The Age and Metallicity Relation of Omega Centauri

Stanford, Laura; Da Costa, Gary; Norris, John; Cannon, Russell

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The Age and Metallicity Relation of Omega Centauri

Date

2006

Authors

Stanford, Laura

Da Costa, Gary

Norris, John

Cannon, Russell

Publisher

IOP Publishing

Abstract

We present a metallicity distribution based on photometry and spectra for 442 ω Centauri cluster members that lie at the main-sequence turnoff region of the color-magnitude diagram. This distribution is similar to that found for the red giant branch. The