Astrophys. J., Suppl. Ser., 178, 89-101 (2008/September-0)
The Dartmouth stellar evolution database.
DOTTER A., CHABOYER B., JEVREMOVIC D., KOSTOV V., BARON E. and FERGUSON J.W.
Abstract (from CDS):
The ever-expanding depth and quality of photometric and spectroscopic observations of stellar populations increase the need for theoretical models in regions of age-composition parameter space that are largely unexplored at present. Stellar evolution models that employ the most advanced physics and cover a wide range of compositions are needed to extract the most information from current observations of both resolved and unresolved stellar populations. The Dartmouth Stellar Evolution Database is a collection of stellar evolution tracks and isochrones that spans a range of [Fe/H] from -2.5 to +0.5, [α/Fe] from -0.2 to +0.8 (for [Fe/H]≤0) or +0.2 (for [Fe/H]>0), and initial He mass fractions from Y=0.245 to 0.40. Stellar evolution tracks were computed for masses between 0.1 and 4 M☉
, allowing isochrones to be generated for ages as young as 250 Myr. For the range in masses where the core He flash occurs, separate He-burning tracks were computed starting from the zero age horizontal branch. The tracks and isochrones have been transformed to the observational plane in a variety of photometric systems including standard UBV(RI)C
, Stromgren uvby
, SDSS ugriz
, 2MASS JHKs
, and HST
ACS/WFC and WFPC2. The Dartmouth Stellar Evolution Database is accessible through a Web site at http://stellar.dartmouth.edu/~models/
where all tracks, isochrones, and additional files can be downloaded.
Galaxy: Globular Clusters: General - Galaxy: Open Clusters and Associations: General - Stars: Evolution
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