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Fundamental stellar properties from asteroseismology

Published online by Cambridge University Press:  06 January 2014

Víctor Silva Aguirre ,
Luca Casagrande  and
Andrea Miglio
Víctor Silva Aguirre
Affiliation:
Stellar Astrophysics Centre, Department of Physics and Astronomy, Aarhus University, Ny Munkegade 120, DK-8000 Aarhus C, Denmark email: victor@phys.au.dk
Luca Casagrande
Affiliation:
Research School of Astronomy and Astrophysics, Mount Stromlo Observatory, The Australian National University, ACT 2611, Australia email: luca@mso.anu.edu.au
Andrea Miglio
Affiliation:
School of Physics and Astronomy, University of Birmingham, Birmingham, B15 2TT, UK email: miglioa@bison.ph.bham.ac.uk
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Abstract

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Accurate characterization of stellar populations is of prime importance to correctly understand the formation and evolution process of our Galaxy. The field of asteroseismology has been particularly successful in such an endeavor providing fundamental parameters for large samples of stars in different evolutionary phases. We present our results on determinations of masses, radii, and distances of stars in the CoRoT and Kepler fields, showing that we can map and date different regions of the galactic disk and distinguish gradients in the distribution of stellar properties at different heights. We further review how asteroseismic determinations can produce a unique set of constraints, including ages, outside the solar neighborhood for galactic chemical evolution models.

Keywords

stars: fundamental parametersstars: oscillationsGalaxy: structure
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 9 , Symposium S298: Setting the scene for Gaia and LAMOST , May 2013 , pp. 375 - 380
Copyright
Copyright © International Astronomical Union 2014 

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