The Discovery of a Luminous Z=5.80 Quasar from the Sloan Digital Sky Survey

Xiaohui Fan, Richard L. White, Marc Davis, Robert H. Becker, Michael A. Strauss, Zoltan Haiman, Donald P. Schneider, Michael D. Gregg, James E. Gunn, G. R. Knapp, Robert H. Lupton, John E., Jr. Anderson, Scott F. Anderson, James Annis, Neta A. Bahcall, William N. Boroski, Robert J. Brunner, Bing Chen, Andrew J. Connolly, István CsabaiMamoru Doi, Masataka Fukugita, G. S. Hennessy, Robert B. Hindsley, Takashi Ichikawa, Željko Ivezić, Jon Loveday, Avery Meiksin, Timothy A. McKay, Jeffrey A. Munn, Heidi Jo Newberg, Robert Nichol, Sadanori Okamura, Jeffrey R. Pier, Maki Sekiguchi, Kazuhiro Shimasaku, Chris Stoughton, Alexander S. Szalay, Gyula P. Szokoly, Aniruddha R. Thakar, Michael S. Vogeley, Donald G. York

Research output: Contribution to journalArticlepeer-review


We present observations of SDSSp J104433.04-012502.2, a luminous quasar at z=5.80 discovered from Sloan Digital Sky Survey (SDSS) multicolor imaging data. This object was selected as an i'-band dropout object, with i*=21.8+/-0.2 and z*=19.2+/-0.1. It has an absolute magnitude M1450=-27.2 (H0=50 km s-1 Mpc-1, q0=0.5). The spectrum shows a strong and broad Lyα emission line, strong Lyα forest absorption lines with a mean continuum decrement DA=0.91 and a Lyman limit system at z=5.72. The spectrum also shows strong O I and Si IV emission lines similar to those of quasars at z
Original languageEnglish (US)
Pages (from-to)1167-1174
JournalAstronomical Journal
Issue number3
StatePublished - Sep 1 2000
Externally publishedYes


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