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Effects of rotation and magnetic fields on the structure and surface abundances of solar-type stars

Eggenberger, P. ; Maeder, A. ; Meynet, G.

In: Proceedings of the International Astronomical Union, 2009, vol. 5, no. S268, p. 381-386

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    Titre
    • Effects of rotation and magnetic fields on the structure and surface abundances of solar-type stars
    Auteur
    • Eggenberger, P.. Observatoire de Genève, Université de Genève, 51 Ch. des Maillettes, CH-1290 Versoix, Suisse email: patrick.eggenberger@unige.ch; andre.maeder@unige.ch; georges.meynet@unige.ch
    • Maeder, A.. Observatoire de Genève, Université de Genève, 51 Ch. des Maillettes, CH-1290 Versoix, Suisse email: patrick.eggenberger@unige.ch; andre.maeder@unige.ch; georges.meynet@unige.ch
    • Meynet, G.. Observatoire de Genève, Université de Genève, 51 Ch. des Maillettes, CH-1290 Versoix, Suisse email: patrick.eggenberger@unige.ch; andre.maeder@unige.ch; georges.meynet@unige.ch
    Type de document
    • Postprint
    Langue
    • Inglese
    Publié dans
    • Proceedings of the International Astronomical Union, 2009, vol. 5, no. S268, p. 381-386. Cambridge University Press
    Autre version électronique
    Identifiant OAI-PMH
    • oai:doc.rero.ch:291236
    Summary
    The effects of shellular rotation on the modelling of solar-type stars (in particular internal structure, evolutionary tracks in the HR diagram, lifetimes and surface abundances) are first examined. Then the effects of a dynamo possibly occuring in the internal stellar radiative zone by imposing nearly solid body rotation are studied. These results are finally discussed in the context of the rotational history of exoplanet host stars and the link between lithium depletion and the presence of exoplanets