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Fast Plasma Expt. (FPE): 5eV-20keV(e) 5ev-40 keV (p); 2-D and 3-D distrib. fns

NSSDCA ID: 1977-102B-01

Mission Name: ISEE 2
Principal Investigator:Dr. Goetz Paschmann


This experiment was designed to study plasma velocity distributions and their spatial and temporal variations in the solar wind, bow shock, magnetosheath, magnetopause, and magnetotail (within the magnetosphere). One-, two-, and three-dimensional velocity distributions for positive ions and electrons were measured using two 90-deg spherical electrostatic analyzers with channeltron electron multipliers as detectors. In conjunction with similar instrumentation (77-102A-01) provided by S. J. Bame/LANL for the mother spacecraft, protons from 50 eV to 40 keV (and electrons from 5 eV to 20 keV) were measured with 10% energy resolution in two ranges each.

Alternate Names

  • FPE
  • High Time Resolution Plasma

Facts in Brief

Mass: 4.3 kg
Power (avg): 5 W


  • Space Physics: Magnetospheric Studies
  • Space Physics: Heliospheric Studies

Additional Information

Questions and comments about this experiment can be directed to: Dr. H. Kent Hills



NameRoleOriginal AffiliationE-mail
Dr. Helmut R. RosenbauerOther InvestigatorMax-Planck-Institut fur
Dr. Samuel J. BameOther InvestigatorLos Alamos National
Dr. Edward W. Hones, Jr.Other InvestigatorLos Alamos National
Prof. Karl SchindlerOther InvestigatorRuhr-Universitat Bochum
Dr. Michael D. MontgomeryOther InvestigatorLos Alamos National Laboratory
Dr. John R. AsbridgeOther InvestigatorLos Alamos National
Dr. H. MiggenriederOther InvestigatorMax-Planck-Institut fur Extraterrestrische Physik
Prof. Heinrich J. VolkOther InvestigatorMax-Planck-Institut fur
Dr. William C. FeldmanOther InvestigatorLos Alamos National
Dr. Goetz PaschmannPrincipal InvestigatorMax-Planck-Institut fur Extraterrestrische

Selected References

  • Bame, S. J., et al., ISEE-1 and ISEE-2 fast plasma experiment and the ISEE-1 solar wind experiment, IEEE Trans. on Geosci. Electron., GE-16, No. 3, 216-220, doi:10.1109/TGE.1978.294550, July 1978.
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