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Looking for imprints of the first stellar generations in metal-poor bulge field stars

Siqueira-Mello, C.; Chiappini, C; Barbuy, Beatriz; Freeman, Kenneth; Ness, M; Depagne, E.; Cantelli, E.; Pignatari, Marco; Hirschi, Raphael; Frischknecht, U.; Meynet, G.; Maeder, A.

Description

Context. Efforts to look for signatures of the first stars have concentrated on metal-poor halo objects. However, the low end of the bulge metallicity distribution has been shown to host some of the oldest objects in the Milky Way and hence this Galactic component potentially offers interesting targets to look at imprints of the first stellar generations. As a pilot project, we selected bulge field stars already identified in the ARGOS survey as having [Fe/H] ≈−1 and oversolar [α/Fe] ratios,...[Show more]

CollectionsANU Research Publications
Date published: 2016
Type: Journal article
URI: http://hdl.handle.net/1885/152042
Source: Astronomy and Astrophysics
DOI: 10.1051/0004-6361/201628104
Access Rights: Open Access

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