G20.0−0.2
ADS: search title/keyword/abstract or
fulltext
- Right Ascension: 18 28 07
- Declination: −11 35
- Size (/arcmin): 10
- Type: F
- Flux density at 1 GHz (/Jy): 10
- Spectral Index: 0.1
- Radio: Faint, filled-centre, polarised.
- X-ray: Centrally brightened.
- Point sources: OH source 20.1−0.1 is nearby.
- Distance: HI absorption suggests 11.2 kpc.
References:
- Becker & Helfand 1985, ApJ, 297, L25. VLA at 1.4 and 5 GHz (12″).
ADS
- Odegard 1986, AJ, 92, 1372. TPT at 57.5 MHz (7.′2×8′: S=8.5±2 Jy), plus review of flux densities.
ADS
- Junkes et al. 1988, LNP, 316, 134. Effelsberg 100-m at 2.7 GHz (4.′3), including polarisation.
ADS
- Biggs & Lyne 1996, MNRAS, 282, 691. Pulsar search.
ADS
- Sun et al. 2011, A&A, 536, A83. Urumqi 25-m at 5 GHz (9.′5: S=9.2±0.5 Jy) including polarisation and review of flux densities.
ADS
- Petriella et al. 2013, A&A, 554, A73. Chandra observations, plus CO and HI observations of region.
ADS
- Acero et al. 2016, ApJS, 224, 8. Fermi observations.
ADS
- Ranasinghe & Leahy 2018, AJ, 155, 204. VGPS HI absorption observations.
ADS
- Dokara et al. 2021, A&A, 651, A86. VLA at 4 to 8 GHz (18″: S=0.8 Jy) including polarisation, and Spitzer observations.
ADS
- Sofue et al. 2021, ApJS, 253, 17. Nobeyama 45-m CO observations (20″) of region.
ADS
Last updated: 20 Dec 2022
home |
documentation |
detailed listings |
summary listings
Dave Green / Cambridge, UK /