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The evolution of close binary stars: conditions in the winds

Published online by Cambridge University Press:  07 August 2017

J.P. de Greve
J.P. de Greve*
Affiliation:
Astronomy Group Vrije Universiteit Brussel, Pleinlaan 2, B1050 Brussels, Belgium [email protected]

Abstract

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The influence of mass transfer in an OB-type binary on the colliding wind characteristics of the following phase of WR binary is examined. We look to the changes in composition and orbital characteristics. Special attention is given to the formation of WR+OB systems and the colliding wind characteristics. The mass-luminosity behaviour after mass transfer is examined. We discuss the influence of the internal state, the composition of the wind, and rotational effects on the mass gainer. Recent models of both single stars and close binaries allow us to derive the dependence of these characteristics on the initial masses of the components. From this, constraints for the wind regimes at the WR+OB stage result.

Keywords

stars: Wolf-Rayetbinary systemsevolutionmass transfer
Type
Session V - Stellar winds and massive binary evolution
Information
Symposium - International Astronomical Union , Volume 163: Wolf-Rayet Stars: Binaries, Colliding Winds, Evolution , 1995 , pp. 291 - 299
Copyright
Copyright © Kluwer 1995 

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