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ARCS 3 ionospheric artificial argon ion beam injections - Waves near the heavy ion gyrofrequenciesLow-frequency electric field data below the proton gyrofrequency are presented for the duration of the argon ion beam experiment conducted as part of the Argon Release for Controlled Studies (ARCS) program. An argon ion beam was injected from the subpayload antiparallel or perpendicular to the magnetic field at altitudes from 250 to 405 km. During the injections, the wave spectra were broadband near the subpayload and narrow-band near heavy ion gyrofrequencies at perpendicular separation distances between 42 and 254 m. It is suggested that the narrow-band waves are associated with both the perpendicular argon ion beam and an unexpected flux of low-energy ions which peaked in energy near 15 eV and pitch angle near 90 deg with respect to the magnetic field.
Document ID
19890047406
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Erlandson, R. E.
(Johns Hopkins University Laurel, MD, United States)
Cahill, L. J., Jr.
(Minnesota, University Minneapolis, United States)
Kaufmann, R. L.
(Johns Hopkins Univ. Laurel, MD, United States)
Arnoldy, R. L.
(New Hampshire, University Durham, United States)
Pollock, C. J.
(NASA Marshall Space Flight Center Huntsville, AL, United States)
Date Acquired
August 14, 2013
Publication Date
March 1, 1989
Publication Information
Publication: Journal of Geophysical Research
Volume: 94
ISSN: 0148-0227
Subject Category
Geophysics
Accession Number
89A34777
Funding Number(s)
CONTRACT_GRANT: NAG6-11
CONTRACT_GRANT: NAG6-12
Distribution Limits
Public
Copyright
Other

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