Rebassa-Mansergas, A., Gänsicke, B. T. (Boris T.) and Koester, Detlev, 1941-. (2009) The physical properties of white dwarf-main sequence binaries from SDSS. Journal of Physics: Conference Series, Vol.172 (No.1). 012025. ISSN 1742-6596

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Abstract

We present a catalogue of 1596 white dwarf-main sequence binaries (WDMS) from the spectroscopic Sloan Digital Sky Survey Data Release 6 (SDSS DR6). We select WDMS binary candidates from template fitting all 1.27 million DR6 spectra, using combined constraints in both chi(2) and signal-to-noise ratio (S/N). In addition, we use Galaxy Evolution Explorer (GALEX) and UKIRT Infrared Sky Survey (UKIDSS) magnitudes to search for objects in which one of the two components dominates the SDSS spectrum. We use a decomposition/fitting technique to measure the effective temperatures, surface gravities, masses and distances to the white dwarfs, as well as the spectral types and distances to the companions in our catalogue.

Item Type:	Journal Article
Subjects:	Q Science > QB Astronomy
Divisions:	Faculty of Science > Physics
Library of Congress Subject Headings (LCSH):	White dwarf stars, Sloan Digital Sky Survey
Journal or Publication Title:	Journal of Physics: Conference Series
Publisher:	Institute of Physics Publishing Ltd.
ISSN:	1742-6596
Date:	July 2009
Volume:	Vol.172
Number:	No.1
Number of Pages:	8
Page Range:	012025
Identification Number:	10.1088/1742-6596/172/1/012025
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access
Version or Related Resource:	Paper presented at: 16th European White Dwarfs Workshop, Barcelona, Spain, 30 Jun - 4 Jul 2008
Conference Paper Type:	Paper
Type of Event:	Workshop
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URI:	http://wrap.warwick.ac.uk/id/eprint/16569

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