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Evolutionary Models For Be X-Ray Binaries

Published online by Cambridge University Press:  23 September 2016

C. de Loore  and
C. H. B. Sybesma
C. de Loore
Affiliation:
Astrophysical Institute, Free University Brussels, Belgium
C. H. B. Sybesma
Affiliation:
Astrophysical Institute, Free University Brussels, Belgium

Extract

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Be X-ray binaries have the following general characteristics of interest for evolutionary scenarios: the spectral type of the non-compact star is B2 - 09 (e), the orbital periods are large, ranging from 16 to 581 days, the orbital eccentricities can be large, which could be related to the fact that the X-ray stages are transient; the masses of the optical components range from 10 to 20 M⊙ and their radii are relatively small (5 - 10 R⊙). The optical luminosity is lower than 3 x 10 4L⊙.

Type
V. Evolutionary Status of Be Stars
Information
International Astronomical Union Colloquium , Volume 92: Physics of Be Stars , August 1987 , pp. 514 - 515
Copyright
Copyright © Cambridge University Press 1987

References

Arnett, W. D., 1986, personal communication.Google Scholar
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Sybesma, C. H. B., 1986, Astron. Astrophys., 159, 108.Google Scholar