Subdwarfs or cool DA white dwarfs

Details Subdwarfs or cool DA white dwarfs Subdwarfs or cool DA white dwarfs

Oct 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977apj...217l..65w&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor, vol. 217, Oct. 1, 1977, p. L65-L68.

Astronomy and Astrophysics

Astrophysics

16

Stellar Spectrophotometry, Subdwarf Stars, White Dwarf Stars, Balmer Series, Stellar Atmospheres, Stellar Temperature

Scientific paper

Spectroscopic and photometric discriminants which can be used to distinguish cool metal-deficient DA white dwarfs from subdwarfs are discussed. It is shown that due to the effects of convection on the atmosphere structure, a white dwarf has a Balmer-line spectrum which is quite distinct from that of a subdwarf of the same effective temperature.

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