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Interplanetary field enhancements in the solar wind Statistical properties at 0.72 AUA new class of disturbance in the interplanetary magnetic field has been discovered. This disturbance consists of an enhancement in the magnetic field strength lasting tens of minutes to hours. The strength of the enhancement is variable ranging up to over double the background field strength. The peak field pressure can be as high as 10 percent of the solar wind dynamic pressure. These events occur randomly with respect to the position of the spacecraft relative to Venus but not randomly with respect to Venus solar ecliptic longitude. There is a significant tendency for these events to cluster near certain ecliptic longitudes. The field distortion is often greater in the direction perpendicular to the solar wind flow rather than along it. These characteristics suggest that the source of the disturbances are weakly outgassing objects, possibly dispersed along their orbits such as in meteor streams.
Document ID
19850033291
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Russell, C. T.
(California Univ. Los Angeles, CA, United States)
Arghavani, M. R.
(California Univ. Los Angeles, CA, United States)
Luhmann, J. G.
(California, University Los Angeles, CA, United States)
Date Acquired
August 12, 2013
Publication Date
November 1, 1984
Publication Information
Publication: Icarus
Volume: 60
ISSN: 0019-1035
Subject Category
Astrophysics
Accession Number
85A15442
Funding Number(s)
CONTRACT_GRANT: NAS2-9491
Distribution Limits
Public
Copyright
Other

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