On the interpretation of the EXOSAT photometry of two hot DA white dwarfs

Details On the interpretation of the EXOSAT photometry of two hot DA white dwarfs On the interpretation of the EXOSAT photometry of two hot DA white dwarfs

Dec 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apj...364..647v&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 364, Dec. 1, 1990, p. 647-656.

Astronomy and Astrophysics

Astronomy

7

Exosat Satellite, Stellar Atmospheres, Stellar Spectrophotometry, Ultraviolet Astronomy, White Dwarf Stars, X Ray Astronomy, X Ray Stars, Astronomical Photometry, Atmospheric Composition, Atmospheric Models, Iue

Scientific paper

Exosat photometric observations of the hot DA white dwarfs GD 2 and EG 70 are presented and analyzed using model atmosphere and synthetic spectrum calculations. The numerical accuracy of the calculations and their impact on the reliability of the results are addressed. The optimum atmospheric parameters that explain the complete spectral coverage are derived. The consequences of these conjectures for the spectral evolution theory of white dwarf stars are considered.

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