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Ann. Geophys., 24, 1479-1481, 2006
www.ann-geophys.net/24/1479/2006/
© European Geosciences Union 2006
Bifurcation of Jovian magnetotail current sheet
P. L. Israelevich and A. I. Ershkovich
Department of Geophysics and Planetary Sciences, The Raymond and Beverly Sackler Faculty of Exact Sciences, Tel Aviv University, Ramat Aviv, Israel
Abstract. Multiple crossings of the magnetotail current sheet by a single spacecraft
give the possibility to distinguish between two types of electric current
density distribution: single-peaked (Harris type current layer) and
double-peaked (bifurcated current sheet). Magnetic field measurements in
the Jovian magnetic tail by Voyager-2 reveal bifurcation of the tail current sheet. The electric
current density possesses a minimum at the point of the Bx-component
reversal and two maxima at the distance where the magnetic field strength
reaches 50% of its value in the tail lobe.
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