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A space-borne plasma analyser for three-dimensional measurements of the velocity distribution

Coates, A. J.; Winningham, J. D.; Johnstone, A. D. +3 more

A new type of plasma analyzer, capable of covering the three-dimensional energy distribution of charged particles from a spinning spacecraft, has been built for the AMPTE and GIOTTO spacecraft. The novel features are the use of 260 deg of deflection in a spherical plate electrostatic analyzer to obtain energy discrimination simultaneously with dis…