Physics
Scientific paper
Sep 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986georl..13..917a&link_type=abstract
Geophysical Research Letters (ISSN 0094-8276), vol. 13, Sept. 1986, p. 917-920.
Physics
24
Bow Waves, Comets, Interplanetary Magnetic Fields, Planetary Magnetospheres, Shock Waves, Solar Planetary Interactions, Venus (Planet), Magnetosheath, Position (Location), Solar Cycles, Solar Wind
Scientific paper
The location of the Venus bow shock is found to be sensitive to both the angle of the IMF to the solar wind flow and the phase of the solar cycle. The former dependence is attributed to the effect of planetary ion pickup by the magnetosheath convection electric field analogous to cometary ion pickup by the solar wind electric field. The latter dependence is attributed to the solar-cycle variation in the density of exospheric neutrals in the magnetosheath analogous to the cometary response to distance from the sun. Both a north-south and a pole-equator asymmetry in the location of the bow shock are also found, controlled by the direction of the IMF in the plane perpendicular to the solar wind flow.
Alexander Claudia J.
Luhmann Janet G.
Russell Christopher T.
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