NASA NTRS · 19780065144
ISEE-C solar wind plasma experiment
Abstract
Two 135 deg spherical section electrostatic analyzers furnish electron and ion measurements of the solar wind on ISEE-C. Each of these instruments utilizes a divided secondary emitter system to intercept the analyzed particles. Secondary electrons selected from all of the emitters simultaneously provide fast two-dimensional measurements of the particle fluxes integrated over polar angle; at a slower rate secondary electrons are successively selected from individual emitters to provide three-dimensional measurements. Speed of the ion measurements is increased by a factor of two by using an active proton peak tracking system to reduce the total range of energy per charge which has to be covered.
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Bame, S. J., Asbridge, J. R., Felthauser, H. E., Glore, J. P., Hawk, H. L., Chavez, J.. 1978-07-01. ISEE-C solar wind plasma experiment. https://ntrs.nasa.gov/citations/19780065144
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