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Behaviour of Microturbulence with Evolution

Published online by Cambridge University Press:  30 March 2016

Renaud Foy
Renaud Foy*
Affiliation:
Observatoire de Paris, France

Extract

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It is reasonable to suppose that the state of the convective zone underlying the atmosphere of cool stars correlates with the atmospheric kinematics. Following Iben (1967), as a star evolves from the red giant tip to the helium burning core phase, the convection rapidly decreases. Then the microturbulence can be expected to decrease too.

Type
Joint Dicussions
Information
Highlights of Astronomy , Volume 4 , Issue 2: Highlights of Astronomy. As presented at the XVIth General Assembly of the IAU, 1976 (Part II) , 1977 , pp. 115 - 118
Copyright
Copyright © Reidel 1977

References

Eggen, O. J., 1972, Publ. Astron. Soc. Pacific 84, 406 Google Scholar
Iben, I. Jr., 1967, Ann. Rev. Astron. Astrophys. 5, 571 Google Scholar
Worrall, G., Wilson, A. N., 1972, Nature 236, 15 CrossRefGoogle Scholar