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A Gaia Data Release 2 catalogue of white dwarfs and a comparison with SDSS
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Gentile Fusillo, N. P., Tremblay, Pier-Emmanuel, Gaensicke, B. T., Manser, Christopher J., Cunningham, T., Cukanovaite, E, Hollands, Mark A., Marsh, Tom, Raddi, Roberto, Jordan, Stefan, Toonen, Silvia, Geier, Stephan, Barstow, Martin and Cummings, Jeffrey D. (2019) A Gaia Data Release 2 catalogue of white dwarfs and a comparison with SDSS. Monthly Notices of the Royal Astronomical Society, 482 (4). pp. 4570-4591. doi:10.1093/mnras/sty3016
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Official URL: https://doi.org/10.1093/mnras/sty3016
Abstract
We present a catalogue of white dwarf candidates selected from the second data release of Gaia (DR2). We used a sample of spectroscopically confirmed white dwarfs from the Sloan Digital Sky Survey (SDSS) to map the entire space spanned by these objects in the Gaia Hertzsprung–Russell diagram. We then defined a set of cuts in absolute magnitude, colour, and a number of Gaia quality flags to remove the majority of contaminating objects. Finally, we adopt a method analogous to the one presented in our earlier SDSS photometric catalogues to calculate a probability of being a white dwarf (PWD) for all Gaia sources that passed the initial selection. The final catalogue is composed of
| Item Type: | Journal Article | ||||||||
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| Divisions: | Faculty of Science > Physics | ||||||||
| SWORD Depositor: | Library Publications Router | ||||||||
| Journal or Publication Title: | Monthly Notices of the Royal Astronomical Society | ||||||||
| Publisher: | Oxford University Press (OUP) | ||||||||
| ISSN: | 1365-2966 | ||||||||
| Official Date: | 1 February 2019 | ||||||||
| Dates: |
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| Volume: | 482 | ||||||||
| Number: | 4 | ||||||||
| Page Range: | pp. 4570-4591 | ||||||||
| DOI: | 10.1093/mnras/sty3016 | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||||
| Related URLs: |
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