Issue |
EPJ Web Conf.
Volume 152, 2017
Wide-Field Variability Surveys: A 21st Century Perspective – 22nd Los Alamos Stellar Pulsation – Conference Series Meeting
|
|
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Article Number | 06007 | |
Number of page(s) | 2 | |
Section | Challenges for theory | |
DOI | https://doi.org/10.1051/epjconf/201715206007 | |
Published online | 08 September 2017 |
https://doi.org/10.1051/epjconf/201715206007
Important consequences of atomic diffusion inside main-sequence stars: opacities, extra-mixing, oscillations
1 LUPM, Université de Montpellier, France
2 Université de Toulouse, UPS-OMP, IRAP, Toulouse, France
3 CNRS, IRAP, 14 avenue Edouard Belin, F-31400 Toulouse, France
Published online: 8 September 2017
Atomic diffusion, including the effects of radiative accelerations on individual elements, leads to important variations of the chemical composition inside stars. The accumulation of important elements in specific layers leads to a local increase of the average opacity and to hydrodynamic instabilities that modify the internal stellar structure. This can also have important consequences for asteroseismology.
© The Authors, published by EDP Sciences, 2017
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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