Low-mass stars evolutionary tracks & isochrones (Girardi+, 2000)

Details Low-mass stars evolutionary tracks & isochrones (Girardi+, 2000) Low-mass stars evolutionary tracks & isochrones (Girardi+, 2000)

Nov 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000ycat..41410371g&link_type=abstract

VizieR On-line Data Catalog: J/A+AS/141/371. Originally published in: 2000A&AS..141..371G

Computer Science

8

Models: Evolutionary, Photometry: Ubvrijklmnh, Abundances, Effective Temperatures

Scientific paper

These files contain a large database of stellar models that are suitable to modelling star clusters and galaxies by means of population synthesis. They are based on a large grid of stellar evolutionary tracks for the initial chemical compositions [Z=0.0004, Y=0.23], [Z=0.001, Y=0.23], [Z=0.004, Y=0.24], [Z=0.008, Y=0.25], [Z=0.019, Y=0.273] (solar composition), and [Z=0.03, Y=0.30]. Tracks are computed with updated opacities and equation of state, and a moderate amount of convective overshoot. The range of initial masses goes from 0.15M&sun; to 7M&sun;, 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's criterion for convective boundaries. From all these models, we derive: (1) Tables with the main quantities that characterize the stellar structure along the evolutionary tracks; (2) tables of surface chemical composition after the first and second dredge-up events; (3) extended theoretical isochrones in the Johnson-Cousins UBVRIJHK broad-band photometric system, together with summary tables; (4) integrated colours of single-burst stellar populations. (6 data files).

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