Other
Scientific paper
Sep 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002cxo..prop.1284v&link_type=abstract
Chandra Proposal ID #04700635
Other
Chandra Proposal Id #04700635
Scientific paper
We propose exploratory snapshot observations of 11 of the most luminous and optically brightest quasars at z>4. Our science goals are (1) to determine the X-ray fluxes, X-ray luminosities, optical-to-X-ray slopes, and broad-band spectral energy distributions of these quasars, (2) to constrain X-ray spectral properties using hardness ratios and stacking analyses, (3) to facilitate spectroscopic observations with XMM-Newton, and (4) to lay key groundwork for future high-redshift X-ray efforts with Constellation-X and XEUS. We will obtain supporting optical spectroscopy with the queue-scheduled 8-m Hobby-Eberly Telescope. The proposed project will complement our other studies of z>4 quasars using Chandra, XMM-Newton, and archival data.
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