An ultraviolet subdwarf companion to HD17576

Details An ultraviolet subdwarf companion to HD17576 An ultraviolet subdwarf companion to HD17576

Oct 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978natur.275..428d&link_type=abstract

Nature, vol. 275, Oct. 5, 1978, p. 428, 429. Research supported by the Science Research Council.

Computer Science

6

Companion Stars, Late Stars, Stellar Luminosity, Stellar Spectrophotometry, Subdwarf Stars, Ultraviolet Spectroscopy, Hot Stars, Main Sequence Stars, White Dwarf Stars

Scientific paper

The object UV0246-37 is a binary system consisting of a previously unrecognized hot ultraviolet star and a cooler G-type primary which wholly dominates the visible region. The composite nature of HD17576 is strikingly confirmed by the uvby photometry. The presence of the ultraviolet star in a binary system with a normal late-type primary made it possible to infer the absolute magnitude to be 6.7. The secondary is markedly subluminous.

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