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Age dependence of metallicity gradients in the Galactic disc from astrometry and asteroseismology

Published online by Cambridge University Press:  07 March 2018

Luca Casagrande
Affiliation:
Research School of Astronomy & Astrophysics, Mount Stromlo Observatory, The Australian National University, ACT 2611, Australia email: luca.casagrande@anu.edu.au
Corresponding
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Abstract

Asteroseismology allows us to determine stellar parameters (distances, masses and ages) independently from Gaia astrometry, and it provides us with a new and complementary tool for studying stellar populations in the Galaxy. The prospects and synergies that asteroseismic and astrometric space-borne missions reserve to the field of Galactic archaeology are marvellous, and results have already started to emerge. For example, the study of metallicity gradients as function of age will provide powerful constraints to understand the evolution of the Milky Way disc at high-redshift.

Type
Contributed Papers
Copyright
Copyright © International Astronomical Union 2018 

References

Casagrande, L., Schönrich, R., Asplund, M., et al. 2011, A&A, 530, A138 Google Scholar
Casagrande, L., Silva Aguirre, V., Stello, D., et al. 2014, ApJ, 787, 110 CrossRefGoogle Scholar
Casagrande, L., Silva Aguirre, V., Schlesinger, K. J., et al. 2016, MNRAS, 455, 987 CrossRefGoogle Scholar
Casagrande, L., 2016, Astronomische Nachrichten, 337, 889 CrossRefGoogle Scholar
Hekker, S. & Christensen-Dalsgaard, J. 2016, arXiv:1609.07487Google Scholar
Kawata, D., Allende Prieto, C., Brook, C. B., et al. 2017, MNRAS, submitted.Google Scholar
Soderblom, D. R., 2010, ARA&A, 48, 581 CrossRefGoogle Scholar

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Age dependence of metallicity gradients in the Galactic disc from astrometry and asteroseismology
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