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The ages of (the oldest) stars

Published online by Cambridge University Press:  02 August 2018

M. Catelan
M. Catelan*
Affiliation:
Pontificia Universidad Católica de Chile, Facultad de Física, Instituto de Astrofísica, Av. Vicuña Mackenna 4860, 782-0436 Macul, Santiago, Chile email: mcatelan@astro.puc.cl Millennium Institute of Astrophysics, Santiago, Chile
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Abstract

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Much progress has been achieved in the age-dating of old stellar systems, and even of individual stars in the field, in the more than sixty years since the evolution of low-mass stars was first correctly described. In this paper, I provide an overview of some of the main methods that have been used in this context, and discuss some of the issues that still affect the determination of accurate ages for the oldest stars.

Keywords

stars: evolutionstars: distancesstars: fundamental parametersstars: Population IIGalaxy: haloglobular clusters: general
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 13 , Symposium S334: Rediscovering our Galaxy , July 2017 , pp. 11 - 20
Copyright
Copyright © International Astronomical Union 2018 

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