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Stellar wind measurements for Colliding Wind Binaries using X-ray observations

Published online by Cambridge University Press:  28 July 2017

Yasuharu Sugawara Open the ORCID record for Yasuharu Sugawara [Opens in a new window] ,
Yoshitomo Maeda  and
Yohko Tsuboi
Yasuharu Sugawara
Affiliation:
Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, 3-1-1 Yoshinodai, Chuo-ku, Sagamihara, Kanagawa 229-8510, Japan email: sugawara.yasuharu@jaxa.jp
Yoshitomo Maeda
Affiliation:
Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, 3-1-1 Yoshinodai, Chuo-ku, Sagamihara, Kanagawa 229-8510, Japan email: sugawara.yasuharu@jaxa.jp
Yohko Tsuboi
Affiliation:
Department of Physics, Faculty of Science & Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo, Tokyo 112-8551, Japan
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Abstract

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We report the results of the stellar wind measurement for two colliding wind binaries. The X-ray spectrum is the best measurement tool for the hot postshock gas. By monitoring the changing of the the X-ray luminosity and column density along with the orbital phases, we derive the mass-loss rates of these stars.

Keywords

binaries: spectroscopicstars: Wolf-RayetX-rays: starsstars: mass loss
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 12 , Symposium S329: The Lives and Death-Throes of Massive Stars , November 2016 , pp. 448
Copyright
Copyright © International Astronomical Union 2017 

References

Gosset, E. & Nazé, Y., 2016, A&A, 590, A113 Google Scholar
Pandey, J. C., Pandey, S. B., & Karmakar, S., 2014, ApJ, 788, 84 Google Scholar
Sugawara, Y., Maeda, Y., Tsuboi, Y., et al. 2015, PASJ, 67, 121 CrossRefGoogle Scholar