Computer Science
Scientific paper
Apr 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982iaus...98..347d&link_type=abstract
In: Be stars; Proceedings of the Symposium, Munich, West Germany, April 6-10, 1981. (A83-10301 01-90) Dordrecht, D. Reidel Publi
Computer Science
4
B Stars, Binary Stars, Stellar Evolution, Variable Stars, X Ray Binaries, X Ray Sources, X Ray Stars, Line Spectra, Stellar Models, Stellar Rotation, Visible Spectrum
Scientific paper
The parameters of Be X-ray binaries, the most important spectral lines of three such sources, and the evolutionary tracks and positions of Be components are discussed. It is found necessary to study the variability of the entire spectral range, from X-rays to IR, in order to determine whether Be X-ray sources are binaries. Although an optical orbit has not yet been derived for any of the sources in question, two arguments are adduced on behalf of their binary character: the fact that the X-ray pulsation is the signature of a rotating compact object, and the determination that several classical Be stars are binaries. Such systems could be precursors for Be X-ray systems.
Burger Marc
de Loore Camiel
Mouchet Martine
van Dessel Edwin L.
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