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

Details 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

2010-12-15

arxiv.org/abs/1012.3403v1

Astronomy and Astrophysics

Astrophysics

High Energy Astrophysical Phenomena

2 pages, 2 figures, poster at IAUS272

Scientific paper

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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