J021659-044920: a relic giant radio galaxy at z ~ 1.3

Prathamesh Tamhane, Yogesh Wadadekar, Aritra Basu +4

We report the discovery of a relic Giant Radio Galaxy (GRG) J021659-044920 at redshift $z\sim 1.3$ that exhibits large-scale extended, nearly co-spatial, radio and X-ray emission…