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Molecular Opacities: Application to the Giant Planets

Published online by Cambridge University Press:  12 April 2016

T. Guillot ,
D. Gautier  and
G. Chabrier
T. Guillot
Affiliation:
Observatotre de la Côte d’Azur, BP229, 06304 Nice Cedex 4.France
D. Gautier
Affiliation:
Observatotre de Paris, 5 pl J.Janssen, 92195 Meudon Cedex.France
G. Chabrier
Affiliation:
Laboratoire de Physique, E.N.S. Lyon, 69364 Lyon Cedex 07.France

Abstract

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Present available interior models of giant planets assume that the internal transport of energy is entirely convective and, accordingly, rule out any possibility of radiative transport. New opacity calculations at temperatures and densities occurring within the giant planets, taking into account H2-H2 and H2-He collision-induced absorption as well as infrared and visible absorption due to hydrogen, water, methane and ammonia are presented. These opacities are not high enough to exclude the presence of a. radiative zone in the molecular H2 envelope of Jupiter, Saturn and Uranus.

Type
Posters
Information
International Astronomical Union Colloquium , Volume 147: The Equation of State in Astrophysics , 1994 , pp. 576 - 580
Copyright
Copyright © Cambridge University Press 1994

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