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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

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Publisher copy:
10.1051/0004-6361/201732440

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Astrophysics
Role:
Author
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:
0004-6361 and 1432-0746
Source identifiers:
891992
Language:
English
Keywords:
Pubs id:
pubs:891992
UUID:
uuid:6f002985-ea55-4284-bfa8-d8dad89157c4
Local pid:
pubs:891992
Deposit date:
2018-08-13

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