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Sampling the Local White Dwarfs


Jay Holberg


University of Arizona, LPL



The sample of local white dwarfs within 20 pc of the sun currently contains some 126 stars and is about 80% complete. Beyond this distance completeness falls significantly. Nevertheless, there are many compelling reasons for extending the local sample to greater distances, while simultaneously maintaining a high level of completeness. Justifications for such a larger relatively unbiased local sample include determinations of the luminosity white dwarf function as well as better characterizations of the degenerate population in terms of, binarity, space motions, and photospheric chemical compositions. I will discuss prospects for expanding the local sample and some of the information that can be expected from it.

Date: Thursday, 27 January 2011
Time: 11:30
Where: Université de Montréal
  Pavillon Roger-Gaudry, Local D-460
Contact: Pierre Bergeron
 

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