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Ion release experiments in the solar wind

D A Bryant1985年Plasma Physics and Controlled FusionIF 2.2出版社

In a new departure in experimental Space Plasma Physics, lithium and barium plasmas were injected into the solar wind approximately 110000 kms above the Earth's surface. The effects, monitored in-situ by two spacecraft of the AMPTE (Active Magnetospheric Particle Tracer Explorers) mission, included the formation of diamagnetic cavities, a slowing down locally of the solar wind, generation of plasma waves and heating of solar-wind electrons. These comet-like interactions between the solar wind and obstacles presented by the injected plasmas are discussed and compared with the effect of the natural obstacle of the Earth's magnetosphere first encountered by the solar wind at the bow shock. Particular reference is made to the 'artificial comet' created by a barium-ion release on 27 December 1984.

日本語訳

実験的宇宙プラズマ物理学における新たな試みとして、リチウムおよびバリウムプラズマが、地球表面から約110,000 km上方の太陽風中に注入された。その影響は、AMPTE(Active Magnetospheric Tracer Explorers)計画の2機の宇宙機によって現場観測され、反磁性空洞の形成、太陽風の局所的減速、プラズマ波動の生成、および太陽風電子の加熱が含まれることが明らかにされた。注入されたプラズマによって提示される障害物と太陽風との間のこれらの彗星類似の相互作用は、太陽風が最初に遭遇する地球磁気圏という自然の障害物との効果と比較して考察される。特に、1984年12月27日に行われたバリウムイオン放出によって生成された「人工彗星」に焦点が当てられる。

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