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Steady-state plasma transition in the Venus ionosheathThe results of an extended analysis of the plasma and electric field data of the Pioneer Venus Orbiter (PVO) are presented. The persistent presence of a plasma transition embedded in the flanks of the Venus ionosheath between the bow shock and the ionopause is reported. This transition is identified by the repeated presence of characteristic bursts in the 30 kHz channel of the electric field detector of the PVO. The observed electric field signals coincide with the onset of different plasma conditions in the inner ionosheath where more rarified plasma fluxes are measured. The repeated identification of this intermediate ionosheath transition in the PVO data indicates that it is present as a steady state feature of the Venus plasma environment. The distribution of PVO orbits in which the transition is observed suggests that it is more favorably detected in the vicinity of and downstream from the terminator.
Document ID
19910041656
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Perez-De-tejada, H.
(Universidad Nacional Autonoma de Mexico Ensenada, Mexico)
Intriligator, D. S.
(Carmel Research Center Santa Monica, CA, United States)
Strangeway, R. J.
(California, University Los Angeles, United States)
Date Acquired
August 14, 2013
Publication Date
February 1, 1991
Publication Information
Publication: Geophysical Research Letters
Volume: 18
ISSN: 0094-8276
Subject Category
Lunar And Planetary Exploration
Accession Number
91A26279
Funding Number(s)
CONTRACT_GRANT: NAS2-12912
CONTRACT_GRANT: NAG2-485
Distribution Limits
Public
Copyright
Other

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