Energetic trapped electron measurements from the Galileo Jupiter probe

Energetic trapped electrons were measured with the Energetic Particle Instrument (EPI) on the Galileo Jupiter Probe. Samples were taken from inside Io's orbit to just above Jupiter's atmosphere. Under the assumption of simple power law spectra the energetic electron fluxes and spectra agre...

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Veröffentlicht in:Geophysical research letters 2000-08, Vol.27 (16), p.2445-2448
Hauptverfasser: Mihalov, J. D., Fischer, H. M., Pehlke, E., Lanzerotti, L. J.
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creator Mihalov, J. D.
Fischer, H. M.
Pehlke, E.
Lanzerotti, L. J.
description Energetic trapped electrons were measured with the Energetic Particle Instrument (EPI) on the Galileo Jupiter Probe. Samples were taken from inside Io's orbit to just above Jupiter's atmosphere. Under the assumption of simple power law spectra the energetic electron fluxes and spectra agree well with earlier results from the Pioneer spacecraft, at those locations where comparisons can be made. New features from this Galileo data include measurements of the inner boundary of the trappped particles, inside 1.6 RJ, direct observations of the electron pitch angle distributions, and energy spectral softening, both as the atmosphere is approached, and at smaller pitch angles at each measurement location.
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source Wiley Free Content; Wiley-Blackwell AGU Digital Library; EZB-FREE-00999 freely available EZB journals; Wiley Online Library All Journals
subjects Astronomy
Earth, ocean, space
Exact sciences and technology
Ionospheres
magnetospheres
Jupiter
Planetary, asteroid, and satellite characteristics and properties
Planets, their satellites and rings. Asteroids
Solar system
title Energetic trapped electron measurements from the Galileo Jupiter probe
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