Extended and compact X-ray emission from the powerful radio galaxy 3C220.1

Details Extended and compact X-ray emission from the powerful radio galaxy 3C220.1 Extended and compact X-ray emission from the powerful radio galaxy 3C220.1

1998-04-09

arxiv.org/abs/astro-ph/9804102v2

Astrophys.J. 504 (1998) 743

Astronomy and Astrophysics

Astrophysics

7 pages, 4 figures. Uses emulateapj.sty (included). To appear in ApJ, Sep 10th issue. Update corrects some numbers and adds no

Scientific paper

10.1086/306121

We report on ROSAT HRI observations of the z=0.61 radio galaxy 3C220.1. The X-ray emission from this object consists of an extended component, which we attribute to luminous cluster emission, and a compact central source. The compact component is too bright to be modelled as a cooling flow under some plausible assumptions for the hot gas temperature and distribution; we suggest instead that it is directly related to the core of the radio source. The X-ray flux of the compact component is consistent with the prediction of Worrall et al (1994) that all powerful radio galaxies should have a central jet-related X-ray emission component that is proportional in strength to the radio core flux density. Other observations of distant 3CR radio sources are consistent with this model.

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