Reference : Nitrogen excess in slowly-rotating beta Cephei stars: deep mixing or diffusion?
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Space science, astronomy & astrophysics
http://hdl.handle.net/2268/31821
Nitrogen excess in slowly-rotating beta Cephei stars: deep mixing or diffusion?
English
Morel, Thierry [Katholieke Universiteit Leuven, Departement Natuurkunde en Sterrenkunde, Instituut voor Sterrenkunde, Celestijnenlaan 200D, 3001 Leuven, Belgium > > > >]
Butler, K. [> > > >]
Aerts, C. [> > > >]
Neiner, C. [> > > >]
Briquet, Maryline mailto [> > > >]
1-Jun-2007
Communications in Asteroseismology
150
199
Yes
International
[en] We present the results of an NLTE abundance study of a small sample of β Cephei stars, which point to the existence of a population of slowly-rotating B-type pulsators exhibiting a significant amount of nitrogen-enriched material at their surface. Although the origin of this nitrogen excess remains unclear, an overabundance preferentially occurring in stars with a detected magnetic field seems to emerge at this stage. Full details can be found in Morel et al. (2006).
http://hdl.handle.net/2268/31821
10.1553/cia150s199
http://adsabs.harvard.edu/abs/2007CoAst.150..199M

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