Chandra Observations of the Highest Redshift Quasars from the Sloan Digital Sky Survey

We present new Chandra observations of 21 z > 4 quasars, including 11 sources at z > 5. These observations double the number of X-ray-detected quasars at z > 5, allowing investigation of the X-ray spectral properties of a substantial sample of quasars at the dawn of the modern universe. By...

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Veröffentlicht in:	The Astrophysical journal 2006-06, Vol.644 (1), p.86-99
Hauptverfasser:	Shemmer, Ohad, Brandt, W. N, Schneider, Donald P, Fan, Xiaohui, Strauss, Michael A, Diamond-Stanic, Aleksandar M, Richards, Gordon T, Anderson, Scott F, Gunn, James E, Brinkmann, Jon
Format:	Artikel
Sprache:	eng
Schlagworte:	Astronomy Earth, ocean, space Exact sciences and technology
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