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The Gaia-ESO Survey: Abundance ratios in the inner-disk open clusters Trumpler 20, NGC 4815, NGC 6705

Magrini, Laura; Randich, S; Romano, D; Friel, Eileen D.; Bragaglia, Angela; Smiljanic, R; Jacobson, Heather R; Vallenari, A; Tosi, Monica; Spina, L; Asplund, Martin

Description

Context. Open clusters are key tools to study the spatialdistribution of abundances in the disk and their evolution with time. Aims. Using the first release of stellar parameters and abundances of the Gaia-ESO Survey, we analyse the chemical properties of stars in three old/intermediate-age open clusters, namely NGC 6705, NGC 4815, and Trumpler 20, which are all located in the inner part of the Galactic disk at Galactocentric radius RGC ~ 7 kpc. We aim to prove their homogeneity and to compare...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
URI: http://hdl.handle.net/1885/69756
Source: Astronomy and Astrophysics
DOI: 10.1051/0004-6361/201322977

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