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

Abstract

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.

2 pages, 2 figures, poster at IAUS272

References in corpus (3)

• Non-thermal radio emission from O-type stars. IV. Cyg OB2 No. 8A
• Non-thermal radio emission from O-type stars III. Is Cyg OB2 No. 9 a wind-colliding binary?
• First orbital solution for the non-thermal emitter Cyg OB2 #9

Cited by in corpus (1)

• The 2.35 year itch of Cygnus OB2#9 III. X-ray and radio emission analysis based on three dimensional hydrodynamical modelling