Statistics of the $beta$ Cephei stars
Journal Article
·
· Astron. Astrophys., v. 26, no. 1, pp. 1-9
OSTI ID:4362557
A statistical study of the BETA Cephei variables drawn from a homogeneous and complete sample of early B stars leads to the following conclusions: 1) The percentage of confirmed BETA Cephei variables among the early B stars is comparable to the fraction of the evolutionary lifetime spent in the seeondary contraction and early shell-burning phases. 2) The percentage of binaries among BETA Cephei variables is about the same as that for nonvariable, B-type giants. 3) The classical BETA Cephei variables tend to occur at high galactic latitudes because they are members of the inclined system of the Gould Belt. 4) The BETA Cephei variables occur in associations about as frequently as B stars in general. Those that are members of well-studied associations have positions in the H - R diagram compatible with the evolutionary ages of the associations. (auth)
- Research Organization:
- Univ. of Colorado, Denver
- NSA Number:
- NSA-29-013392
- OSTI ID:
- 4362557
- Journal Information:
- Astron. Astrophys., v. 26, no. 1, pp. 1-9, Journal Name: Astron. Astrophys., v. 26, no. 1, pp. 1-9; ISSN AAEJA
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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