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On the radial distribution of stars of different stellar generations in the globular cluster NGC 3201

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arxiv 1006.5867 v1 pith:P4MFP2CA submitted 2010-06-30 astro-ph.GA

On the radial distribution of stars of different stellar generations in the globular cluster NGC 3201

classification astro-ph.GA
keywords starsradialclusterdifferentdistributionfirstgenerationgenerations
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We study the radial distribution of stars of different stellar generations in the globular cluster NGC 3201. From recently published multicolour photometry, a radial dependence of the location of stars on the giant branch was found. We coupled the photometric information to our sample of 100 red giants with Na, O abundances and known classification as first or second-generation stars. We find that giants stars of the second generation in NGC 3201 show a tendency to be more centrally concentrated than stars of the first generation, supporting less robust results from our spectroscopic analysis.

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