Jupiter's Occultation Radii: Implications for its Internal Dynamics

Details Jupiter's Occultation Radii: Implications for its Internal Dynamics Jupiter's Occultation Radii: Implications for its Internal Dynamics

2011-03-17

arxiv.org/abs/1103.3450v1

Astronomy and Astrophysics

Astrophysics

Earth and Planetary Astrophysics

accepted for publication in GRL

Scientific paper

The physical shape of a giant planet can reveal important information about its centrifugal potential, and therefore, its rotation. In this paper I investigate the response of Jupiter's shape to differential rotation on cylinders of various cylindrical radii using a simple equipotential theory. I find that both solid-body rotation (with System III rotation rate) and differential rotation on cylinders up to a latitude between 20 and 30 degrees are consistent with Jupiter's measured shape. Occultation measurements of Jupiter's shape could provide an independent method to constrain the depth of its zonal winds.

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