A Catalog of 1022 Bright Contact Binary Stars | Zendy

Sara Gettel | Zendy; M. Geske | Zendy; Timothy A. McKay | Zendy

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A Catalog of 1022 Bright Contact Binary Stars

Author(s) -

Sara Gettel,

M. Geske,

Timothy A. McKay

Publication year - 2006

Publication title -

the astronomical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.61

H-Index - 271

eISSN - 1538-3881

pISSN - 0004-6256

DOI - 10.1086/498016

Subject(s) - sky , contact binary , stars , physics , binary number , light curve , astrophysics , spitzer space telescope , luminosity , telescope , astronomy , binary star , mathematics , galaxy , arithmetic

In this work we describe a large new sample of contact binary stars extractedin a uniform manner from sky patrol data taken by the ROTSE-I telescope.Extensive ROTSE-I light curve data is combined with J, H, and K bandnear-infrared data taken from the Two Micron All-Sky Survey (2MASS) to addcolor information. Contact binaries candidates are selected using the observedperiod-color relation. Candidates are confirmed by visual examination of thelight curves. To enhance the utility of this catalog, we derive a new J-Hperiod-color-luminosity relation and use this to estimate distances for theentire catalog. From these distance estimates we derive an estimated contactbinary space density of (1.7 +/- 0.6) x 10^-5 pcs^-3.Comment: 26 pages, 12 figures, accepted for publication in A

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