A catalog of candidate field horizontal-branch stars.

Details A catalog of candidate field horizontal-branch stars. A catalog of candidate field horizontal-branch stars.

Aug 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apjs...67..461b&link_type=abstract

Astrophysical Journal Supplement Series (ISSN 0067-0049), vol. 67, Aug. 1988, p. 461-501. Research supported by Michigan State U

Physics

44

Astronomical Catalogs, Horizontal Branch Stars, Milky Way Galaxy, Stellar Luminosity, Brightness Distribution, Galactic Evolution, Late Stars, Main Sequence Stars, Radial Velocity, Stellar Physics

Scientific paper

Coordinates and brightness estimates are presented for 4408 candidate field horizontal-branch stars selected using an objective-prism, interference-filter survey technique. The candidates lie primarily in the southern Galactic hemisphere, and are distributed in color over the range B-V from -0.2 to 0.40. Previous spectroscopic observation of a subset of these candidates indicates that roughly 85 percent of the catalog objects are bona fide members of the field blue horizontal branch. The remaining candidates include, in order of frequency, stars with main-sequence gravity which are likely to be a mix of metal-deficient turnoff stars and field blue stragglers, metallic line (Am) stars, A stars of near-solar metallicity, and high-luminosity or binary stars.

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