An X-Ray Study of the Most Distant Quasars from the Sloan Digital Sky Survey

Details An X-Ray Study of the Most Distant Quasars from the Sloan Digital Sky Survey An X-Ray Study of the Most Distant Quasars from the Sloan Digital Sky Survey

Sep 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000cxo..prop..653b&link_type=abstract

Chandra Proposal ID #02700186

Computer Science

Chandra Proposal Id #02700186

Scientific paper

We propose to continue our systematic Chandra and XMM-Newton study of the highest redshift quasars found by the Sloan Digital Sky Survey (SDSS). SDSS quasars are selected in a uniform and highly effective manner, and they are ideal for defining the basic X-ray properties of the youngest known quasars. In particular, we ultimately hope to determine if the most distant radio-quiet quasars show X-ray absorption or continuum shape differences from those at lower redshifts. Here we request a 40 ks spectroscopic observation of an optically bright quasar found at z = 5.80 as well as exploratory 5 ks observations designed to provide us with complete X-ray coverage of all published luminous quasars with z > 4.8. We also propose to observe a z = 4.61 quasar that lacks emission lines.

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