G93.7-0.2

Note: this is an archived version which has been superseded.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

CTB 104A, DA 551

Notes: Has been called G93.6−0.2 and G93.7−0.3.

Radio: Distorted, faint shell.
Distance: Association with HI features suggests 1.5 kpc, optical extinction suggests 2.2 or 2.0 kpc.

References:

Velusamy & Kundu 1974, A&A, 32, 375. NRAO 300-ft at 2.7 GHz (5': S=18.4±1.0 Jy). ADS
Mantovani et al. 1982, A&A, 105, 176. Effelsberg 100-m at 1.7 GHz (7.'6: S=53.5±5.0 Jy), plus review of flux densities. ADS
Landecker et al. 1985, AJ, 90, 1082. DRAO at 1.4 GHz (smoothed to 2': S=58±6 Jy). ADS
Mantovani et al. 1991, A&A, 247, 545. Effelsberg 100-m at 4.75 GHz (smoothed to 3': S=33.5±4.0 Jy), including polarisation, plus review of flux densities. ADS
Biggs & Lyne 1996, MNRAS, 282, 691. Pulsar search. ADS
Lorimer et al. 1998, A&A, 331, 1002. Pulsar search. ADS
Koralesky et al. 1998, AJ, 116, 1323. VLA search for OH emission. ADS
Uyanıker et al. 2002, ApJ, 565, 1022. CGPS 1.4 GHz (49''×54''), including HI, and 408 MHz (2.'8×3.'7). ADS
Uyanıker et al. 2003, ApJ, 585, 785. CGPS at 1.4 GHz (1') including polarisation. ADS
Kothes et al. 2006, A&A, 457, 1081. CGPS at 408 MHz (~3': S=67±6 Jy) and 1420 MHz (~1': S=35±4 Jy), including polarisation and review of flux densities. ADS
Gao et al. 2011, A&A, 529, A159. Urumqi 25-m at 5 GHz (9.'5: S=25.0±2.5 Jy), including polarisation and review of flux densities. ADS
Zhao et al. 2020, ApJ, 891, 137. Optical extinction for distance. ADS
Wang et al. 2020, A&A, 639, A72. Optical extinction for distance. ADS

Last updated: 14 Dec 2022

Dave Green / Cambridge, UK /