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Rapid orbital decay in detached binaries: Evidence for circumbinary disks

Abstract:

Some short-period, detached binary systems have recently been reported to experience very rapid orbital decay, much faster than is expected from the angular-momentum loss caused by gravitational radiation alone. As these systems contain fully convective stars, magnetic braking is not believed to be operative, making the large orbital-period derivative puzzling. Here we explore whether a resonant interaction between the binary and a surrounding circumbinary (CB) disk could account for the obse...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.3847/2041-8213/aa624a

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Astrophysics
Oxford college:
St Edmund Hall
Role:
Author
National Natural Science Foundation of China More from this funder
University of Henan Province, More from this funder
China Scholarship Council More from this funder
Humboldt Foundation More from this funder
Publisher:
Institute of Physics Publisher's website
Journal:
Astrophysical Journal Letters Journal website
Volume:
837
Issue:
2
Pages:
L19
Publication date:
2017-03-01
Acceptance date:
2017-02-21
DOI:
EISSN:
2041-8213
ISSN:
2041-8205
Source identifiers:
681702
Keywords:
Pubs id:
pubs:681702
UUID:
uuid:426a9f6d-a145-4481-8dcb-3353d4455459
Local pid:
pubs:681702
Deposit date:
2018-02-13

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