Note: this is an archived version which has been superseded.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

G41.1-0.3 3C397

• Right Ascension: 19 07 34
• Declination: +07 08
• Size (/arcmin): 4.5×2.5
• Type: S
• Flux density at 1 GHz (/Jy): 22
• Spectral Index: 0.48

Radio: 3C397 is two sources: the E is the SNR, the W is a HII region.

X-ray: Brighter to the E and W, with possible central component.

Distance: Possible limit of >7.5 kpc for non-thermal component from HI absorption.

References:

• Kundu et al. 1974, AJ, 79, 1332. NRAO 140-ft at 10 GHz (3') and 5 GHz (6').
• Velusamy & Kundu 1974, A&A, 32, 375. NRAO 300-ft at 2.7 GHz (5': S=21.3±1.2 Jy for both components).
• Caswell et al. 1975, A&A, 45, 239. HI absorption. ADS
• Dickel & DeNoyer 1975, AJ, 80, 437. Arecibo S_{430 MHz}=82±51 Jy, also Algonquin 46-m at 10.6 GHz (3': S=12±2 Jy), and Haystack 36-m at 15.5 GHz (2'.3: S=8.5±3.0 Jy). ADS
• Caswell et al. 1975, AuJPA, 37, 39. Molonglo at 408 MHz (3': S=29.8 Jy) and Parkes 64-m at 5 GHz (4': S=8.7 Jy). 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 (58"×52"). ADS
• Becker et al. 1985, ApJ, 296, 461. VLA at 1.4 and 5 GHz (8"), plus Einstein observations. ADS
• Morsi & Reich 1987, A&AS, 71, 189. Effelsberg 100-m at 32 GHz (smoothed to 30": S=1.10±0.19 Jy). ADS
• Kassim 1992, AJ, 103, 943. VLA at 327 MHz (3'.5×3'.6: S=46.3 Jy). ADS
• Anderson & Rudnick 1993, ApJ, 408, 514. VLA at 1.45 and 4.89 GHz, for spectral index studies. ADS
• Gorham et al. 1996, ApJ, 458, 257. Pulsar search. ADS
• Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations. ADS
• Chen et al. 1999, ApJ, 520, 737. ASCA and ROSAT observations. ADS
• Dyer & Reynolds 1999, ApJ, 526, 365. VLA at 1.5 GHz (6".9×6".6) and 4.8 GHz (46".4×5".6), including polarization and comparison with ROSAT image. ADS
• Safi-Harb et al. 2000, ApJ, 545, 922. ROSAT, ASCA and other X-ray observations. ADS
• Sugizaki et al. 2001, ApJS, 134, 77. ASCA survey survey observations. ADS
• Aharonian et al. 2001, A&A, 375, 1008. Limit on high energy gamma-rays. ADS

Last updated: 17 Oct 2001