Note: this is an archived version which has been superseded.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

G34.7-0.4 W44, 3C392

• Right Ascension: 18 53 30
• Declination: +01 18
• Size (arcmin): 35×27
• Type: S
• Flux density at 1 GHz (Jy): 230
• Spectral Index: 0.30

Notes: Has been called G34.6-0.5.

Radio: Distorted shell, brighter to the E, with pulsar and associated nebula.

X-ray: Centrally concentrated, thermal spectrum, plus pulsar nebula.

Point sources: Pulsar within the boundary of the remnant.

Distance: HI absorption indicates 3 kpc.

References:

• Kundu & Velusamy 1972, A&A, 20, 237. NRAO 140-ft at 10.7 GHz (3': S=105±7).
• Velusamy & Kundu 1974, A&A, 32, 375. NRAO 300-ft at 2.7 GHz (5': S=177±10).
• Caswell et al. 1975, A&A, 45, 239. HI absorption. ADS
• Clark et al. 1975, AuJPA, 37, 75. Molonglo at 408 MHz (3': S=299 which is less than the 390 Jy found by Kesteven 1968, AuJPh, 21, 739 with the same telescope). ADS
• Dickel & DeNoyer 1975, AJ, 80, 437. Arecibo S(430)=540±187. ADS
• Dickel & Milne 1976, AuJPh, 29, 435. Comparison of earlier Parkes 64-m maps at 2.7 GHz (8'.4) and 5 GHz (4'.4). ADS
• Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2'.6). ADS
• Smith et al. 1985, MNRAS, 217, 99. IPC observations. ADS
• Wolszczan et al. 1991, ApJ, 372, L99. Pulsar detection. ADS
• Kassim 1992, AJ, 103, 943. VLA at 327 MHz (3'.6×3'.8: S=469). ADS
• Jones et al. 1993, MNRAS, 265, 631. VLA at 1.4 GHz (15"), plus X-ray spectra. ADS
• Rho et al. 1994, ApJ, 430, 757. Optical and ROSAT observations. ADS
• Koo & Heiles 1995, ApJ, 442, 679. HI of surrounding shell. ADS
• Esposito et al. 1996, ApJ, 461, 820. Possible associated gamma-ray emission. ADS
• Harrus et al. 1996, ApJ, 464, L161. ASCA observations. ADS
• Frail et al. 1996, ApJ, 464, L165. VLA at 1.5 and 8.4 GHz (8".9×7".8) of pulsar nebula. ADS
• Frail et al. 1996, AJ, 111, 1651. OH maser emission. ADS

Last updated: 22 AUG 1996