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The GALAH survey: Properties of the Galactic disc(s) in the solar neighbourhood

Duong, Ly; Freeman, Kenneth; Asplund, Martin; Casagrande, Luca; Lin, Jinying (Jane); Schlesinger, Katharine; Da Costa, Gary; Nataf, David; Ting, Yuan; Lind, Karin; Bland-Hawthorn, Joss; Lewis, Geraint Francis; Sharma, S; Zwitter, T; Kafle, P R; Reid, W; Stello, Dennis; Wyse, Rosemary F G


Using data from the GALAH pilot survey, we determine properties of the Galactic thin and thick discs near the solar neighbourhood. The data cover a small range of Galactocentric radius (7.9 RGC 9.5 kpc), but extend up to 4 kpc in height from the Galactic plane, and several kpc in the direction of Galactic anti-rotation (at longitude 260◦ ≤ ≤ 280◦). This allows us to reliably measure the vertical density and abundance profiles of the chemically and kinematically defined ‘thick’ and ‘thin’...[Show more]

CollectionsANU Research Publications
Date published: 2018-06
Type: Journal article
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1093/MNRAS/STY525
Access Rights: Open Access


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