X-Ray Emission in Radio-Quiet z>4 Quasars: A New Perspective on the AGN-Starburst-Connection?

Details X-Ray Emission in Radio-Quiet z>4 Quasars: A New Perspective on the AGN-Starburst-Connection? X-Ray Emission in Radio-Quiet z>4 Quasars: A New Perspective on the AGN-Starburst-Connection?

Sep 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007cxo..prop.2428r&link_type=abstract

Chandra Proposal ID #09700450

Computer Science

Chandra Proposal Id #09700450

Scientific paper

We propose to investigate the nature of the extended X-ray emission detected toward the starbursting quasar BR1202-0725 (z=4.7), and to search for X-ray emission in BRI1335-0417 (z=4.4), with Chandra/ACIS. These sources are the only unlensed z>4 AGN-starburst systems that are resolved in molecular gas (CO), FIR and radio continuum emission. Shallow archival ACIS observations of BR1202 show two components (X1/X2). X1 is coincident with the optical quasar, and shows tentative evidence for a radio-quiet X-ray jet emerging from the AGN. X2 is only tentatively detected, which would be first evidence for an AGN. We here propose to confirm both tentative results in BR1202, and to obtain first X-ray observations of BRI1335.

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