Volume 432, Number 1, March II 2005
|Page(s)||225 - 233|
|Section||Stellar structure and evolution|
|Published online||22 February 2005|
Effect of microscopic diffusion on asteroseismic properties of intermediate-mass stars
Département Cassiopée, UMR CNRS 6202, Observatoire de la Côte d'Azur, BP 4229, 06304 Nice Cedex 4, France e-mail: Janine.Provost@obs-nice.fr
2 Niels Bohr Institute, Juliane Maries Vej 30, 2100 Copenhagen, Denmark
Accepted: 31 October 2004
Results on the effects of microscopic diffusion on the modeling and oscillations of solar-like stars are discussed. Comparisons between models with and without microscopic diffusion, subjected to observational constraints, namely effective temperature, luminosity, surface metallicity and mass derived from photometry, spectroscopy and astrometry, are presented. We point out and discuss a signature of microscopic diffusion on the oscillation frequencies.
Key words: stars: oscillations / stars: evolution / stars: oscillation / diffusion
© ESO, 2005
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