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Rejuvenation of stellar mergers and the origin of magnetic fields in massive stars

Abstract:

Approximately 10 per cent of massive OBA main-sequence (MS) and pre-MS stars harbour strong, large-scale magnetic fields. At the same time, there is a dearth of magnetic stars in close binaries. A process generating strong magnetic fields only in some stars must be responsible with the merging of pre-MS and MS stars being suggested as one such channel. Stars emerging from the coalescence of two MS stars are rejuvenated, appearing younger than they are. They can therefore be identified by comp...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's version

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Publisher copy:
10.1093/mnras/stw148

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Astrophysics
Role:
Author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Astrophysics
Role:
Author
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Funding agency for:
Schneider, FRN
Publisher:
Oxford University Press Publisher's website
Journal:
Monthly Notices of the Royal Astronomical Society Journal website
Volume:
457
Issue:
3
Pages:
2355-2365
Publication date:
2016-02-05
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
URN:
uuid:073deef9-9051-4856-b6db-d222d33bfa62
Source identifiers:
598254
Local pid:
pubs:598254

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