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The in-orbit performance of the Exosat gas scintillation proportional counter
Manzo, G.; Taylor, B. G.; Peacock, A. +2 more
The European X-ray observatory satellite Exosat, launched in May 1983, carries a scientific payload of four instruments designed to study the properties of cosmic X-ray sources. The present investigation is concerned with one of these instruments, taking into account the gas scintillation proportional counter (GSPC) spectrometer. Attention is give…
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…