A model atmosphere analysis of HD 25823

Details A model atmosphere analysis of HD 25823 A model atmosphere analysis of HD 25823

Dec 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987ap%26ss.139..295b&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 139, no. 2, Dec. 1987, p. 295-304. Research supported by the Scientific an

Astronomy and Astrophysics

Astrophysics

6

Abundance, Metallicity, Peculiar Stars, Stellar Atmospheres, Stellar Models, A Stars, Fine Structure, H Gamma Line, Heavy Ions, Line Spectra, Stellar Spectrophotometry

Scientific paper

Photographic region spectrograms and fully line-blanketed model atmospheres are used in an abundance analysis of the chemically peculiar star HD 25823. It is assumed that the conventional LTE approximation will provide fairly accurate estimates of differential abundances. Model parameters have been determined based on H-gamma profiles and photometric data. The results show an overabundance of the heavier elements in HD 25823 relative to the sun and to normal A and B stars.

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