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Modeling spectra of WR+O colliding wind systems

Published online by Cambridge University Press:  25 May 2016

Grant M. Hill ,
Anthony F.J. Moffat ,
Nicole St-Louis  and
Peter Bartzakos
Grant M. Hill
Affiliation:
McDonald Observatory, University of Texas, USA Université de Montréal, Canada
Anthony F.J. Moffat
Affiliation:
Université de Montréal, Canada
Nicole St-Louis
Affiliation:
Université de Montréal, Canada
Peter Bartzakos
Affiliation:
Université de Montréal, Canada

Extract

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It is crucial to better understand the winds from massive stars. Not only does their mass loss affect their own evolution but it contributes an amount of energy and momentum to the ISM capable of affecting the chemical and dynamical evolution of their environments. Hot star binaries offer an opportunity to learn more. Colliding winds in such systems might be expected to lead to a bow shock which wraps around the star with the weaker wind. As material flows along the shock, it may give rise to extra line emission. Variations in these emission features may allow the characteristics of the shock region to be deduced thus providing a wealth of information about the winds.

Type
Part 3. Interaction of Wolf-Rayet stars and other hot massive stars with their environment: colliding winds and ring nebulae
Information
Symposium - International Astronomical Union , Volume 193: Wolf-Rayet Phenomena in Massive Stars and Starburst Galaxies , 1999 , pp. 360 - 361
Copyright
Copyright © Astronomical Society of the Pacific 1999 

References

Lührs, S. 1997, PASP 109, 504 Google Scholar