Discovery of a new radio galaxy within the error box of the unidentified gamma-ray source 3EG J1735-1500

Details Discovery of a new radio galaxy within the error box of the unidentified gamma-ray source 3EG J1735-1500 Discovery of a new radio galaxy within the error box of the unidentified gamma-ray source 3EG J1735-1500

2003-01-24

arxiv.org/abs/astro-ph/0301487v1

Astrophys.J. 588 (2003) 731-735

Astronomy and Astrophysics

Astrophysics

12 pages, 3 figures. Accepted for publication in ApJ

Scientific paper

10.1086/374314

We report the discovery of a new radio galaxy within the location error box of the gamma-ray source 3EG J1735-1500. The galaxy is a double-sided jet source forming a large angle with the line of sight. Optical observations reveal a V ~ 18 magnitude galaxy at the position of the radio core. Although the association with the EGRET source is not confirmed at the present stage, because there is a competing, alternative gamma-ray candidate within the location error contours which is also studied here, the case deserves further attention. The new radio galaxy can be used to test the recently proposed possibility of gamma-ray emitting radio galaxies beyond the already known case of Centaurus A.

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