Other
Scientific paper
Dec 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008agufm.p12a..10s&link_type=abstract
American Geophysical Union, Fall Meeting 2008, abstract #P12A-10
Other
2732 Magnetosphere Interactions With Satellites And Rings, 2736 Magnetosphere/Ionosphere Interactions (2431), 2780 Solar Wind Interactions With Unmagnetized Bodies, 6281 Titan
Scientific paper
During Cassini's T32 flyby, Titan was found in Saturn's magnetosheath. Though Titan was no longer inside the magnetosphere, mass loaded field lines of Kronian origin were found within Titan's ionosphere. This result was unexpected and indicates that Titan's interaction with solar wind plasma is affected in some way by remnant Kronian magnetic field lines, the existence of which are dependent on how recently Titan was inside Saturn's magnetosphere. We investigate the response of Titan's induced magnetosphere during a crossing of Saturn's magnetopause using both a 3D Multi-fluid coupled Saturn-Titan model and a local 3D Multi-fluid model of Titan. The 3D multi-fluid model allows us to simulate Saturn's entire magnetosphere as well as Titan's induced magnetosphere with ~460 km resolution. In this simulation we will initially place Titan within the magnetosphere and then increase the solar wind pressure until Saturn's magnetopause is forced past Titan, which will allow us to study how the coupling of Titan's ionosphere and Saturn's magnetosphere is affected on a large scale and over time by crossing Saturn's magnetopause. In addition, a local Titan simulation with resolution down to 25 km will be used to study the reaction of Titan's ionosphere to rapid changes in magnetic field strength and incident plasma composition and temperature. Results from the two models will be compared to each other as well as to Cassini magnetometer and CAPS data.
Snowden Darci
Winglee Robert
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