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P82 |
June
2003
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To be published in:
Massive Stars: Formation, Evolution, Internal Structure
and Environnement, eds. M. Heydari-Malayeri and J.-P. Zahn
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Massive Binaries and Colliding Winds
G. Rauw1,*
1 Institut d'Astrophysique et de Géophysique - Université de Liège, Allée du 6 Août, Bât B5c, B-4000 Liège (Sart Tilman), Belgium
* Research Associate FNRS, Belgium
In this contribution, I review recent results from observational
investigations of early-type binaries of spectral types O and Wolf-Rayet.
These studies aim at an accurate determination of fundamental parameters
such as masses and radii of the most massive stars. In addition,
multi-wavelength analyses of wind collisions in massive binaries
provide constraints on the properties of stellar winds of massive stars
and shock physics of cosmic plasmas.
binaries: spectroscopic -- stars: early-type -- stars: fundamental parameters
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