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The investigation of particle acceleration in colliding-wind massive binaries with SIMBOL-X
M. De Becker, G. Rauw, J. M. Pittard +4
An increasing number of early-type (O and Wolf-Rayet) colliding wind binaries (CWBs) is known to accelerate particles up to relativistic energies. In this context, non-thermal emis…
Particle acceleration in the colliding winds binary WR140
J. M. Pittard, S. M. Dougherty
Massive WR+O star systems produce high-temperature, shock-heated plasma where the wind of the WR star and that of its binary companion collide - the wind-collision region (WCR). Th…
The Colliding Winds of WR146: Seeing the Works
E. P. O'Connor, S. M. Dougherty, J. M. Pittard +1
WR146 is a WC6+O8 colliding-wind binary (CWB) system with thermal emission from the stellar winds of the two stars, and bright non-thermal emission from the wind-collision region (…
X-ray and radio emission from colliding stellar winds
J. M. Pittard, S. M. Dougherty, R. F. Coker +1
The collision of the hypersonic winds in early-type binaries produces shock heated gas, which radiates thermal X-ray emission, and relativistic electrons, which emit nonthermal rad…
Probing Colliding Wind Binaries with High-Resolution X-ray Spectra
D. B. Henley, I. R. Stevens, J. M. Pittard +2
X-ray line profiles represent a new way of studying the winds of massive stars. In particular, they enable us to probe in detail the wind-wind collision in colliding wind binaries,…
Multi-Wavelength Observations of Colliding Stellar Winds
M. F. Corcoran, J. M. Pittard, I. R. Stevens +2
Massive colliding wind binary stars serve as laboratories for the study of strong-shock physics. In these systems fundamental flow parameters (velocities, densities, directions) ar…