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The [α/Fe]-[Fe/H] relation in the E-MOSAICS simulations: its connection to the birth place of globular clusters and the fraction of globular cluster field stars in the bulge

The α-element abundances of the globular cluster (GC) and field star populations of galaxies encode information about the formation of each of these components. We use the E-MOSAICS cosmological simulations of ∼L* galaxies and their GCs to investigate the [α/Fe]–[Fe/H] distribution of field stars an...

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Main Authors: Hughes, Meghan E. (Author) , Pfeffer, Joel L. (Author) , Martig, Marie (Author) , Reina-Campos, Marta (Author) , Bastian, Nate (Author) , Crain, Robert A. (Author) , Kruijssen, Diederik (Author)
Format: Article (Journal)
Language:English
Published: 2020
In: Monthly notices of the Royal Astronomical Society
Year: 2019, Volume: 491, Issue: 3, Pages: 4012-4022
ISSN:1365-2966
DOI:10.1093/mnras/stz3341
Online Access:Resolving-System, lizenzpflichtig, Volltext: https://doi.org/10.1093/mnras/stz3341
Verlag, lizenzpflichtig, Volltext: https://academic.oup.com/mnras/article/491/3/4012/5647359
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Author Notes:Meghan E. Hughes, Joel L. Pfeffer, Marie Martig, Marta Reina-Campos, Nate Bastian, Robert A. Crain and J.M. Diederik Kruijssen
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Summary:The α-element abundances of the globular cluster (GC) and field star populations of galaxies encode information about the formation of each of these components. We use the E-MOSAICS cosmological simulations of ∼L* galaxies and their GCs to investigate the [α/Fe]–[Fe/H] distribution of field stars and GCs in 25 Milky Way–mass galaxies. The [α/Fe]–[Fe/H] distribution of GCs largely follows that of the field stars and can also therefore be used as tracers of the [α/Fe]–[Fe/H] evolution of the galaxy.
Item Description:Advance access publication 2019 November 29
Gesehen am 08.04.2020
Physical Description:Online Resource
ISSN:1365-2966
DOI:10.1093/mnras/stz3341

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