The age of the LMC globular cluster NGC 2213

Details The age of the LMC globular cluster NGC 2213 The age of the LMC globular cluster NGC 2213

Oct 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985apj...297..582d&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 297, Oct. 15, 1985, p. 582-592.

Astronomy and Astrophysics

Astrophysics

28

Globular Clusters, Magellanic Clouds, Stellar Evolution, Astronomical Photometry, Charge Coupled Devices, Color-Magnitude Diagram, Metallicity

Scientific paper

The age of the LMC red globular cluster NGC 2213 has been estimated as 1.3±0.5×109yr from a color-magnitude diagram, derived from CCD photometry, that reveals the cluster main sequence. The accuracy of the age estimate is limited by uncertainty in the LMC distance modulus, by uncertainty in the cluster metal abundance, by uncertainty in the reddening of cluster, and by uncertainty in the extent to which the theoretical isochrones are affected by the neglect of the interior mixing caused by convective overshoot in the stellar cores.

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