HR: 1340h
AN: P43A-0964    [Abstracts]
TI: Search for a Relationship Between the Solar Wind Conditions and the Activity of the Jovian Main Auroral Oval
AU: * Prangé, R
EM: renee.prange@obspm.fr
AF: CNRS/Observatoire de Paris, LESIA, Observatoire de Paris 5 place Jules Janssen, Meudon, 92195 France
AU: Kivelson, M G
EM: mkivelson@igpp.ucla.edu
AF: UCLA/IGPP6843, Slichter Hall, Los Angeles, CA 90095-1567 United States
AU: Southwood, D
EM: david.southwood@esa.int
AF: ESA, 8, rue Mario Nikis, Paris, 75015 France
AU: Hansen, K C
EM: kenhan@umich.edu
AF: AOSS/University of Michigan, University of Michigan, Ann Arbor, MI 48109 United States
AB: 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.
DE: 5706 Aurorae
DE: 5737 Magnetospheres (2756)
SC: Planetary Sciences [P]
MN: Fall Meeting 2005