Masses and the evolution of Wolf-Rayet binaries
Recent polarimetric observations have provided inclinations of double-line spectroscopic binary systems containing Wolf-Rayet stars with O star companions. Therefore, reasonably accurate masses of ten Wolf-Rayet stars in binaries are now known. These data are compared to evolutionary models of massive close binaries based on the scenario that O + O systems evolve into WR + O systems. Good agreement is found between the observations and nonconservative binary models with classical cores for the observed range of contemporary masses. The models with large convective-core overshooting fail to describe systems with Wolf-Rayet stars having observed masses larger than about 10 solar masses. 47 refs.
- Research Organization:
- Wisconsin Univ., Madison (USA)
- OSTI ID:
- 5841953
- Journal Information:
- Astron. J.; (United States), Journal Name: Astron. J.; (United States) Vol. 97; ISSN ANJOA
- Country of Publication:
- United States
- Language:
- English
Similar Records
The close binary frequency of Wolf-Rayet stars as a function of metallicity in M31 and M33
On the rarity of X-ray binaries with Wolf-Rayet donors
Related Subjects
Radio & X-Ray Sources
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
BINARY STARS
COMPARATIVE EVALUATIONS
MAIN SEQUENCE STARS
MASS
MASS TRANSFER
MATHEMATICAL MODELS
SPECTROPHOTOMETRY
STAR EVOLUTION
STARS
STELLAR ACTIVITY
STELLAR WINDS
WOLF-RAYET STARS