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The Skylab barium plasma injection experiments. I - Convection observationsTwo barium-plasma injection experiments were carried out during magnetically active periods in conjunction with the Skylab 3 mission. The high-explosive shaped charges were launched near dawn on November 27 and December 4, 1973, UT. In both cases, the AE index was near 400 gammas, and extensive pulsating auroras covered the sky. The first experiment, Skylab Alpha, occurred in the waning phase of a 1000-gamma substorm, and the second, Skylab Beta, occurred in the expansive phase of an 800-gamma substorm. In both, the convection was generally magnetically eastward, with 100-km-level electric fields near 40 mV/m. However, in the Alpha experiment the observed orientation of the barium flux tube fit theoretical field lines having no parallel current, but the Beta flux-tube orientation indicated a substantial upward parallel sheet current.
Document ID
19760061660
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Wescott, E. M.
(Alaska Univ. Fairbanks, AK, United States)
Stenbaek-Nielsen, H. C.
(Alaska Univ. Fairbanks, AK, United States)
Davis, T. N.
(Alaska, University Fairbanks, Alaska, United States)
Peek, H. M.
(California, University Los Alamos, N. Mex., United States)
Date Acquired
August 8, 2013
Publication Date
September 1, 1976
Publication Information
Publication: Journal of Geophysical Research
Volume: 81
Subject Category
Geophysics
Accession Number
76A44626
Funding Number(s)
CONTRACT_GRANT: NSF GA-28079
CONTRACT_GRANT: NGR-02-001-080
CONTRACT_GRANT: NGR-02-001-088
Distribution Limits
Public
Copyright
Other

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