Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008head...10.2621s&link_type=abstract
American Astronomical Society, HEAD meeting #10, #26.21
Astronomy and Astrophysics
Astronomy
Scientific paper
X-ray cluster emission has been observed mainly in clusters with ``inactive" cD galaxies which do not show signs of accretion onto a supermassive black hole. Our Chandra discovery of >100kpc scale diffuse X-ray emission revealed the presence of an X-ray cluster associated with radio loud quasar 3C186 at redshift z=1.1 and suggests interactions between the quasar and the cluster. The 3C186 quasar is a powerful Compact Steep Spectrum radio source expanding into the cluster medium. The 2 arcsec radio jet remains unresolved in the Chandra observation, but its direction is orthogonal to the elliptical surface brightness of the X-ray cluster. We present the X-ray data and discuss the nature of this source in the context of intermittent radio activity and the interaction of the young expanding radio source with the cluster medium.
This work was supported by NASA grants GO2-3148A, GO8-9125A-R and NAS8-39073.
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