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O-Star Winds: Is Rotation Important?

Published online by Cambridge University Press:  04 August 2017

Raman Prinja  and
Ian Howarth
Raman Prinja
Affiliation:
Dept. of Physics & Astronomy, University College London, Gower St., London WC1E 6BT
Ian Howarth
Affiliation:
Dept. of Physics & Astronomy, University College London, Gower St., London WC1E 6BT

Extract

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The inclusion of rotation as an ingredient in radiation pressure driven stellar wind models is a nontrivial undertaking. Those bold enough to attempt an investigation of its likely importance include Castor (1979), Abbott (1980), and Marlborough & Zamir (1984), whose work shows that the critical point is expected to move away from the stellar surface with increasing rotation. Observationally, the surface mass flux is predicted to be insensitive to rotation, but the wind acceleration is expected to be less than in a nonrotating star and the terminal velocity smaller.

Type
Poster Papers - Sessions 1 and 2
Information
Symposium - International Astronomical Union , Volume 116: Luminous Stars and Associations in Galaxies , 1986 , pp. 93 - 94
Copyright
Copyright © Reidel 1986 

References

Abbott, D.C., 1980. Astrophys. J., 242, 1183.Google Scholar
Castor, J.I., 1979. IAU Symp. 83: Mass Loss and Evolution of O-type Stars, ed. Conti, P. and de Loore, C.W.H. (Dordrecht: Reidel), p. 175.CrossRefGoogle Scholar
Conti, P., and Ebbets, D., 1977. Astrophys. J., 213, 438.Google Scholar
Marlborough, J.M., and Zamir, M., 1984. Astrophys. J., 276, 706.CrossRefGoogle Scholar