The space distribution of DA white dwarfs

Details The space distribution of DA white dwarfs The space distribution of DA white dwarfs

Oct 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989mnras.240..533b&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 240, Oct. 1, 1989, p. 533-549.

Astronomy and Astrophysics

Astronomy

29

Spatial Distribution, Star Distribution, White Dwarf Stars, Maximum Likelihood Estimates, Stellar Color, Stellar Luminosity, Stellar Magnitude

Scientific paper

The scale height and luminosity function of DA white dwarfs are determined based on a sample of 41 spectroscopically identified faint white dwarfs which are part of the AAT QSO survey (Boyle et al., 1988). Using the value for the scale height of 275 + or - 50 pc calculated by maximum likelihood techniques, the local luminosity function for the AAT sample is shown to agree well with that obtained for a Palomar DA white dwarf sample, particularly in the overall normalization of the luminosity function. The local space density of DA white dwarfs with Mv of less than 12.75 mag is found to be 0.60 + or - 0.09/1000 cu pc.

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