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A new stellar chemo-kinematic relation reveals the merger history of the milky way disk

Minchev, I; Chiappini, C; Martig, M; Steinmetz, M.; de Jong, R. S.; Boeche, C; Scannapieco, C; Zwitter, T; Wyse, Rosemary F G; Freeman, Kenneth; Binney, J.; Navarro, J F

Description

The velocity dispersions of stars near the Sun are known to increase with stellar age, but age can be difficult to determine, so a proxy like the abundance of α elements (e.g., Mg) with respect to iron, [α/Fe], is used. Here we report an unexpected beha

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
URI: http://hdl.handle.net/1885/77391
Source: Astrophysical Journal Letters
DOI: 10.1088/2041-8205/781/1/L20

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