SIMBAD references

2000AJ....119....1F - Astron. J., 119, 1-11 (2000/January-0)

High-redshift quasars found in sloan digital sky survey commissioning data. II. The spring equatorial stripe.

FAN X., STRAUSS M.A., SCHNEIDER D.P., GUNN J.E., LUPTON R.H., ANDERSON S.F., VOGES W., MARGON B., ANNIS J., BAHCALL N.A., BRINKMANN J., BRUNNER R.J., CARR M.A., CSABAI I., DOI M., FRIEMAN J.A., FUKUGITA M., HENNESSY G.S., HINDSLEY R.B., IVEZIC Z., KNAPP G.R., LAMB D.Q., McKAY T.A., MUNN J.A., NEWBERG H.J., PAULS A.G., PIER J.R., RECHENMACHER R., RICHARDS G.T., ROCKOSI C.M., STOUGHTON C., SZALAY A.S., THAKAR A.R., TUCKER D.L., WADDELL P. and YORK D.G.

Abstract (from CDS):

This is the second paper in a series aimed at finding high-redshift quasars from five-color (u'g'r'i'z') imaging data taken along the Celestial Equator by the Sloan Digital Sky Survey (SDSS) during its commissioning phase. In this paper, we present 22 high-redshift quasars (z>3.6) discovered from ∼250 deg2 of data in the spring Equatorial Stripe, plus photometry for two previously known high-redshift quasars in the same region of the sky. Our success rate in identifying high-redshift quasars is 68%. Five of the newly discovered quasars have redshifts higher than 4.6 (z=4.62, 4.69, 4.70, 4.92, and 5.03). All the quasars have i*<20.2 with absolute magnitude -28.8<MB←26.1 (h=0.5, q0=0.5). Several of the quasars show unusual emission and absorption features in their spectra, including an object at z=4.62 without detectable emission lines, and a broad absorption line (BAL) quasar at z=4.92.

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Journal keyword(s): Galaxies: Quasars: General - Surveys

Simbad objects: 24

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