The luminosity function of hot white dwarfs

Details The luminosity function of hot white dwarfs The luminosity function of hot white dwarfs

Jun 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980apj...238..685g&link_type=abstract

Astrophysical Journal, Part 1, vol. 238, June 1, 1980, p. 685-698.

Astronomy and Astrophysics

Astrophysics

101

Hot Stars, Stellar Evolution, Stellar Luminosity, Stellar Models, White Dwarf Stars, Density Distribution, Statistical Analysis, Stellar Magnitude, Stellar Radiation, Ultraviolet Radiation

Scientific paper

An analysis is made of a complete sample, based on ultraviolet excess without regard to proper motion, of 89 hot white dwarfs. A model of local star formation is constructed, and the rate of star formation, dynamical evolution of mean distances perpendicular to the galactic plane, and white-dwarf cooling curve from Lamb and Van Horn (1975) are then combined to predict satisfactorily the white-dwarf luminosity function. The total local density of white dwarfs is found to be 1.43 plus or minus 0.28 per 1000 cubic parsecs for M(V) less than 12.75.

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