De Silva, Gayandhi M; Gibson, Bradley K; Lattanzio, John; Asplund, Martin
Aims. A global O-Na abundance anti-correlation is observed in globular clusters, which, is not present in the Galactic field population. Open clusters are thought to be chemically homogeneous internally. We aim to explore the O and Na abundance pattern among the open cluster population of the Galactic disk. Methods. We combine open cluster abundance ratios of O and Na from high-resolution spectroscopic studies in the literature and normalize them to a common solar scale. We compare the open...[Show more]
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