Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987pasp...99.1153p&link_type=abstract
Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 99, Nov. 1987, p. 1153-1160.
Astronomy and Astrophysics
Astronomy
22
Color-Magnitude Diagram, Galactic Evolution, Globular Clusters, Stellar Evolution, Halos, Horizontal Branch Stars, Main Sequence Stars, Metallicity, Stellar Luminosity
Scientific paper
Ages have been calculated for 41 globular clusters for which color-magnitude diagram studies allow a determination of the luminosity difference between the horizontal-branch and the main-sequence turnoff point. The data indicate only weak support for a slight difference in age between clusters in the inner halo and those in the outer halo. No correlation between cluster ages and cluster metallicities is found.
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