SIMBAD references

2000A&A...358..593S - Astronomy and Astrophysics, volume 358, 593-599 (2000/6-2)

An internet server for pre-main sequence tracks of low- and intermediate-mass stars.

SIESS L., DUFOUR E. and FORESTINI M.

Abstract (from CDS):

We present new grids of pre-main sequence (PMS) tracks for stars in the mass range 0.1 to 7.0M. The computations were performed for four different metallicities (Z=0.01, 0.02, 0.03 and 0.04). A fifth table has been computed for the solar composition (Z=0.02), including a moderate overshooting. We describe the update in the physics of the Grenoble stellar evolution code which concerns mostly changes in the equation of state (EOS) adopting the formalism proposed by Pols et al. (1995MNRAS.274..964P) and in the treatment of the boundary condition. Comparisons of our models with other grids demonstrate the validity of this EOS in the domain of very low-mass stars. Finally, we present a new server dedicated to PMS stellar evolution which allows the determination of stellar parameters from observational data, the calculation of isochrones, the retrieval of evolutionary files and the possibility to generate graphic outputs.

Abstract Copyright:

Journal keyword(s): equation of state - stars: evolution - stars: Hertzsprung-Russel (HR) and C-M diagrams - stars: pre-main sequence - astronomical data bases: miscellaneous

Simbad objects: 0

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2020.09.22-07:40:12

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