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The dependence of upstream wave periods on the interplanetary magnetic field strengthIt has long been known that the periods of Pc 3, 4 pulsations on the ground correlate with the magnitude of the interplanetary magnetic field. This fact has been used to argue for an exogenic source for these pulsations. Particularly attractive candidates for the source of pulsations in this frequency range are the upstream waves of similar frequencies which are associated with populations of ions reflected from the bow shock. However, the dependence of the period of these waves on the strength of the interplanetary magnetic field has never been checked. This paper performs such a check and confirms that the upstream waves have the proper functional relationship.
Document ID
19810054287
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Russell, C. T.
(California Univ. Los Angeles, CA, United States)
Hoppe, M. M.
(California, University Los Angeles, CA, United States)
Date Acquired
August 11, 2013
Publication Date
June 1, 1981
Publication Information
Publication: Geophysical Research Letters
Volume: 8
Subject Category
Geophysics
Accession Number
81A38691
Funding Number(s)
CONTRACT_GRANT: NAS5-25772
CONTRACT_GRANT: NAS5-20094
Distribution Limits
Public
Copyright
Other

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