Detection of hot components of double stars

Details Detection of hot components of double stars Detection of hot components of double stars

Dec 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990pazh...16.1095t&link_type=abstract

Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 16, Dec. 1990, p. 1095-1098. In Russian. In Russian.

Astronomy and Astrophysics

Astronomy

4

Double Stars, Stellar Luminosity, Stellar Magnitude, Subdwarf Stars, Visible Spectrum, Giant Stars, Hot Stars, Main Sequence Stars

Scientific paper

Observed brightness values for three double stars at 1640 A are considerably greater than expected, which can only be attributed only to the presence of hot components that are weak in the visible spectrum. In the case of the double stars HD 33646 and HD 37904 these weak components are almost certainly hot subdwarfs. The third, HD 158369 may have a component that is of greater absolute magnitude, a main sequence star or even a giant.

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