Physics
Scientific paper
Dec 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005agufm.p43a0964p&link_type=abstract
American Geophysical Union, Fall Meeting 2005, abstract #P43A-0964
Physics
5706 Aurorae, 5737 Magnetospheres (2756)
Scientific paper
Recent theoretical models of the large scale Jovian dynamics (Southwood and Kivelson, 2001; Cowley and Bunce, 2003) predict that brightenings (conversely, dimmings) of the main auroral oval should be associated with episodes of low (high) pressure solar wind and magnetosphere expansions (compressions). Remote sensing of auroral emissions from Jupiter, on the contrary, indicate a positive correlation between the global auroral activity and the solar wind pressure (e.g. Gurnett et al., 2002). In this study, we will focus on the variability of the main oval structure and brightness from the HST archive data, and use an MHD model to extrapolate the solar wind measured at Earth out to Jupiter at the period of the observations. These two sets of results will be compared whenever possible.
Galland Kivelson Margaret
Hansen Kenneth Calvin
Prangé Renee
Southwood David
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