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Astron. Astrophys. 327, 771-778 (1997)

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Influence of heavy element and rotationally induced diffusions on the solar models

M. Gabriel

Institut d'Astrophysique de l'Université de Liège, 5, avenue de Cointe, B-4000 Liège, Belgium

Received 10 April 1997 / Accepted 26 June 1997

Abstract

We present the results of solar model computation done with the latest Livermore opacities. Models without diffusion, with hydrogen diffusion only and with hydrogen and heavy elements diffusion are considered. The influence of mixing below the convective envelope induced by rotation and angular momentum losses is also discussed. The sound speed of our best model, does not deviate from that of Basu's seismic one by more than about [FORMULA] ; p-mode frequencies are also compared with observations and frequencies for low order p and g-modes are given

Key words: Sun: interior; oscillations – diffusion

Send offprint requests to: M. Gabriel

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© European Southern Observatory (ESO) 1997

Online publication: April 6, 1998
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