Physics
Scientific paper
Jul 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979jgr....84.3306s&link_type=abstract
Journal of Geophysical Research, vol. 84, July 1, 1979, p. 3306-3312.
Physics
9
Compressing, Earth Magnetosphere, Mathematical Models, Mercury (Planet), Solar Wind, Dipole Moments, Gas Dynamics, Magnetic Dipoles, Magnetopause, Planetary Cores, Planetary Magnetic Fields, Review, Mercury, Magnetosphere, Solar Wind, Models, Surface, Crust, Mariner 10, Dynamics, Conductivity, Pressure, Core, Magnetic Fields, Magnetopause, Magnetotail, Parameters, Histograms, Magnetic Merging, Standoff Distance
Scientific paper
The decrease of the volume of the dayside Hermaean magnetosphere with an increase in solar wind pressure is investigated, taking into account the effects of a conducting planetary core. A two-layer conductivity model is used to simulate the metallic core and outer silicate mantle of Mercury, and the magnetic field of the magnetosphere is modelled by a pure planet-centered axial dipole, the magnetopause current system by a pure axial dipole on the Mercury-sun line and the tail field by a semiinfinite current sheet. Results confirm the compression of the magnetic field and the increase in magnetic field pressures under most increased solar wind pressures in the presence of a planetary core, allowing a direct impact of the solar wind on the Hermaean surface to occur only 0.2% of the time.
Goldstein Bruce E.
Suess Steve T.
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