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On the wavelengths of (n + 1/2)f(ce) gyroharmonic emissions in the earth's magnetosphereUsing data from the University of Minnesota Plasma Wave Experiment aboard the IMP 6 (Explorer 43) satellite, the wavelengths of certain electrostatic waves in earth's magnetosphere are measured. The antenna response to electrostatic waves having several k vector distributions in space is calculated using the fact that the X and Y dipole antennas on IMP 6 are of unequal length. These results are used to determine the wavelengths of (n+1/2)f(ce) gyroharmonic emissions observed just beyond the plasmapause. These wavelengths are then used in conjunction with theoretical models to determine the energy of the electrons driving the waves, and a range of energies between several tens to several hundreds of electron volts is found. This technique is also applied to Langmuir waves observed upstream of earth's bow shock, and the results are found to be in good agreement with theory.
Document ID
19890024141
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Filbert, Paul C.
(Minnesota Univ. Minneapolis, MN, United States)
Kellogg, Paul J.
(Minnesota, University Minneapolis, United States)
Date Acquired
August 13, 2013
Publication Date
October 1, 1988
Publication Information
Publication: Journal of Geophysical Research
Volume: 93
ISSN: 0148-0227
Subject Category
Geophysics
Accession Number
89A11512
Funding Number(s)
CONTRACT_GRANT: NAS5-1211310
CONTRACT_GRANT: NAS5-23273
Distribution Limits
Public
Copyright
Other

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