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Evolution of Stars: The Photospheric Abundance Connection
- G. Michaud, A. Tutukov
- Physics
- 28 February 1991
Consistent Solar Evolution Model Including Diffusion and Radiative Acceleration Effects
- S. Turcotte, J. Richer, G. Michaud, C. Iglesias, F. Rogers
- Physics
- 1 September 1998
The solar evolution has been calculated including all the effects of the diffusion of helium and heavy elements. Monochromatic opacities are used to calculate radiative accelerations and Rosseland…
Implications of WMAP Observations on Li Abundance and Stellar Evolution Models
- O. Richard, G. Michaud, J. Richer
- Physics
- 28 September 2004
The Wilkinson Microwave Anisotropy Probe (WMAP) determination of the baryon-to-photon ratio implies, through big bang nucleosynthesis, a cosmological Li abundance larger, by a factor of 2-3, than the…
Diffusion in white dwarfs - New results and comparative study
- C. Paquette, C. Pelletier, G. Fontaine, G. Michaud
- Physics
- 1 May 1986
On presente de nouvelles estimations des echelles de temps de diffusion des elements lourds dans les naines blanches
Diffusion coefficients for stellar plasmas
- C. Paquette, C. Pelletier, G. Fontaine, G. Michaud
- Physics
- 1 May 1986
On presente une methode approximee de calcul des coefficients de diffusion pour des plasmas denses caracteristiques des enveloppes de naines blanches
Models of Metal-Poor Stars with Gravitational Settling and Radiative Accelerations
- G. Michaud, O. Richard, J. Richer, D. VandenBerg
- Physics
- 20 May 2002
Isochrones for ages between 12 and 18 Gyr have been derived from the evolutionary tracks presented in Paper I (Richard et al.) for masses from 0.5 to 1.0 Mand initial chemical abundances…
Models of metal poor stars with gravitational settling and radiative accelerations: I. evolution and abundance anomalies
- O. Richard, G. Michaud, J. Richer, S. Turcotte, S. Turck-chièze, D. VandenBerg
- Physics
- 1 April 2002
Evolutionary models have been calculated for Population II stars of 0.5-1.0 M? from the pre-main sequence to the lower part of the giant branch. Rosseland opacities and radiative accelerations were…
The Evolution of AmFm Stars, Abundance Anomalies, and Turbulent Transport
- J. Richer, G. Michaud, S. Turcotte
- Physics
- 20 January 2000
Stellar evolution models of stars of 1.45-3.0 M☉ have been calculated, including the atomic diffusion of metals and radiative accelerations for all species in the OPAL opacities. As the abundances…
Models for solar abundance stars with gravitational settling and radiative accelerations: Application to M67 and NGC 188
- G. Michaud, O. Richard, J. Richer, D. VandenBerg
- Physics
- 24 February 2004
Evolutionary models taking into account radiative accelerations, thermal diffusion, and gravitational settling for 28 elements, including all those contributing to OPAL stellar opacities, have been…
Models of Metal-poor Stars with Gravitational Settling and Radiative Accelerations. III. Metallicity Dependence
- O. Richard, G. Michaud, J. Richer, S. Turcotte, S. Turck-chièze, D. VandenBerg
- Physics
- 5 December 2001
Evolutionary models have been calculated for Population II stars of 0.5-1.2 Mfrom the pre-main sequence to the lower part of the giant branch. Models were calculated for Z ¼ 0:017 � 10 � 4 to 0.0068…
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