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The GALAH survey: chemical tagging of star clusters and new members in the Pleiades

Kos, Janez; Bland-Hawthorn, J.; Freeman, Kenneth; Buder, Sven; Traven, Gregor; De Silva, Gayandhi; Sharma, Sanjib; Asplund, Martin; Duong, Ly; Lin, Jinying (Jane); Lind, Karin; Martell, Sarah; Simpson, J. D.; Stello, Dennis; Zucker, Daniel; Zwitter, T.; Anguiano, Borja; Da Costa, Gary; Schlesinger, Katharine; Ting, Yuan


The technique of chemical tagging uses the elemental abundances of stellar atmospheres to ‘reconstruct’ chemically homogeneous star clusters that have long since dispersed. The GALAH spectroscopic survey – which aims to observe one million stars using the Anglo-Australian Telescope – allows us to measure up to 30 elements or dimensions in the stellar chemical abundance space, many of which are not independent. How to find clustering reliably in a noisy high-dimensional space is a difficult...[Show more]

CollectionsANU Research Publications
Date published: 2018
Type: Journal article
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1093/mnras/stx2637
Access Rights: Open Access


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