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Self-consistent stellar evolution models with applications to Milky Way globular clusters and population synthesis.

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Call No.	QB806 .D68 2007
Author	Dotter, Aaron Loveren.
Title	Self-consistent stellar evolution models with applications to Milky Way globular clusters and population synthesis.
Date	2007
Abstract	The Dartmouth Stellar Evolution Program, a state of the art stellar evolution code, has been modified and expanded to increase its versatility. The modifications include: the ability to self-consistently model stars with arbitrary chemical composition, significant improvement in the modelling of very low mass stars, and expanded evolutionary coverage to include core and shell He burning. Models generated by DSEP are intended for general use by the astronomical community and may be obtained from the Dartmouth Stellar Evolution Database (http://stellar.dartmouth.edu/‚àºmodels). The models are confronted with tests from the mass-radius relation in stars less massive than the sun to the first observations of minimum mass stars in a globular cluster. These tests highlight both strengths and weakness in the models and suggest directions for future research. New results are presented on the ages and chemical compositions of the stellar populations in the globular cluster M 54 (NGC 6715). It is believed to be the core of the Sagittarius dwarf elliptical galaxy currently being torn apart by the Milky Way. Finally, a study of the importance of individual chemical elements is presented. The study emphasizes the evolutionary effects of increasing the abundances of ten elements individually. These effects are combined with evolutionary population synthesis to demonstrate the importance of individual element abundances in studying the integrated light properties of distant galaxies.
Description	x, 185 leaves : ill. (some col.) 28 cm.
Format	application/pdf
Advisor	Brian Chaboyer John Thorstensen Gary Wegner Guy Worthey.
Subject	Stars -- Evolution. Stars -- Globular clusters -- Computer simulation. Milky Way.
College	Dartmouth College -- Department of Physics and Astronomy.
Issuing Body	Dartmouth Dissertations are made available through the Dartmouth Digital Library.
Degree	Thesis (Ph.D.)--Dartmouth College.
Copyright	All rights reserved. No part of this book may be reproduced in any form by any electronic or mechanical means without permission in writing from the author.
DOI	http://dx.doi.org/10.1349/ddlp.152

Title	Page 1
Format	application/pdf
Issuing Body	Dartmouth Dissertations are made available through the Dartmouth Digital Library.
Degree	Thesis (Ph.D.)--Dartmouth College.
Full Text	Self-Consistent Stellar Evolution Models with Applications to Milky Way Globular Clusters and Population Synthesis A Thesis Submitted to the Faculty in partial fulfillment of the requirements for the degree of Doctor of Philosophy in Physics and Astronomy by Aaron Loveren Dotter DARTMOUTH COLLEGE Hanover, New Hampshire May 23, 2007 Examining Committee: Prof. Brian Chaboyer, Chair Prof. John Thorstensen Prof. Gary Wegner Prof. Guy Worthey Charles K. Barlowe Dean of Graduate Studies

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Self-consistent stellar evolution models with applications to Milky Way globular clusters and population synthesis.

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