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Upstream energetic ions and electrons - Bow shock-associated or magnetospheric originAn analysis is made of 35 proton bursts observed with the Max-Planck-Institut/University of Maryland sensor system on ISEE 3 far upstream of the earth's bow shock. These upstream bursts are found to fall into two distinctive groups. The first is accompanied by energetic electrons (more than about 75 keV), and the proton spectrum extends up to energies greater than about 300 keV and higher and bends over toward lower energies (less than about 30 keV). The second group, which is unaccompanied by energetic electron bursts, exhibits spectra which can be represented extremely well by exponentials in energy with a mean e-folding energy of approximately 15 keV. The first group is thought to be of a magnetospheric origin, and the second to be bow-shock associated.
Document ID
19820028660
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Scholer, M.
(Max-Planck-Inst. fuer Physik und Astrophysik Garching, Germany)
Hovestadt, D.
(Max-Planck-Institut fuer Physik und Astrophysik Garching, Germany)
Ipavich, F. M.
(Max-Planck-Inst. fuer Physik und Astrophysik Garching, Germany)
Gloeckler, G.
(Maryland, University College Park, MD, United States)
Date Acquired
August 10, 2013
Publication Date
October 1, 1981
Publication Information
Publication: Journal of Geophysical Research
Volume: 86
Subject Category
Geophysics
Accession Number
82A12195
Funding Number(s)
CONTRACT_GRANT: BMFT-RV14-B8/74
CONTRACT_GRANT: NAS5-20062
Distribution Limits
Public
Copyright
Other

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