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The symmetry properties of planetary magnetic fieldsThis paper provides a comparative study of the geometrical structures of the magnetic fields of earth, Jupiter, Saturn, and Uranus, starting from the traditional multipolar representations of these fields. For earth, Jupiter, and Saturn, the centered dipole, quadrupole, and octupole contributions are included, while at Uranus only the dipole and quadrupole contributions are considered. It is found that there are a number of common features of the magnetic fields of earth and Jupiter. Compared to earth and Jupiter, the Saturnian field exhibits not only a high degree of symmetry about the rotation axis but also a high degree of antisymmetry about the equatorial plane. The Uranian field shows strong deviations from both such symmetries. Nevertheless, there remain features common to all four planets.
Document ID
19900039389
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Raedler, Karl-Heinz
(AdW der DDR Zentralinstitut fuer Astrophysik, Potsdam, German Democratic Republic)
Ness, Norman F.
(Bartol Research Institute Newark, DE, United States)
Date Acquired
August 14, 2013
Publication Date
March 1, 1990
Publication Information
Publication: Journal of Geophysical Research
Volume: 95
ISSN: 0148-0227
Subject Category
Lunar And Planetary Exploration
Accession Number
90A26444
Funding Number(s)
CONTRACT_GRANT: JPL-957921
Distribution Limits
Public
Copyright
Other

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