Article (Scientific journals)
Abundances of light elements in halo dwarfs - A re-analysis
Magain, Pierre
1987In Astronomy and Astrophysics, 179, p. 176-180
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Keywords :
ABUNDANCE; DWARF STARS; LIGHT ELEMENTS; STELLAR ATMOSPHERES; ALUMINUM; CHEMICAL EVOLUTION; MAGNESIUM; SILICON
Abstract :
[en] The abundances of a few light elements in the atmospheres of halo dwarfs are redetermined on the basis of literature data reanalysed in an homogeneous way. It is shown that the scatter of the resulting Mg and Al abundances is strongly reduced and that no discrepancy remains between the abundances deduced from blue and red lines. Mg, Si and Ca show constant overabundances while the Al overdeficiency seems in agreement with the predictions of explosive carbon burning.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Magain, Pierre  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Astrophysique et traitement de l'image
Language :
English
Title :
Abundances of light elements in halo dwarfs - A re-analysis
Publication date :
01 June 1987
Journal title :
Astronomy and Astrophysics
ISSN :
0004-6361
eISSN :
1432-0746
Publisher :
EDP Sciences, Les Ulis, France
Volume :
179
Pages :
176-180
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 04 February 2010

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