InstrumentsHIAPrincipal Investigator: Henri Rème, France Analyses the distribution functions of ions in the nearby (magnetosphere) space plasma and in the solar wind, during each four second spin of the spacecraft. (Space plasma is a gas composed of electrically charged particles, mainly electrons and protons plus some other ions.) HIA (Hot Ion Analyzer) is one of the two spare sensors from the Cluster mission.
Last Update: 13 Feb 2009
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