The X-ray Luminous Cluster underlying the Radio-Quiet Quasar H1821+643

Physics

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Chandra Proposal Id #09800363

Scientific paper

We propose to make a direct imaging study of the only low redshift galaxy cluster to contain a highly luminous quasar, H1821+643. Existing Chandra observations of the X-ray bright cluster are only noisy snapshots, having been performed using gratings, which much reduce the effective area, do not decrease the background, and produce diffraction spikes. Even these observations strongly hint at an interaction between the jets and outflows of the quasar on its surroundings, in terms of rings of brighter emission possibly indicating shocks. In addition the northern FRI lobe of the quasar also appears to be detected in emission. We expect to learn much about cluster-quasar interaction from this unique object.

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