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Non-thermal radio emission in Wolf-Rayet stars: is binarity a pre-requisite?
Published online by Cambridge University Press: 25 May 2016
Abstract
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Radio observations of Wolf-Rayet stars currently available in the literature are examined to determine whether binarity is a common feature of WR systems with non-thermal emission. Among 24 stars with observed spectral index values, seven are definite non-thermal emitters, and six others possibly have composite thermal/non-thermal spectra. Stellar companions have been identified in 71% of the non-thermal emitters, strongly supporting a link between non-thermal emission and binarity.
- Type
- Part 3. Interaction of Wolf-Rayet stars and other hot massive stars with their environment: colliding winds and ring nebulae
- Information
- Copyright
- Copyright © Astronomical Society of the Pacific 1999
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