On the identification of field horizontal-branch A stars

Details On the identification of field horizontal-branch A stars On the identification of field horizontal-branch A stars

Jan 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991pasp..103...63p&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 103, Jan. 1991, p. 63-66. Research supported by the Cit

Astronomy and Astrophysics

Astronomy

5

A Stars, Horizontal Branch Stars, Stellar Composition, Stellar Spectrophotometry, Charge Coupled Devices, H Alpha Line, Milky Way Galaxy, Stellar Color

Scientific paper

Field horizontal-branch A-star candidates are found by spectroscopic and colorimetric surveys. To confirm their status four-color, H-beta photometry and ultraviolet spectrophotometry have been employed. In this paper, the importance of high-dispersion spectroscopy to identify nonclass members by inspection is demonstrated. The final confirmation of class membership requires an elemental abundance analysis.

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