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Plasma electron observations in the vicinity of magnetic holesIn the present study, 14 events of interplanetary magnetic field dips are identified. Eleven of these are found to be associated with significant enhancements in the flux of electrons of energies of approximately 100 eV. Five (of the eleven) are characterized by significant changes in the magnetic field direction, and six are not. Thus, even though an electron enhancement is usually seen at a dip, the enhancement need not be always associated with magnetic reconnection, for which a directional change is essential. It appears that some events involve local acceleration, possibly the results of reconnection, while others may involve electrons injected onto the field line at a remote point.
Document ID
19790069037
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
King, J. H.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Ogilvie, K. W.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Behannon, K. W.
(NASA Goddard Space Flight Center Laboratory for Extraterrestrial Physics, Greenbelt, Md., United States)
Date Acquired
August 9, 2013
Publication Date
September 1, 1979
Publication Information
Publication: Journal of Geophysical Research
Volume: 84
Subject Category
Geophysics
Accession Number
79A53050
Distribution Limits
Public
Copyright
Other

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