HD 105262 - A possible bright field horizontal-branch star

Details HD 105262 - A possible bright field horizontal-branch star HD 105262 - A possible bright field horizontal-branch star

Jul 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...258l..71g&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor, vol. 258, July 15, 1982, p. L71-L73. Research supported by the Natural Sc

Other

3

Balmer Series, Horizontal Branch Stars, Main Sequence Stars, Spectral Line Width, Stellar Spectra, Stellar Spectrophotometry, Calcium, Giant Stars, Magnesium, Stellar Evolution, Stellar Gravitation, Stellar Motions

Scientific paper

Spectra of the 7th magnitude star HD 105262 identify it as a field horizontal-branch star. The Balmer lines are narrow and the Balmer jump is large, implying a low surface gravity, yet the only other lines detectable at 43 A/mm are Ca II 3933 A and Mg II 4481 A. The space motions of this object are too low for it to have been identified kinematically as a Population II star.

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