Moderate resolution spectrophotometry of high redshift quasars

A uniform set of photometry and high signal-to-noise moderate resolution spectroscopy of 33 quasars with redshifts larger than 3.1 is presented. The sample consists of 17 newly discovered quasars (two with redshifts in excess of 4.4) and 16 sources drawn from the literature. The objects in this samp...

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Veröffentlicht in:	The Astronomical journal 1991-06, Vol.101 (6), p.2004-2016
Hauptverfasser:	Schneider, Donald P., Schmidt, Maarten, Gunn, James E.
Format:	Artikel
Sprache:	eng
Schlagworte:	640102 - Astrophysics & Cosmology- Stars & Quasi-Stellar, Radio & X-Ray Sources ABSORPTION SPECTRA Astronomy Astrophysics BRIGHTNESS CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS COSMIC RADIO SOURCES Earth, ocean, space EMISSION SPECTRA Exact sciences and technology LUMINOSITY LYMAN LINES OPTICAL PROPERTIES PHYSICAL PROPERTIES QUASARS Quasars. Active or peculiar galaxies, objects, and systems RED SHIFT SIGNAL-TO-NOISE RATIO SPECTRA SPECTROPHOTOMETRY Stellar systems. Galactic and extragalactic objects and systems. The universe
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Beschreibung
Zusammenfassung:	A uniform set of photometry and high signal-to-noise moderate resolution spectroscopy of 33 quasars with redshifts larger than 3.1 is presented. The sample consists of 17 newly discovered quasars (two with redshifts in excess of 4.4) and 16 sources drawn from the literature. The objects in this sample have r magnitudes between 17.4 and 21.4; their luminosities range from -28.8 to -24.9. Three of the 33 objects are broad absorption line quasars. A number of possible high redshift damped Ly-alpha systems were found.
ISSN:	0004-6256 1538-3881
DOI:	10.1086/115825