A search for white dwarfs in the solar neighbourhood

Details A search for white dwarfs in the solar neighbourhood A search for white dwarfs in the solar neighbourhood

Dec 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983msngr..34...24r&link_type=abstract

ESO Messenger (ISSN 0722-6691), Dec. 1983, p. 24, 25.

Astronomy and Astrophysics

Astronomy

4

Stellar Spectra, White Dwarf Stars, Astronomical Photometry, Astronomical Spectroscopy, Data Reduction, Ubv Spectra

Scientific paper

The alleged 'deficit' in cool white dwarf stars of the solar neighborhood is contradicted by the application of a 3/2 reduction factor to the white dwarf numbers presently observed, and the extrapolation of this study's small observed sky area to the total area of the Liebert et al (1979) study. Slightly more cool dwarfs are found than had been predicted by theory. This result is noted to require future spectroscopic checks of the photometric identification procedure, as well as a better statistical basis for the identification success ratio. A further result is the substantial increase in the number of observations of southern GD stars.

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