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Nucleosynthesis from massive rotating stars

Published online by Cambridge University Press:  25 March 2006

T. Montmerle ,
C. Kahane ,
G. Meynet ,
R. Hirschi ,
A. Maeder  and
S. Ekström
G. Meynet
Affiliation:
Geneva Observatory, 1290 Sauverny, Switzerland
R. Hirschi
Affiliation:
Dept. of Physics and Astronomy, University of Basel, 4056 Basel, Switzerland
A. Maeder
Affiliation:
Geneva Observatory, 1290 Sauverny, Switzerland
S. Ekström
Affiliation:
Geneva Observatory, 1290 Sauverny, Switzerland
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Abstract

The inclusion of rotation in massive star models improves the agreement between theory and observations in many respects that are briefly recalled here. Rotational mixing, by changing the chemical profiles in the stellar interiors, has important impacts on nucleosynthesis.We shall first discuss the case of solar metallicity models and then explore consequencesboth in the high and very low metallicity ranges. The effects in very metal–poor stars arespectacular and give new insights on the evolution of the early star generations in the Universe.

Type
Research Article
Information
European Astronomical Society Publications Series , Volume 19: Stars and Nuclei: A Tribute to Manuel Forestini , 2006 , pp. 85 - 100
Copyright
© EAS, EDP Sciences, 2006

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