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Chemical abundances of field halo stars - Implications for the building blocks of the Milky Way

Published online by Cambridge University Press:  11 March 2020

Miho N. Ishigaki Open the ORCID record for Miho N. Ishigaki [Opens in a new window]
Miho N. Ishigaki*
Affiliation:
Tohoku University, Astronomical Institute, 6-3 email: miho@astr.tohoku.ac.jp
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Abstract

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I would like to review recent efforts of detailed chemical abundance measurements for field Milky Way halo stars. Thanks to the advent of wide-field spectroscopic surveys up to a several kpc from the Sun, large samples of field halo stars with detailed chemical measurements are continuously expanding. Combination of the chemical information and full six dimensional phase-space information is now recognized as a powerful tool to identify cosmological accretion events that have built a sizable fraction of the present-day stellar halo. Future observational prospects with wide-field spectroscopic surveys and theoretical prospects with supernova nucleosynthetic yields are also discussed.

Keywords

Galaxy: haloGalaxy: abundancesstars: Population II
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 14 , Symposium S351: Star Clusters: From the Milky Way to the Early Universe , May 2019 , pp. 24 - 33
Copyright
© International Astronomical Union 2020

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