A ROSAT observation of the powerful distant radio galaxy 3C 356

Details A ROSAT observation of the powerful distant radio galaxy 3C 356 A ROSAT observation of the powerful distant radio galaxy 3C 356

Jan 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993mnras.260l..15c&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 260, no. 2, p. L15-L19.

Astronomy and Astrophysics

Astrophysics

44

Active Galaxies, Cooling Flows (Astrophysics), Luminous Intensity, Radio Galaxies, Rosat Mission, X Ray Sources, Halos, Proportional Counters, Red Shift, Satellite Imagery

Scientific paper

We present results obtained with the Position Sensitive Proportional Counter on ROSAT of the first X-ray detection of a powerful distant radio galaxy, 3C 356. The X-ray source has a luminosity of about 2.5 x 10 exp 44 erg/s, mostly from the region spanned by the radio lobes. The spectrum shows no evidence of strong intrinsic absorption. Such absorption is observed in the nuclei of nearby powerful radio galaxies, implying that the X-rays from 3C 356 are probably from a dense halo of hot gas, cooling at a rate of 500-1500 solar masses/yr.

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