A Comparison of Saturn's Ring Current Parameters With Changing Magnetospheric Size

Details A Comparison of Saturn's Ring Current Parameters With Changing Magnetospheric Size A Comparison of Saturn's Ring Current Parameters With Changing Magnetospheric Size

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006agufmsm21e..06b&link_type=abstract

American Geophysical Union, Fall Meeting 2006, abstract #SM21E-06

Physics

2740 Magnetospheric Configuration And Dynamics, 2756 Planetary Magnetospheres (5443, 5737, 6033), 2778 Ring Current, 2784 Solar Wind/Magnetosphere Interactions

Scientific paper

Employing the first 20 orbits of the Cassini magnetic field measurements within Saturn's magnetosphere, we present a study of the relationship between Saturn's ring current parameters with variable magnetosphere size. We use a simple Connerney et al. [1983] model of the Saturnian ring current to fit to the residual magnetic fields (i.e. those fields which have had the planetary field subtracted) and compare the parameters of the model with the location of the sub-solar magnetopause. We find that a positive correlation exists between the ring current magnetic moment and the size of the magnetosphere. This result will then be discussed in relation to how the magnetosphere size varies with solar wind dynamic pressure.

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