A Multi-species MHD Model of Io's interaction with the Io Plasma Torus

Details A Multi-species MHD Model of Io's interaction with the Io Plasma Torus A Multi-species MHD Model of Io's interaction with the Io Plasma Torus

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006agufm.p41a1263j&link_type=abstract

American Geophysical Union, Fall Meeting 2006, abstract #P41A-1263

Physics

Plasma Physics

2700 Magnetospheric Physics (6939), 6219 Io, 7800 Space Plasma Physics

Scientific paper

The extended neutral atmosphere of Io is immersed in and interacts with the plasma torus around Jupiter created from Io volcanoes. The interaction area is known to be structured. The Galileo spacecraft has made several flybys around IO, passing through all kinds of plasma structures. With our two species, full 3-D multi- scale MHD model, the plasma environment around Io is studied. In our approach, the ions are separated into newly picked up ions and torus ions. Physical processes such as ion mass loading, ion-neutral drag, and planetary magnetic field are included self-consistently in the model. The magnetic field, pressure, temperature, and ion/electron density from our model result are presented to reproduce several Galileo flybys measurements. Combinations of ion mass-loading rate, inner boundary condition, charge state conditions are discussed with respect to the observation data.

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