Plasma and electric field measurements of the PVO in the Venus ionosheath
- 1 January 1984
- journal article
- Published by American Geophysical Union (AGU) in Geophysical Research Letters
- Vol. 11 (1) , 31-34
- https://doi.org/10.1029/gl011i001p00031
Abstract
A study of the plasma and electric field measurements of the PVO in the Venus ionosheath near the terminator region is presented. A drastic decrease of the particle flux intensity measured with the plasma instrument is encountered in the inner ionosheath before the inbound crossing of the ionopause. The outer boundary of the region of weak plasma fluxes is consistent with the presence of a rarefaction wave as reported previously from the Mariner 5, Venera and PVO plasma measurements in the Venus wake. Near that boundary there are, in addition, appreciable changes in the electric field signals detected with the PVO electric field detector. These observations suggest the existence of local plasma wave activity associated with turbulent flow conditions in that region.Keywords
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