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| Paper: |
An X-Ray Survey of Colliding Wind Binaries |
| Volume: |
465, Four Decades of Massive Star Research - A Scientific Meeting in Honor of Anthony J. Moffat |
| Page: |
301 |
| Authors: |
Gagné, M.; Fehon, G.; Savoy, M. R.; Cartagena, C. A.; Cohen, D. H.; Owocki, S. P. |
| Abstract: |
We have compiled a list of 35 O + O binaries and 86 Wolf-Rayet (WR) binaries in the Milky Way and Magellanic clouds detected
with the Chandra, XMM-Newton, and ROSAT satellites to probe the connection
between their X-ray properties and their system characteristics.
Of the WR binaries with published model parameters,
all have log LX > 32, kT > 1 keV
and log LX/Lbol > -7.
The most X-ray luminous WR binaries are typically very long period systems.
The WR binaries show a nearly four-order of magnitude spread in X-ray luminosity, even among
among systems with very similar WR primaries.
Among the O + O binaries, short-period systems have soft X-ray spectra
and longer period systems show harder X-ray spectra
again with a large spread in LX/Lbol. |
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