Observations of electron density in the solar corona during sunspot minimum and global electric currents around the sun |
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| Authors: | V Osherovich EB Gliner I Tzur |
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| Institution: | 1. Cooperative Institute for Research in Environmental Science, Colorado University, NOAA/ERL/SEL, R/E/SE, 325 Broadway, Boulder, CO 80303, USA;7. McDonnell Center for Space Sciences, Washington University, St. Louis, MO 63130, USA;71. National Center for Atmospheric Research, P.O. Box 3000, Boulder, CO 80307, USA |
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| Abstract: | The observed difference in electron density between the equatorial plane and the polar direction is compared for three empirical distributions: the Allen distribution, the Saito distribution, and the Saito-Munro-Jackson distribution. It is shown that from 1.5Ro to 5Ro the observed difference in electron density is sufficient to result in a global azimuthal electric current flow around the sun. The dependence of the calculated current density on the radial distance and solar latitude is discussed. |
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