Physics
Scientific paper
Jan 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983jgr....88...49k&link_type=abstract
Journal of Geophysical Research, vol. 88, Jan. 1, 1983, p. 49-57.
Physics
25
Ionospheric Disturbances, Magnetohydrodynamic Flow, Planetary Ionospheres, Plasma Interactions, Titan, Venus Atmosphere, Magnetic Field Configurations, Pioneer Venus 1 Spacecraft, Planetary Magnetic Fields, Solar Wind, Voyager 1 Spacecraft, Wakes, Saturn, Satellites, Titan, Venus, Interactions, Flow, Plasmas, Planets, Ionospheres, Comparisons, Magnetosphere, Voyager 1, Pioneer Venus, Data, Orbiters, Pvo, Wakes, Magnetic Fields, Magnitude, Ionosphere, Diagrams, Magnetotails, Current Sheets, Geometry, Symmetr
Scientific paper
Voyager I data from the moon Titan's wake are employed to model the external flow direction and, in comparison with magnetotail observations of Venus, show that the magnetic field may change in response to the presence of flux tubes. The Titan magnetic field was measured at distances as close as 2.7 Titan radii, showing final, unperturbed fields directly southward, while a northern lobe was observed which pointed away from Titan. The central portion of the pattern was displaced radially toward Saturn relative to the direction of corotation. Pioneer Venus orbiter data have shown that Venus, like Titan, is a nonmagnetic body, and both objects have displayed a two-lobe wake field with oppositely oriented fields separated by a neutral sheet and lowered field magnitudes on flux tubes near the dayside ionospheres. It is suggested that the asymmetries in the wake structure are due to coupling of different regions of the wakes with the dayside or nightside ionosphere.
Galland Kivelson Margaret
Russell Christopher T.
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