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Effect of satellite potential on direct ion density measurements through the plasmapauseA simplified theory has been developed for calculating the effect of satellite potential on the ion current measured by an experiment such as an ion mass spectrometer or an ion trap. The theory is based on the use of a spherically symmetric Debye potential distribution in the sheath around the satellite and is particularly appropriate for use in regions where the Debye length is large, such as in the plasmasphere and magnetosphere. Ion data obtained from the ion trap on the Ogo 3 satellite during a pass through the plasmasphere show excellent agreement with the theory. The inferred ion densities from this analysis are as much as 1 order of magnitude different from what would be inferred from previous analyses.
Document ID
19740035622
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Whipple, E. C.
Warnock, J. M.
Winkler, R. H.
(NOAA, Aeronomy Laboratory, Boulder Colo., United States)
Date Acquired
August 7, 2013
Publication Date
January 1, 1974
Publication Information
Publication: Journal of Geophysical Research
Volume: 79
Subject Category
Geophysics
Report/Patent Number
NSSDC-ID-66-049A-14-PM
Accession Number
74A18372
Funding Number(s)
CONTRACT_GRANT: NOAA-E-22-1-72(G)
Distribution Limits
Public
Copyright
Other

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