A dawn-to-dusk electric field in the Jovian magnetosphere

C. K. Goertz, W. H. Ip

研究成果: 雜誌貢獻期刊論文同行評審

15 引文 斯高帕斯(Scopus)

摘要

We show that if Io-injected plasma is lost via a planetary wind a sun-fixed Birkeland current system may result. This is due to the fact that a current flows across a density gradient produced by the loss of plasma through the planetary wind in the tail. The divergent current is connected to field-aligned Birkeland currents which flow into the ionosphere at dawn and out of it at dusk. The closure currents in the ionosphere require a dawn-to-dusk electric field which at the orbit of Io is estimated to have a strength of a few mV m-1. Independent estimates derived from the local time asymmetry of the torus u.v. emission indicate a field of 1.5mVm-1.

原文???core.languages.en_GB???
頁(從 - 到)179-185
頁數7
期刊Planetary and Space Science
32
發行號2
DOIs
出版狀態已出版 - 2月 1984

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