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A Search for Hot Subdwarf Companions to Rapidly-Rotating Early B Stars

Published online by Cambridge University Press:  23 January 2015

Geraldine J. Peters ,
Douglas R. Gies ,
Luqian Wang  and
Erika D. Grundstrom
Geraldine J. Peters
Affiliation:
Space Sciences Center & Dept. of Physics & Astronomy, University of Southern California, 835 W. 37th St., Los Angeles, CA 90089-1341, USA email: gjpeters@mucen.usc.edu
Douglas R. Gies
Affiliation:
CHARA & Dept. of Physics & Astronomy, Georgia State University, Atlanta, GA 30302-5060, USA
Luqian Wang
Affiliation:
CHARA & Dept. of Physics & Astronomy, Georgia State University, Atlanta, GA 30302-5060, USA
Erika D. Grundstrom
Affiliation:
Dept. of Physics & Astronomy, Vanderbilt University, Nashville, TN 37206, USA
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Abstract

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We continue to search for O-type subdwarf companions in binary systems containing Be primaries. We were not able to confirm an sdO object in π Aqr and HR 2142, even though optical and UV observations suggest their presence. Some possible reasons are enumerated.

Keywords

(stars:) binaries: closestars: emission-lineBe(stars:) subdwarfs(stars:) circumstellar matterstars: individual (π Aqr, HR 2142)
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 9 , Issue S307: New windows on massive stars: asteroseismology, interferometry, and spectropolarimetry , June 2014 , pp. 131 - 132
Copyright
Copyright © International Astronomical Union 2015 

References

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