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The GALAH Survey: Chemically tagging the Fimbulthul stream to the globular cluster omega Centauri

Simpson, Jeffrey D; Martell, Sarah; Da Costa, Gary; Horner, Jonathan; Wyse, Rosemary F G; Ting, Yuan-Sen; Asplund, Martin; Bland-Hawthorn, Joss; Buder, Sven; De Silva, Gayandhi M.; Freeman, Kenneth; Kos, Janez; Lewis, Geraint Francis; Nordlander, Thomas

Description

Using kinematics from Gaia and the large elemental abundance space of the second data release of the GALAH survey, we identify two new members of the Fimbulthul stellar stream, and chemically tag them to massive, multimetallic globular cluster ω Centauri. Recent analysis of the second data release of Gaia had revealed the Fimbulthul stellar stream in the halo of the Milky Way. It had been proposed that the stream is associated with the ω Cen, but this proposition relied exclusively upon the...[Show more]

CollectionsANU Research Publications
Date published: 2020
Type: Journal article
URI: http://hdl.handle.net/1885/268531
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1093/mnras/stz3105
Access Rights: Open Access

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