Thermohaline instability and rotation-induced mixing in low- and intermediate-mass stars

Details Thermohaline instability and rotation-induced mixing in low- and intermediate-mass stars Thermohaline instability and rotation-induced mixing in low- and intermediate-mass stars

Dec 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010sf2a.conf..253l&link_type=abstract

SF2A-2010: Proceedings of the Annual meeting of the French Society of Astronomy and Astrophysics. Eds.: S. Boissier, M. Heydari-

Astronomy and Astrophysics

Astrophysics

Hydrodynamics, Instabilities, Stars: Abundances, Evolution, Rotation, Galaxy: Abundances

Scientific paper

Thermohaline mixing was recently identified as the dominating process that governs the photospheric composition of low-mass bright giant stars (Charbonnel & Zahn 2007a). Here we present the predictions of our stellar models computed with the code STAREVOL, taking into account this mechanism together with rotational mixing. We compare the predictions for the surface abundances with recent observations in evolved stars, and discuss the corresponding ^3He yields in the context of Galactic chemical evolution.

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