Title

Quest l variability survey. III. Light curve catalog update

Document Type

Article

Publication Date

9-8-2009

Abstract

This paper reports an update to the QUEST l (QUasar Equatorial Survey Team, Phase 1) Variability Survey (QVS) light curve catalog, which links QVS instrumental magnitude light curves to Sloan Digital Sky Survey (SDSS) objects and photometry. In the time since the original QVS catalog release, the overlap between publicly available SDSS data and QVS data has increased by 8% in sky coverage and 16,728 in number of matched objects. The astrometrie matching and the treatment of SDSS masks have been refined for the updated catalog. We report on these improvements and present multiple bandpass light curves, global variability information, and matched SDSS photometry for 214,941 QUESTl objects. © 2009. The American Astronomical Society. All rights reserved.

Publication Source (Journal or Book title)

Astrophysical Journal, Supplement Series

First Page

129

Last Page

134

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