Physics
Scientific paper
Dec 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011agufm.p11d1608m&link_type=abstract
American Geophysical Union, Fall Meeting 2011, abstract #P11D-1608
Physics
[5719] Planetary Sciences: Fluid Planets / Interactions With Particles And Fields, [5780] Planetary Sciences: Fluid Planets / Tori And Exospheres, [6275] Planetary Sciences: Solar System Objects / Saturn
Scientific paper
The magnetosphere of Saturn, in contrast to that of Jupiter, is dominated by neutral atoms. The Ultraviolet Imaging Spectrograph (UVIS) has observed a very broad distribution of H, emanating from the planet itself. In addition, a toroidal oxygen distribution has been observed, centred around ±4 RS - a product of outgassing from Enceladus. The oxygen is seen extending out to ±10 RS and appears variable over relatively short time-scales. Here we present the short term behaviour of these distributions, and the result of recent observations of the oxygen and hydrogen distribution.
Liu Xiandong
Melin Henrik
Shemansky Don E.
Stallard Tom
Yoshii J.
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