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Seismological Constraints on Convective Penetration in the Sun

Published online by Cambridge University Press:  12 April 2016

G. Berthomieu ,
P. Morel ,
J. Provost  and
J.-P. Zahn
G. Berthomieu
Affiliation:
Cassini, URA CNRS 1362, Observatoire de la Côte d’Azur, Nice
P. Morel
Affiliation:
Cassini, URA CNRS 1362, Observatoire de la Côte d’Azur, Nice
J. Provost
Affiliation:
Cassini, URA CNRS 1362, Observatoire de la Côte d’Azur, Nice
J.-P. Zahn
Affiliation:
Observatoire Midi-Pyrénées, Toulouse Columbia University, New York

Abstract

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Penetrative convection is expected below stellar convection sones, where it should achieve a nearly adiabatic stratification. A theoretical prediction of the penetration depth has been recently made by Zahn (1991) which includes an arbitrary parameter ζ depending on the properties of the convective motions. We use the helioseismological constraints to calibrate the value of this parameter.

Type
I. Setting the stage: Sun, Stars Galaxies and the Universe
Information
International Astronomical Union Colloquium , Volume 137: Inside the Stars , 1993 , pp. 60 - 62
Copyright
Copyright © Astronomical Society of the Pacific 1993

References

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