Generation of X-ray and radio emission by binary Wolf-Rayet stars

Details Generation of X-ray and radio emission by binary Wolf-Rayet stars Generation of X-ray and radio emission by binary Wolf-Rayet stars

Jan 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989plap.work..125g&link_type=abstract

In ESA, Proceedings of an International School and Workshop on Plasma Astrophysics, Volume 1 p 125-129 (SEE N89-24910 18-75)

Astronomy and Astrophysics

Astrophysics

Cosmic X Rays, Plasma Heating, Radio Bursts, Stellar Radiation, Wolf-Rayet Stars, Gas Flow, Shock Waves, Stellar Winds, Supersonic Flow, Temperature Distribution

Scientific paper

The supersonic flow of the ionized gas in WR+OB binaries and X-ray generation are considered. X-ray emission is caused by gas heating up to temperatures of 10 million to 100 million K behind the front of shock waves which are formed in the collision of gas flowing out from the WR star with either the OB star's surface, or the gas of the OB star's wind. The distribution of hot gas temperature and concentration behind the shock front are obtained. Using these distribution, the spectral power of bremsstrahlung X-ray emission of hot gas is calculated. The probable nature of the WR star nonthermal radio emission is also discussed.

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