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Identification of an [α/Fe]—enhanced thick disk component in an edge-on Milky Way analog

Scott, Nicholas; van de Sande, Jesse; Sharma, Sanjib; Bland-Hawthorn, Joss; Freeman, Kenneth; Gerhard, Ortwin; Hayden, Michael; McDermid, Richard


The Milky Way disk consists of two prominent components—a thick, alpha-rich, low-metallicity component and a thin, metal-rich, low-alpha component. External galaxies have been shown to contain thin- and thick-disk components, but whether distinct components in the [α/Fe]–[Z/H] plane exist in other Milky Way-like galaxies is not yet known. We present Very Large Telescope (VLT)—Multi Unit Spectroscopic Explorer (MUSE) observations of UGC 10738, a nearby, edge-on Milky Way-like galaxy. We...[Show more]

CollectionsANU Research Publications
Date published: 2021
Type: Journal article
Source: Astrophysical Journal Letters
DOI: 10.3847/2041-8213/abfc57
Access Rights: Open Access


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