G65.3+5.7

Notes: Has been called G65.2+5.7.

Radio: Large, faint ring, near S91 and S94.
Optical: Filamentary ring.
X-ray: Diffuse, centrally brightened.
Distance: Optical proper motions and velocities indicates 0.8 kpc, optical extinction suggests 1.5 kpc.

References:

Gull et al. 1977, ApJ, 215, L69. Optical plates. ADS
Reich et al. 1979, A&A, 72, 270. Effelsberg 100-m observations at 1.42 GHz (smoothed to 11': S=42.4±1.6 Jy), estimate S_408 MHz=91±5 Jy from previous sky survey. ADS
Lozinskaya 1981, SvAL, 7, 17. Mean optical velocity. ADS
Rosado 1981, ApJ, 250, 222. Optical interferometry. ADS
Fesen et al. 1983, ApJS, 51, 337. Deep [OIII] imagery. ADS
Fesen et al. 1985, ApJ, 292, 29. Optical spectra. ADS
Seward 1990, ApJS, 73, 781. Einstein observations. ADS
Gorham et al. 1996, ApJ, 458, 257. Pulsar search. ADS
Mavromatakis et al. 2002, A&A, 388, 355. Optical observations. ADS
Boumis et al. 2004, A&A, 424, 583. Optical observations. ADS
Shelton et al. 2004, ApJ, 615, 275. ROSAT observations. ADS
Kaplan et al. 2006, ApJS, 163, 344. X-ray upper limit on compact sources. ADS
Xiao et al. 2009, A&A, 503, 827. Effelsberg 100-m at 2.7 GHz (4.'4: S=22±3 Jy), and Urumqi 25-m at 4.8 GHz (9.'5: S=16.8±1.8 Jy) including polarisation and review of flux densities. ADS
Gosachinskii 2010, AstL, 36, 260. HI observations. ADS
Kim et al. 2010, ApJ, 722, 388. Far UV observations. ADS
Zhao et al. 2020, ApJ, 891, 137. Optical extinction for distance. ADS

Last updated: 13 Dec 2022

Dave Green / Cambridge, UK /