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

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.

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Bibliographic Details
Published in:Proceedings of the International Astronomical Union 2014-06, Vol.9 (S307), p.131-132
Main Authors: Peters, Geraldine J., Gies, Douglas R., Wang, Luqian, Grundstrom, Erika D.
Format: Article
Language:English
Subjects:
Astronomical bodies
Astronomical instruments
Astrophysics
B stars
Binary systems
Contributed Papers
Dwarf stars
Searching
Star & galaxy formation
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Description
Summary: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.
ISSN:1743-9213
1743-9221
DOI:10.1017/S174392131400653X