Physics
Scientific paper
Dec 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007agufm.p21b0550d&link_type=abstract
American Geophysical Union, Fall Meeting 2007, abstract #P21B-0550
Physics
6218 Jovian Satellites, 6219 Io
Scientific paper
Io's local interaction with the plasma torus has been extensively studied with a variety of complementary approaches: MHD (Linker et al., 1998; Combi et al.,1998), 2-fluid modeling (Saur et al., 1999) and multi-species chemistry (Dols et al., submitted to JGR). We present a self-consistent, multi-species chemistry model of this interaction. We compute the ionization and charge-exchange rates in Io's corona (~6 RIo) with a physical chemistry model that includes S, O, SO and SO2 and use these results as input into a hybrid code to compute a self-consistent plasma flow around Io. We iterate several times between the chemistry and the hybrid models to reach a stationary solution. We will present preliminary results showing the development of an asymmetry in the flow and its effect on the plasma production, ion mass production rates and pick-up current. The results will be compared to the Galileo observation on its flyby in Io's wake.
Bagenal Fran
Delamere Peter
Dols Vincent
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