Physics
Scientific paper
Sep 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000cxo..prop.1036b&link_type=abstract
Chandra Proposal ID #02708060
Physics
Chandra Proposal Id #02708060
Scientific paper
X-ray studies of the highest redshift quasars provide insight into the evolution of quasar central power sources and environments. Large X-ray efforts (e.g., XEUS and Constellation-X) are being planned to study the z=5-20 Universe despite a lack of X-ray information on the Universe at these redshifts. Chandra can efficiently provide precious, basic information on the highest redshift quasars due to its high sensitivity. Three high-redshift quasars at z=6.28, 5.99, 5.82 have been recently discovered by the Sloan Digital Sky Survey; they are bright with AB_1450=19.7, 19.6, 18.8. We propose exploratory Chandra observations of these three objects designed to define their basic X-ray properties and determine if spectroscopic X-ray observations are merited. If these quasars are detected, this will hopefully capture the public's interest leading to further appreciation of the power of Chandra. Co-Is on this proposal are SDSS members Anderson, Fan, Gunn, Richards, Schneider, Strauss, Voges.
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