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Inference of the angular velocity of plasma in the Jovian magnetosphere from the sweepback of magnetic fieldThe averaged angular velocity of plasma from magnetic observations is evaluated using plasma outflow rate as a parameter. New techniques are developed to calculate the normal and azimuthal components of the magnetic field in and near to the plasma sheet in a plasma sheet coordinate system. The revised field components differ substantially from the quantities used in previous analyses. With the revised field values, it appears that during the Voyager 2 flyby for an outflow rate of 2.5 x 10 exp 29 amu/s, the observed magnetic torque may be sufficient to keep the plasma in corotation to radial distances of 50 Rj in the postmidnight quadrant.
Document ID
19930039175
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Khurana, Krishan K.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Kivelson, Margaret G.
(California Univ. Los Angeles, United States)
Date Acquired
August 16, 2013
Publication Date
January 1, 1993
Publication Information
Publication: Journal of Geophysical Research
Volume: 98
Issue: A1
ISSN: 0148-0227
Subject Category
Lunar And Planetary Exploration
Accession Number
93A23172
Funding Number(s)
CONTRACT_GRANT: JPL-955232
CONTRACT_GRANT: NSF ATM-89-13342
CONTRACT_GRANT: NAGW-2047
Distribution Limits
Public
Copyright
Other

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