Abstract
Using the well-known equation for the normal component of the current which exist near the tangential discontinuity in the plasma in the case of the frozen-in magnetic field, and supposing that the current closes in the ionosphere in the auroral oval in the region 1, one calculates and compares with the data of observations the dependence of the density of the field-aligned current at the level of the ionosphere on the local time.
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References
Iijima, T. and Potemra, T. A.: 1976,J. Geophys. Res. 81, 2165.
Samokhin, M. V.: 1993,Astrophys. Space Sci. (in press).
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Samokhin, M.V. Calculation of the global system of the field-aligned currents on the dayside of the magnetosphere. Earth Moon Planet 61, 29–37 (1993). https://doi.org/10.1007/BF00619137
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DOI: https://doi.org/10.1007/BF00619137