Computer Science
Scientific paper
Apr 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982iaus...98..445p&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
11
B Stars, Hydrogen Clouds, Shell Stars, Spectral Energy Distribution, Stellar Mass Accretion, Stellar Models, Eclipsing Binary Stars, Iue, Least Squares Method, Line Spectra, Stellar Envelopes, Stellar Spectra
Scientific paper
IUE low-dispersion spectra and spectral scans made with the Lick Observatory IDS scanners have been combined for 16 shell stars. Eleven objects can be represented by Kurucz (1979) model atmospheres, although some of them display strong shell-type line spectra. Five among them are known binaries. The six remaining objects display complex spectra. A model involving continuum and line radiation from a hydrogen cloud surrounding the accreting component is proposed. A generalization of this model with optically thick segments of the cloud promises to explain even more exotic objects such as beta Lyrae, W Serpentis and possibly epsilon Aurigae.
Dobias Jan J.
Plavec Mirek J.
Stone Remington P. S.
Weiland Janet L.
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