests at least 7.7 kpc.

References:

• Shaver & Goss 1970, AuJPA, 14, 133. Molonglo at 408 MHz (3').
• Dickel & DeNoyer 1975, AJ, 80, 437. Arecibo S(430)=54±38. ADS
• Becker & Kundu 1975, AJ, 80, 679. NRAO 140-ft at 10.6 GHz (3': S=4.1±1.0). 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) and 5 GHz, plus IPC 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 polarization, plus OSRT 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). 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

Last updated: 13 AUG 1998