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How Frequent is Evolutionary Spin-Up in Binary Be Stars?

Published online by Cambridge University Press:  26 May 2016

M. Maintz ,
Th. Rivinius ,
S. Štefl  and
O. Stahl
M. Maintz
Affiliation:
Landessternwarte Königstuhl, D-69117 Heidelberg, Germany
Th. Rivinius
Affiliation:
Landessternwarte Königstuhl, D-69117 Heidelberg, Germany ESO, Karl-Schwarzschild-Str. 2, D-85748 Garching, Germany
S. Štefl
Affiliation:
Astronomical Institute, Academy of Sciences, CZ-251 65 Ondřejov, Czech Republic
O. Stahl
Affiliation:
Landessternwarte Königstuhl, D-69117 Heidelberg, Germany

Abstract

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Satellite absorptions are identified as a general feature of Be binaries. In addition, Be + sdO binaries seem to show a characteristic short-term emission variability and short-lived shell events. The identification of such features can ease the search for further Be binaries with hot companions to allow an estimate of the fraction of Be Stars, possibly spun-up through binary evolution.

Type
Session 1 Observations of Rotating Stars
Information
Symposium - International Astronomical Union , Volume 215: Stellar Rotation , 2004 , pp. 95 - 96
Copyright
Copyright © Astronomical Society of the Pacific 2004 

References

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