Non-thermal radio emission from colliding-wind binaries: modelling Cyg OB2 No. 8A and No. 9

Non-thermal radio emission from colliding-wind binaries: modelling Cyg OB2 No. 8A and No. 9

Some OB stars show variable non-thermal radio emission. The non-thermal emission is due to synchrotron radiation that is emitted by electrons accelerated to high energies. The electron acceleration occurs at strong shocks created by the collision of radiatively-driven stellar winds in binary systems...

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Veröffentlicht in:arXiv.org 2010-12
Hauptverfasser: Volpi, Delia, Blomme, Ronny, De Becker, Michael, Rauw, Gregor
Format: Artikel
Sprache:eng
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Astronomical models
Binary stars
Electron acceleration
Massive stars
Physics - High Energy Astrophysical Phenomena
Radio emission
Stellar winds
Synchrotron radiation
Thermal emission
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Blomme, Ronny
De Becker, Michael
Rauw, Gregor
description Some OB stars show variable non-thermal radio emission. The non-thermal emission is due to synchrotron radiation that is emitted by electrons accelerated to high energies. The electron acceleration occurs at strong shocks created by the collision of radiatively-driven stellar winds in binary systems. Here we present results of our modelling of two colliding wind systems: Cyg OB2 No. 8A and Cyg OB2 No. 9.
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subjects Astronomical models
Binary stars
Electron acceleration
Massive stars
Physics - High Energy Astrophysical Phenomena
Radio emission
Stellar winds
Synchrotron radiation
Thermal emission
title Non-thermal radio emission from colliding-wind binaries: modelling Cyg OB2 No. 8A and No. 9
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