FLAMES spectroscopy of RGB stars in the Globular Cluster NGC 2808: Mass Loss and Na-O Abundances

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Scientific paper

A spectroscopic survey with FLAMES of 137 red giant stars in the globular cluster NGC 2808 has revealed the likely presence of mass loss in a large number of stars among the brightest sample. Chemical inhomogeneities all along the 3-mag monitored interval suggest primordial pollution from a previous generation of intermediate mass stars.

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