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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: [email protected]
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

Bagnuolo, W. G. Jr, Gies, D. R., Hahula, M. E., Wiemker, R., & Wiggs, M. S. 1994, ApJ 423, 446Google Scholar
Bate, M. R., Lubow, S. H., Ogilvie, G. I., & Miller, K. A. 2003, MNRAS 341, 213Google Scholar
Gies, D. R., Bagnuolo, W. G. Jr, Ferrara, E. C., et al. 1998, ApJ 493, 440Google Scholar
Lanz, T. & Hubeny, I. 2003, ApJS 146, 417Google Scholar
Ogilvie, G. I. & Lubow, S. H. 2002, MNRAS 330, 950Google Scholar
Peters, G. J. 1972, PASP 84, 334Google Scholar
Peters, G. J. 1983, PASP 95, 311Google Scholar
Peters, G. J. 2001, Publications of the Astronomical Institute of the Czechoslovak Academy of Sciences 89, 30Google Scholar
Peters, G. J. & Gies, D. R. 2002, in Tout, C. A. & van Hamme, W. (eds.), Exotic Stars as Challenges to Evolution, Vol. 279 of Astronomical Society of the Pacific Conference Series, p. 149Google Scholar
Peters, G. J., Gies, D. R., Grundstrom, E. D., & McSwain, M. V. 2008, ApJ 686, 1280Google Scholar
Peters, G. J., Pewett, T. D., Gies, D. R., Touhami, Y. N., & Grundstrom, E. D. 2013, ApJ 765, 2Google Scholar
Zharikov, S. V., Miroshnichenko, A. S., Pollmann, E., et al. 2013, A&A 560, A30Google Scholar