The Low-Resolution Spectrograph of the Hobby-Eberly Telescope. II. Observations of Quasar Candidates from the Sloan Digital Sky Survey

Journal Article · Sat Jan 01 00:00:00 EST 2000 · Publications of the Astronomical Society of the Pacific

DOI:https://doi.org/10.1086/316491· OSTI ID:20217070

Schneider, D P; Hill, Gary J; Fan, X; Ramsey, L W; MacQueen, P J; Weedman, D W; Booth, J A; Eracleous, M; Gunn, J E; Lupton, R H ^[1]

---

1. and others

This paper describes spectra of quasar candidates acquired during the commissioning phase of the Low-Resolution Spectrograph of the Hobby-Eberly Telescope. The objects were identified as possible quasars from multicolor image data from the Sloan Digital Sky Survey. The 10 sources had typical r' magnitudes of 19-20, except for one extremely red object with r{sup '} {approx_equal}23. The data, obtained with exposure times between 10 and 25 minutes, reveal that the spectra of four candidates are essentially featureless and are not quasars, five are quasars with redshifts between 2.92 and 4.15 (including one broad absorption line quasar), and the red source is a very late M star or early L dwarf. (c) (c) 2000. The Astronomical Society of the Pacific.

• OSTI ID: 20217070
• Journal Information: Publications of the Astronomical Society of the Pacific, Vol. 112, Issue 767; Other Information: PBD: Jan 2000; ISSN 0004-6280
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
QUASARS
TELESCOPES
VISIBLE SPECTRA
OPTICAL SPECTROMETERS
IDENTIFICATION SYSTEMS
RED DWARF STARS
PERFORMANCE TESTING
ABSORPTION SPECTRA
EXPERIMENTAL DATA