NASA Logo

NTRS

NTRS - NASA Technical Reports Server

Back to Results
Plasma turbulence in the downstream ionosheath of VenusObservations made by the Pioneer Venus Orbiter plasma analyzer and the plasma wave instrument in the Venus ionosheath are compared. Large increases in plasma wave turbulence levels appear to be connected with changing plasma distributions and interpenetrating plasma beams. Some of these plasma waves are identified as Doppler - shifted ion acoustic waves due to beam/beam interactions, but it is noted that different forms of instabilities are probably also operative. The changes in the temperature, intensity and energy of the peak in the PVO plasma distributions are similar to those observed by Venera 10 closer to the planet and appear to be evidence for rarefaction and compression in the downstream ionosheath. Some of the changes in the PVO plasma distributions may be related to the presence of a second ion population or the acceleration of protons.
Document ID
19830038973
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Intriligator, D. S.
(Carmel Research Center Santa Monica; Southern California, University, Los Angeles, CA, United States)
Scarf, F. L.
(TRW Defense and Space Systems Group, Space Science Dept., Redondo Beach CA, United States)
Date Acquired
August 11, 2013
Publication Date
October 1, 1982
Publication Information
Publication: Geophysical Research Letters
Volume: 9
Subject Category
Lunar And Planetary Exploration
Accession Number
83A20191
Funding Number(s)
CONTRACT_GRANT: NAS2-9842
CONTRACT_GRANT: NAS2-10926
Distribution Limits
Public
Copyright
Other

Available Downloads

There are no available downloads for this record.
No Preview Available