A Chandra Survey of the Most Distant Quasars: X-raying the First Massive Black Holes

Details A Chandra Survey of the Most Distant Quasars: X-raying the First Massive Black Holes A Chandra Survey of the Most Distant Quasars: X-raying the First Massive Black Holes

Sep 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004cxo..prop.1736b&link_type=abstract

Chandra Proposal ID #06700116

Physics

Chandra Proposal Id #06700116

Scientific paper

We propose to extend our systematic Chandra 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 12 quasars; most have z > 5.8. We will study their broad-band spectral energy distributions and perform joint spectral fitting to derive average spectral constraints (photon index and absorption) in the 3-50 keV rest-frame band. These observations will provide key flux information needed for effective planning of future X-ray spectroscopy. We will also continue studying the X-ray properties of a remarkable group of high-redshift quasars with very weak emission lines.

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