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Red Giants as Probes of the Structure and Evolution of the Milky Way pp 147–154Cite as

Red Giant Stars: Probing the Milky Way Chemical Enrichment

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Part of the book series: Astrophysics and Space Science Proceedings ((ASSSP))

Abstract

Many ongoing (SDSS-SEGUE, SDSS-APOGEE, RAVE) and future (HERMES, 4MOST) surveys have the main goal to map the complex kinematical and chemical substructures of the Milky Way, with the final aim to constrain its assembly history. The combination of asteroseismic information from Keplerand CoRoT satellites for giant stars, for which abundance and kinematical information are provided by ground-based spectroscopic surveys opens a new and powerful way to study our Galaxy. Indeed the asteroseismology plus abundance information can be potentially translated into stellar ages for large samples of stars. Here, I give a brief overview of what are the main open questions in the field of Galactic Archaeology—from the study of the First Stars to enrich the Universe, to the Galaxy assembly history—and how could CoRoT and Kepler make a definitive contribution to those questions.

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Notes

  1. 1.

    Around 20% of stars with [Fe/H] ≤ − 2.0 show extremely high C abundance, with [C/Fe] ≥  + 1.0. These stars are named C-Enhanced Metal Poor Stars (CEMP). Part of them also show enhancement in s-process elements (CEMP-s stars), which is attributed to AGB mass-transfer episodes. The remaining 80% stars are called normal metal-poor stars.

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Acknowledgements

I thank the organizers for the invitation to give this review, and for the wonderful hospitality of the Academia Belgica in Rome.

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Authors and Affiliations

  1. Leibniz-Institut für Astrophysik Potsdam (AIP), An der Sternwarte 16, 14482, Potsdam, Germany

    Cristina Chiappini

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  1. Cristina Chiappini
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Correspondence to Cristina Chiappini .

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Editors and Affiliations

  1. , Inst. d'Astrophysique et de Géophysique, Université de Liège, Allée du 6 août 17, Liège, 4000, Belgium

    Andrea Miglio

  2. , Inst. d'Astrophysique et de Géophysique, Université de Liège, Allée du 6 août 17, Liège, 4000, Belgium

    Josefina Montalbán

  3. , Inst. d'Astrophysique et de Géophysique, Université de Liège, Allée du 6 août 17, Liège, 4000, Belgium

    Arlette Noels

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Chiappini, C. (2012). Red Giant Stars: Probing the Milky Way Chemical Enrichment. In: Miglio, A., Montalbán, J., Noels, A. (eds) Red Giants as Probes of the Structure and Evolution of the Milky Way. Astrophysics and Space Science Proceedings. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-18418-5_15

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  • DOI: https://doi.org/10.1007/978-3-642-18418-5_15

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-18417-8

  • Online ISBN: 978-3-642-18418-5

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