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Spectral analysis of Wolf-Rayet binary systems

Published online by Cambridge University Press:  25 February 2014

T. Shenar ,
D. Pasemann ,
R. Hainich ,
A. Sander  and
W.-R. Hamann
T. Shenar
Affiliation:
Institute of Physics and Astronomy, University of Potsdam, Germany
D. Pasemann
Affiliation:
Institute of Physics and Astronomy, University of Potsdam, Germany
R. Hainich
Affiliation:
Institute of Physics and Astronomy, University of Potsdam, Germany
A. Sander
Affiliation:
Institute of Physics and Astronomy, University of Potsdam, Germany
W.-R. Hamann
Affiliation:
Institute of Physics and Astronomy, University of Potsdam, Germany
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Abstract

A large fraction of the Wolf-Rayet stars reside in binary or multiple systems. While multiple systems provide information which is not accessible for single stars, their composite spectra are harder to analyze. For this reason, quantitative spectral analyses of WR binaries have been vastly excluded so far. We present first attempts in analyzing multiple systems using the non-LTE Potsdam Wolf-Rayet (PoWR) model atmosphere code.

Type
Research Article
Information
European Astronomical Society Publications Series , Volume 64: Setting a New Standard in the Analysis of Binary Stars , 2013 , pp. 427 - 428
Copyright
© EAS, EDP Sciences, 2014

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References

Foellmi, C., Moffat, A.F.J., & Guerrero, M.A., 2003, MNRAS, 338, 1025CrossRef
Hamann, W.-R., Gräfener, G., & Liermann, A., 2006, A&A, 457, 1015