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O and Na abundance patterns in open clusters of the Galactic disk

De Silva, Gayandhi M; Gibson, Bradley K; Lattanzio, John; Asplund, Martin

Description

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]

CollectionsANU Research Publications
Date published: 2009
Type: Journal article
URI: http://hdl.handle.net/1885/79994
Source: Astronomy and Astrophysics
DOI: 10.1051/0004-6361/200912279

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