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Galactic Archeology with the AEGIS Survey: The Evolution of Carbon and Iron in the Galactic Halo

Yoon, Jinmi; Beers, Timothy C; Dietz, Sarah; Lee, Young Sun; Placco, V. M.; Da Costa, Gary; Keller, Stefan; Owen, Christopher; Sharma, Mahavir


Understanding the evolution of carbon and iron in the Milky Way's halo is of importance because these two elements play crucial roles in constraining star formation, Galactic assembly, and chemical evolution in the early universe. Here we explore the spatial distributions of the carbonicity, [C/Fe], and metallicity, [Fe/H], of the halo system based on medium-resolution (R ~ 1300) spectroscopy of ~58,000 stars in the southern hemisphere from the AAOmega Evolution of Galactic Structure (AEGIS)...[Show more]

CollectionsANU Research Publications
Date published: 2018
Type: Journal article
Source: The Astrophysical Journal
DOI: 10.3847/1538-4357/aaccea
Access Rights: Open Access


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