# Non-radial oscillation modes with long lifetimes in giant stars

@article{Ridder2009NonradialOM,
title={Non-radial oscillation modes with long lifetimes in giant stars},
author={Joris de Ridder and Caroline Barban and Fr'ed'eric Baudin and Fabien Carrier and A. P. Hatzes and Saskia Hekker and Thomas Kallinger and Werner W. Weiss and Annie Baglin and Michel Auvergne and R'eza Samadi and Pierre Barge and Magali Deleuil},
journal={Nature},
year={2009},
volume={459},
pages={398-400}
}
Towards the end of their lives, stars like the Sun greatly expand to become red giant stars. Such evolved stars could provide stringent tests of stellar theory, as many uncertainties of the internal stellar structure accumulate with age. Important examples are convective overshooting and rotational mixing during the central hydrogen-burning phase, which determine the mass of the helium core, but which are not well understood. In principle, analysis of radial and non-radial stellar oscillations… Expand
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