a Chandra and Xmm-Newton Study of the Most Distant Quasars: X-Raying the First Massive Black Holes

Details a Chandra and Xmm-Newton Study of the Most Distant Quasars: X-Raying the First Massive Black Holes a Chandra and Xmm-Newton Study of the Most Distant Quasars: X-Raying the First Massive Black Holes

Sep 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002cxo..prop.1255b&link_type=abstract

Chandra Proposal ID #04700170

Physics

Chandra Proposal Id #04700170

Scientific paper

We propose to continue our systematic Chandra and XMM-Newton study of the most distant known quasars, with our ultimate goals being to learn about the central power sources and environments of the first quasars to form in the Universe. We request exploratory observations of 13 quasars; most have z > 4.8. We will define their broad-band spectral energy distributions and reliably determine the X-ray luminosity function of optically selected quasars at the highest redshifts. Count stacking will give basic spectral constraints in the 2-50 keV rest-frame band, and these observations will provide the key flux information needed for effective planning of future X-ray spectroscopy. We will also measure the X-ray properties of a remarkable group of high-redshift quasars lacking emission lines.

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