The age–metallicity structure of the Milky Way disc using APOGEE

Abstract The measurement of the structure of stellar populations in the Milky Way disc places fundamental constraints on models of galaxy formation and evolution. Previously, the disc's structure has been studied in terms of populations defined geometrically and/or chemically, but a decompositi...

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Bibliographic Details
Published in:	Monthly notices of the Royal Astronomical Society 2017-11, Vol.471 (3), p.3057-3078
Main Authors:	Ted Mackereth, J, Bovy, Jo, Schiavon, Ricardo P, Zasowski, Gail, Cunha, Katia, Frinchaboy, Peter M, García Perez, Ana E, Hayden, Michael R, Holtzman, Jon, Majewski, Steven R, Mészáros, Szabolcs, Nidever, David L, Pinsonneault, Marc, Shetrone, Matthew D
Format:	Article
Language:	eng
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Summary:	Abstract The measurement of the structure of stellar populations in the Milky Way disc places fundamental constraints on models of galaxy formation and evolution. Previously, the disc's structure has been studied in terms of populations defined geometrically and/or chemically, but a decomposition based on stellar ages provides a more direct connection to the history of the disc, and stronger constraint on theory. Here, we use positions, abundances and ages for 31 244 red giant branch stars from the Sloan Digital Sky Survey (SDSS)-APOGEE survey, spanning 3
ISSN:	0035-8711 1365-2966