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The deep planetary magnetotail revisitedThe magnetotail model of Grzedzielski and Macek (1988) is extended to great distances in the antisolar direction. For typical solar wind parameters at 1 AU and the most probable set of parameters of the model as determined for the ISEE-3 region of 200 earth radii, R(E), the open geotail extends to at least 3000 - 4000 R(E) downstream from earth, where it forms a cavity filled with a dense hot plasma and low magnetic field strengths. The cross section of this cavity in the plane perpendicular to the earth-sun line has dimensions of 300 - 400 R(E) parallel to the ecliptic plane, but only 5 R(E) in the direction normal to the ecliptic. It seems likely that the magnetotail would become filamentary at such distances.
Document ID
19900027057
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Macek, Wieslaw M.
(Iowa, University Iowa City, United States)
Date Acquired
August 14, 2013
Publication Date
November 1, 1989
Publication Information
Publication: Geophysical Research Letters
Volume: 16
ISSN: 0094-8276
Subject Category
Lunar And Planetary Exploration
Accession Number
90A14112
Funding Number(s)
CONTRACT_GRANT: JPL-957723
Distribution Limits
Public
Copyright
Other

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