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The SkyMapper DR1.1 search for extremely metal-poor stars

Da Costa, Gary; Bessell, Michael; Mackey, Dougal; Nordlander, Thomas; Asplund, Martin; Casey, Andrew; Frebel, Anna; Lind, Karin; Marino, Anna Fabiola; Murphy, Simon; Norris, John; Schmidt, Brian; Yong, David


We present and discuss the results of a search for extremely metal-poor stars based on photometry from data release DR1.1 of the SkyMapper imaging survey of the southern sky. In particular, we outline our photometric selection procedures and describe the low-resolution (R ≈ 3000) spectroscopic follow-up observations that are used to provide estimates of effective temperature, surface gravity, and metallicity ([Fe/H]) for the candidates. The selection process is very efficient: of the 2618...[Show more]

CollectionsANU Research Publications
Date published: 2019
Type: Journal article
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1093/mnras/stz2550
Access Rights: Open Access


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