Volume 421, Number 1, July I 2004
|Page(s)||229 - 233|
|Section||Stellar structure and evolution|
|Published online||11 June 2004|
The extragalactic nature of GT 2318+620
Departament d'Astronomia i Meteorologia, Universitat de Barcelona, Av. Diagonal 647, 08028 Barcelona, Spain
2 Departamento de Física, Escuela Politécnica Superior, Universidad de Jaén, Virgen de la Cabeza 2, 23071 Jaén, Spain e-mail: email@example.com
3 Department of Physics and Astronomy, University of Calgary, 2500 University Dr. NW, Calgary, Alberta T2N 1N4, Canada e-mail: firstname.lastname@example.org
4 Astrophysics Research Institute, Liverpool John Moores University, Twelve Quays House, Egerton Wharf, Birkenhead CH41 1LD, UK e-mail: email@example.com
Corresponding author: J. M. Paredes, firstname.lastname@example.org
Accepted: 1 March 2004
We report optical and radio observations of GT 2318+620, a previously proposed variable radio source at low galactic latitude. With the information available more than a decade ago, this object was considered to be a low-mass X-ray binary with radio jets. However, the galactic nature of GT 2318+620 was never confirmed. The new data presented here provide substantial evidence to rule out a galactic origin and point towards identification as an active extragalactic source.
Key words: galaxies: active / X-rays: binaries
© ESO, 2004
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