Extended inverse Compton emission from distant powerful radio galaxies

Details Extended inverse Compton emission from distant powerful radio galaxies Extended inverse Compton emission from distant powerful radio galaxies

Sep 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004cxo..prop.1739f&link_type=abstract

Chandra Proposal ID #06700234

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Chandra Proposal Id #06700234

Scientific paper

We and others have discovered extended X-ray emission around several distant powerful radio galaxies. The emission is likely from inverse Compton scattering of CMB photons, the energy density of which rises steeply with redshift. The X-ray emission gives the best estimate of the total energy injected as relativistic electrons into the surroundings since the X-ray emitting electrons last longer. Considerable energy is injected which affects the gas properties of the host galaxy, group or cluster. All massive galaxies may have passed through such a phase. We propose to study a sample of similarly powerful and distant radio galaxies to understand how common the phenomenon is and which radio source parameters are the best indicators of extended X-ray emission.

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