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The EMBLA Survey -- Metal-poor stars in the Galactic bulge

Howes, Louise M.; Asplund, Martin; Keller, Stefan C; Casey, Andrew R; Yong, David; Lind, Karin; Frebel, Anna; Hays, Austin; Alves-Brito, Alan; Bessell, Michael S.; Casagrande, Luca; Marino, Anna F.; Nataf, David M.; Owen, Christopher I.; Da Costa, Gary; Schmidt, Brian; Tisserand, Patrick

Description

Cosmological models predict the oldest stars in the Galaxy should be found closest to the centre of the potential well, in the bulge. The EMBLA Survey successfully searched for these old, metal-poor stars by making use of the distinctive SkyMapper photometric filters to discover candidate metal-poor stars in the bulge. Their metal-poor nature was then confirmed using the AAOmega spectrograph on the AAT. Here we present an abundance analysis of 10 bulge stars with -2.8<[Fe/H]<-1.7 from...[Show more]

CollectionsANU Skymapper
ANU Research Publications
Date published: 2016-04-29
Type: Journal article
URI: http://hdl.handle.net/1885/122892
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1093/mnras/stw1004

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