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The Relative Ages of Galactic Globular Clusters
Ata Sarajedini, Brian Chaboyer, Pierre Demarque
We present a review of the present state of knowledge regarding the relative ages of Galactic globular clusters. First, we discuss the relevant galaxy formation models and describe…
The Evolution of Procyon A
Brian Chaboyer, P. Demarque, D. B. Guenther
A grid of stellar evolution models for Procyon A has been calculated. These models include the best physics available to us (including the latest opacities and equation of state) a…
The Age Of Globular Clusters In Light Of Hipparcos: Resolving the Age Problem?
Brian Chaboyer, P. Demarque, Peter J. Kernan +1
We review five independent techniques which are used to set the distance scale to globular clusters, including subdwarf main sequence fitting utilizing the recent Hipparcos paralla…