Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984pasp...96..305u&link_type=abstract
Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 96, April 1984, p. 305-309.
Astronomy and Astrophysics
Astronomy
4
B Stars, Stellar Spectrophotometry, Supergiant Stars, Ultraviolet Spectra, Variable Stars, Companion Stars, Iue, M Stars, Ubv Spectra
Scientific paper
Low-resolution SWP spectra and high-resolution LWR spectra of the SRc variable star TV Gem have been studied. The available ultraviolet spectrophotometry and UBV photometry of the system can be interpreted in terms of the blended light from a B3.5 IV star and an M1 Iab star. The separation of the two stars is less than about 3 arc sec. Since the magnitude difference is a minimum in the B filter, being about 1.6 mag there, direct observation of TV Gem in a passband at 4400 A under conditions of good seeing might reveal the blue companion. No evidence was found for absorption lines of Mg II formed in the part of the wind of the M star which is projected against the disk of the B star.
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