The detection of photospheric calcium in a DBA white dwarf

Details The detection of photospheric calcium in a DBA white dwarf The detection of photospheric calcium in a DBA white dwarf

May 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...328l..65k&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 328, May 15, 1988, p. L65-L68.

Astronomy and Astrophysics

Astrophysics

10

Atmospheric Composition, Calcium, Photosphere, Stellar Mass Accretion, White Dwarf Stars, Absorption Spectra, Line Spectra, Metallicity

Scientific paper

The authors report the detection of photospheric calcium absorption
lines in the white dwarf star G200-39 (DBAZ4). The abundance of calcium
relative to that of hydrogen is approximately solar, a result which
lends support to the hypothesis that accretion of interstellar matter is
responsible for hybrid composition white dwarfs.

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