Extended X-ray emission around four 3C quasars at 0.55<z<0.75 observed with Chandra

Details Extended X-ray emission around four 3C quasars at 0.55<z<0.75 observed with Chandra Extended X-ray emission around four 3C quasars at 0.55<z<0.75 observed with Chandra

2002-11-12

arxiv.org/abs/astro-ph/0211232v1

Mon.Not.Roy.Astron.Soc.339:1163,2003

Astronomy and Astrophysics

Astrophysics

8 pages, 4 panelled figures, MNRAS in press

Scientific paper

10.1046/j.1365-8711.2003.06268.x

We report on the detection of a soft spatially-extended component of X-ray emission around four intermediate-redshift 3C quasars observed with Chandra: 3C254, 3C263, 3C275.1 and 3C281. The bolometric luminosity of this emission ranges over 0.3-1.6 times 10^{44}erg/s, and extends to lengthscales of over 350 kpc at the redshift of the quasar. The X-rays are most likely thermal emission from the intracluster medium of a cluster of galaxies around each quasar, which provides the working surface for the powerful radio lobes. Some X-ray emission is also seen to be associated with the radio plasma.

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