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Observations of the 3-D distribution of interplanetary electrons and ions from solar wind plasma to low energy cosmic raysThe 3-D Plasma and Energetic Particle instrument on the GGS Wind spacecraft (launched November 1, 1994) is designed to make measurements of the full three-dimensional distribution of suprathermal electrons and ions from solar wind plasma to low energy cosmic rays, with high sensitivity, wide dynamic range, good energy and angular resolution, and high time resolution. Three pairs of double-ended telescopes, each with two or three closely sandwiched passivated ion implanted silicon detectors measure electrons and ions from approximately 20 keV to greater than or equal to 300 keV. Four top-hat symmetrical spherical section electrostatic analyzers with microchannel plate detectors, a large and a small geometric factor analyzer for electrons and a similar pair for ions, cover from approximately 3 eV to 30 keV. We present preliminary observations of the electron and ion distributions in the absence of obvious solar impulsive events and upstream particles. The quiet time electron energy spectrum shows a smooth approximately power law fall-off extending from the halo population at a few hundred eV to well above approximately 100 keV The quiet time ion energy spectrum also shows significant fluxes over this energy range. Detailed 3-D distributions and their temporal variations will be presented.
Document ID
19960021283
Acquisition Source
Jet Propulsion Laboratory
Document Type
Conference Paper
Authors
Lin, R. P.
(California Univ. Berkeley, CA United States)
Anderson, K. A.
(California Univ. Berkeley, CA United States)
Ashford, S.
(California Univ. Berkeley, CA United States)
Carlson, C.
(California Univ. Berkeley, CA United States)
Curtis, D.
(California Univ. Berkeley, CA United States)
Ergun, R.
(California Univ. Berkeley, CA United States)
Larson, D.
(California Univ. Berkeley, CA United States)
McFadden, J.
(California Univ. Berkeley, CA United States)
McCarthy, M.
(Washington Univ. Seattle, WA United States)
Parks, G. K.
(Washington Univ. Seattle, WA United States)
Date Acquired
August 17, 2013
Publication Date
June 30, 1995
Subject Category
Solar Physics
Accession Number
96N24679
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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