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The physical properties of white dwarf-main sequence binaries from SDSS
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Rebassa-Mansergas, A., Gaensicke, B. T. and Koester, Detlev (2009) The physical properties of white dwarf-main sequence binaries from SDSS. Journal of Physics: Conference Series, Vol.172 (No.1). 012025. doi:10.1088/1742-6596/172/1/012025 ISSN 1742-6596.
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Official URL: http://dx.doi.org/10.1088/1742-6596/172/1/012025
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 | ||||
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Subjects: | Q Science > QB Astronomy | ||||
Divisions: | Faculty of Science, Engineering and Medicine > 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 | ||||
Official Date: | July 2009 | ||||
Dates: |
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Volume: | Vol.172 | ||||
Number: | No.1 | ||||
Number of Pages: | 8 | ||||
Page Range: | 012025 | ||||
DOI: | 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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