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The VLT-FLAMES Tarantula Survey. XXVIII. Nitrogen abundances for apparently single dwarf and giant B-type stars with small projected rotational velocities

Abstract:

Previous analyses of the spectra of OB-type stars in the Magellanic Clouds have identified targets with low projected rotational velocities and relatively high nitrogen abundances; the evolutionary status of these objects remains unclear. The VLT-FLAMES Tarantula Survey obtained spectroscopy for over 800 early-type stars in 30 Doradus of which 434 stars were classified as B-type. We have estimated atmospheric parameters and nitrogen abundances using TLUSTY model atmospheres for 54 B-type targ...

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

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Publisher copy:
10.1051/0004-6361/201732440

Authors


Dufton, PL More by this author
Thompson, A More by this author
Crowther, PA More by this author
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics; Astrophysics
ORCID:
0000-0002-5965-1022
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Publisher:
EDP Sciences Publisher's website
Journal:
Astronomy and Astrophysics Journal website
Volume:
615
Issue:
2018
Publication date:
2018-07-20
Acceptance date:
2018-03-28
DOI:
ISSN:
1432-0746 and 0004-6361
Pubs id:
pubs:891992
URN:
uri:6f002985-ea55-4284-bfa8-d8dad89157c4
UUID:
uuid:6f002985-ea55-4284-bfa8-d8dad89157c4
Local pid:
pubs:891992

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