G18.9-1.1

Note: this is an archived version which has been superseded.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

G18.9−1.1

Notes: Has been called G18.95−1.1 and G18.94−1.04.

References:

Fürst et al. 1985, Nature, 314, 720. Effelsberg 100-m at 4.75 GHz (2.'4: S=23.8 Jy), plus other flux densities. ADS
Odegard 1986, AJ, 92, 1372. TPT at 57.5 MHz (7.'2×8': S=82±15 Jy), plus review of flux densities. ADS
Barnes & Turtle 1988, IAUCo, 101, 347. Molonglo at 408 MHz (2.'9×3.'1: S=58±9 Jy) and Parkes 64-m at 5 GHz (4.'1×4.'4: S=23±6 Jy). ADS
Patnaik et al. 1988, Nature, 332, 136. Ooty at 327 MHz (0.'6×1.'6). ADS
Fürst et al. 1989, A&A, 209, 361. Effelsberg 100-m at 4.75 GHz (2.'45: S=23.8 Jy) and VLA at 1.5 and 4.9 GHz (14''×19''), and Effelsberg 100-m at 1.4 GHz (9') for HI. ADS
Aschenbach et al. 1991, A&A, 246, L32. ROSAT observations. ADS
Fürst et al. 1997, A&A, 319, 655. ROSAT observations, and Effelsberg 100-m at 10.6 GHz (1.'1). ADS
Reich 2002, in NSPS, p1. Effelsberg 100-m at 10.6 GHz, including polarisation. ADS
Harrus et al. 2004, ApJ, 603, 152. ROSAT and ASCA observations. ADS
Tüllmann et al. 2010, ApJ, 720, 848. Chandra detection of compact source. ADS
Sun et al. 2011, A&A, 536, A83. Urumqi 25-m at 5 GHz (9.'5: S=19.6±1.0 Jy) including polarisation and review of flux densities. ADS
Stupar & Parker 2011, MNRAS, 414, 2282. Hα observations. ADS
Froebrich et al. 2015, MNRAS, 454, 2586. H₂ IR observations. ADS
Acero et al. 2016, ApJS, 224, 8. Fermi observations. ADS
Shan et al. 2018, ApJS, 238, 35. Optical absorption for distance. ADS

Last updated: 9 Apr 2019

Dave Green/Cambridge, UK/