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Mass flow and evolution of UW Canis Majoris

Published online by Cambridge University Press:  14 August 2015

Yoji Kondo ,
George E. McCluskey  and
Jürgen Rahe
Yoji Kondo
Affiliation:
Goddard Space Flight Center, Greenbelt, Md./U.S.A.
George E. McCluskey
Affiliation:
Division of Astronomy, Lehigh University, Bethlehem, Pa./U.S.A.
Jürgen Rahe
Affiliation:
Remeis-Sternwarte Bamberg - Astronomical Institute, University of Erlangen-Nürnberg/F. R. G.

Abstract

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The far-UV spectrum of the eclipsing binary UW CMa (O7f + O-B) had earlier been utilized to derive a mass-loss rate of about 10−6 to 10−5 solar mass per year. The mass flow seems to be basically in the form of a stellar wind emanating from the O7f primary component, with radiation pressure as the controlling factor. The main characteristics that make UW CMa a possible progenitor of a Wolf-Rayet system are discussed.

Type
Session 5: Theory and Mass Loss Rates Binary Stars - Miscellaneous Topics
Information
Symposium - International Astronomical Union , Volume 83: Mass Loss and Evolution of O-Type Stars , 1979 , pp. 281 - 286
Copyright
Copyright © Reidel 1979 

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