Statistics – Methodology
Scientific paper
Dec 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981stin...8218105c&link_type=abstract
Unknown
Statistics
Methodology
Jupiter Atmosphere, Parameter Identification, Planetary Magnetic Fields, Planetary Magnetospheres, Atmospheric Models, Equators, Harmonic Functions, Mathematical Models, Pioneer 11 Space Probe, Voyager 1 Spacecraft
Scientific paper
An estimate of Jupiter's planetary magnetic field is obtained from the Voyager 1 observations of the Jovian magnetosphere. An explicit model for the magnetodisc current system is combined with a spherical harmonic model of the planetary field with both sets of parameters determined simultaneously using a nonlinear generalized inverse methodology. The resulting model fits the observations extremely well throughout the analysis interval (r 20 Jovian radii). The Jovian internal field model obtained from the Voyager 1 data is very similar to the octopole Pioneer 11 models. The best fitting magnetodisc lies in the centrifugal equator, 2/3 of the way between the rotational and magnetic equators, as appropriate for centrifugal loading of the magnetosphere by a cold plasma.
Acuña Mario Humberto
Connerney Jack E. P.
Ness Norman F.
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