Physics – Plasma Physics
Scientific paper
Dec 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005georl..3223105p&link_type=abstract
Geophysical Research Letters, Volume 32, Issue 23, CiteID L23105
Physics
Plasma Physics
30
Magnetospheric Physics: Planetary Magnetospheres (5443, 5737, 6033), Planetary Sciences: Fluid Planets: Magnetospheres (2756), Planetary Sciences: Solar System Objects: Saturn, Space Plasma Physics: Charged Particle Motion And Acceleration
Scientific paper
Upper hybrid resonance emissions detected by the Radio and Plasma Wave Science (RPWS) instrument on the Cassini spacecraft are used to obtain electron densities on five equatorial orbits of Saturn at radial distances ranging from 3 to 9 saturnian radii (RS). The electron density profiles for these orbits show a highly repeatable radial dependence beyond 5 RS, decreasing with increasing radial distance approximately as (1/R)3.63. Inside 5 RS, the electron density profiles are highly variable. We show that these radial variations are consistent with a centrifugally-driven outward transport of plasma from a source inside 5 RS.
Canu Paolo
Dougherty K. M. K. M.
Groene Joseph B.
Gurnett Donald A.
Hospodarsky George B.
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