Variable Stars from the SDSS-II Supernova Survey

Details Variable Stars from the SDSS-II Supernova Survey Variable Stars from the SDSS-II Supernova Survey

Jan 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21343415b&link_type=abstract

American Astronomical Society, AAS Meeting #213, #434.15; Bulletin of the American Astronomical Society, Vol. 41, p.305

Astronomy and Astrophysics

Astronomy

Scientific paper

We use multi-band photometric data collected by the SDSS-II Supernova Survey (2005-2007) to identify variable stars in the equatorial Stripe 82. We generate ensemble (differential) photometry light-curves of approximately 1.1 million point sources from the Survey, select objects that appear to be stellar in nature, and then characterize their variability. Objects of interest include cataclysmic variables, flare stars, Cepheids, RR Lyrae, long period variables, eclipsing binary systems, and transiting planets. We describe the algorithms used to find test periods for these objects and discuss the significance of these results given the sparse time-sampling of the Survey. Finally, we present light-curves for several periodic variable candidates.
Based on data from the Sloan Digital Sky Survey (http://www.sdss.org). This research was supported by NASA grant NAG5-7697.

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