Evolutionary tracks and isochrones for low- and intermediate-mass stars: From 0.15 to 7 M_\odot, and from Z=0.0004 to 0.03

1999/10/08 by L. Girardi, Leo Girardi, A. Bressan +5 · 12 citations
Physics and Astronomy · #Astronomy and Astrophysical Research #Astrophysics and Star Formation Studies #Stellar, planetary, and galactic studies #astro-ph

paper · pdf · doi:10.1051/aas:2000126

published as Astron.Astrophys.Suppl.Ser.141:371-383,2000 · 13 pages, submitted to A&A Supplement Series. The data tables can be found in electronic form in http://pleiadi.pd.astro.it

arxiv created 1999/10/08 · openalex publication_date 2000/02/01 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/01

Abstract

We present a large grid of stellar evolutionary tracks, which are suitable to modelling star clusters and galaxies by means of population synthesis. The tracks are presented for the initial chemical compositions , , , , (solar composition), and . They are computed with updated opacities and equation of state, and a moderate amount of convective overshoot. The range of initial masses goes from to , and the evolutionary phases extend from the zero age main sequence (ZAMS) till either the thermally pulsing AGB regime or carbon ignition. We also present an additional set of models with solar composition, computed using the classical Schwarzschild criterion for convective boundaries. From all these tracks, we derive the theoretical isochrones in the Johnson-Cousins UBVRIJHK broad-band photometric system.

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