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Title:
Self-Consistent Stellar Evolution Models with Updated Physics and Variable Abundances
Authors:
Dotter, Aaron L.; Chaboyer, B.; Baron, E.; Ferguson, J. W.; Jevremovic, D.; Lee, H.; Worthey, G.
Affiliation:
AA(Dartmouth College), AB(Dartmouth College), AC(University of Oklahoma), AD(Wichita State University), AE(University of Oklahoma), AF(Washington State University), AG(Washington State University)
Publication:
2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #40.03; Bulletin of the American Astronomical Society, Vol. 38, p.958
Publication Date:
12/2006
Origin:
AAS
Bibliographic Code:
2006AAS...209.4003D

Abstract

Results from stellar evolution calculations using updated input physics, a detailed equation of state, and model atmosphere boundary conditions in a state of the art stellar evolution code are presented. The stellar evolution models cover evolutionary phases from the pre-main sequence to the onset of thermal pulsations on the asymptotic giant branch. The results are applied to study a variety of topics including: globular cluster age determinations using the data from the HST-ACS Galactic Globular Cluster Survey, the effects of separately enhancing individual elements on the morphology of isochrones in the H-R diagram, very low mass stars in NGC 6397, and stellar population models.
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Physics
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