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Thin current sheets in the deep geomagnetic tailThe International Sun-Earth Explorer 3 (ISEE-3) magnetic field and plasma electron data from Jan - March 1983 have been searched to study thin current sheets in the deep tail region. 33 events were selected where the spacecraft crossed through the current sheet from lobe to lobe within 15 minutes. The average thickness of the observed current sheets was 2.45 R(sub E), and in 24 cases the current sheet was thinner than 3.0 R(sub E); 6 very thin current sheets (thickness lambda less than 0.5 R(sub E) were found. The electron data show that the very thin current sheets are associated with considerable temperature anisotropy. On average, the electron gradient current was about 17% of the total current, whereas the current arising from the electron temperature anisotropy varied between 8-45% of the total current determined from the lobe field magnitude.
Document ID
19950044296
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Pulkkinen, T. I.
(Finnish Meteorological Inst. Helsinki, Finland)
Baker, D. N.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Owen, C. J.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Gosling, J. T.
(Los Alamos National Lab. Los Alamos, NM, United States)
Murphy, N.
(Jet Propulsion Lab. Cal. Inst. of Technology, Pasadena, CA, United States)
Date Acquired
August 16, 2013
Publication Date
November 19, 1993
Publication Information
Publication: Geophysical Research Letters
Volume: 20
Issue: 22
ISSN: 0094-8276
Subject Category
Geophysics
Accession Number
95A75895
Distribution Limits
Public
Copyright
Other

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