Reference : Saturn's UV Aurora Imaged with HST during the Cassini Approach to Saturn
Scientific congresses and symposiums : Poster
Physical, chemical, mathematical & earth Sciences : Space science, astronomy & astrophysics
http://hdl.handle.net/2268/20852
Saturn's UV Aurora Imaged with HST during the Cassini Approach to Saturn
English
Clarke, J. T. mailto [Boston University > Center for Space Physics >]
Gérard, Jean-Claude mailto [Université de Liège - ULg > Département d'astrophys., géophysique et océanographie (AGO) > Labo de physique atmosphérique et planétaire (LPAP) >]
Grodent, Denis mailto [Université de Liège - ULg > Département d'astrophys., géophysique et océanographie (AGO) > Labo de physique atmosphérique et planétaire (LPAP) >]
Wannawichian, S. mailto [Boston University > Center for Space Physics >]
Gustin, Jacques mailto [Université de Liège - ULg > Département d'astrophys., géophysique et océanographie (AGO) > Labo de physique atmosphérique et planétaire (LPAP) >]
Connerney, J. mailto [NASA Goddard Space Flight Center >]
Crary, F. mailto [Southwest Research Institute >]
Dougherty, M. mailto [Imperial College > Blackett Laboratory >]
Kurth, William [University of Iowa > Department of Physics and Astronomy >]
Cowley, S. W. mailto [University of Leicester > Department of Physics and Astronomy >]
Bunce, E. mailto [University of Leicester > Department of Physics and Astronomy >]
Hill, T. mailto [Rice University > Department of Physics and Astronomy >]
Kim, J. mailto [Yonsei University > School of Civil and Environmental Engineering >]
13-Dec-2004
No
No
International
AGU Fall Meeting
13-17 December, 2004
American Geophysical Union
San Francisco
USA
[en] 5719 Interactions with particles and fields ; 5734 Magnetic fields and magnetism ; 5757 Remote sensing
[en] A series of HST STIS UV images of Saturn's aurora were obtained on 13 days in Jan. 2004 as the Cassini spacecraft measured the approaching solar wind properties. Clear general correlations have been found between the auroral power and a) Saturn's kilometric radiation, and b) the solar wind dynamic pressure, but not with the direction of the interplanetary magnetic field. While these general correlations are now well established, a closer examination of the data raises many interesting questions. Saturn's auroral emissions exhibit both local time and co-rotational properties, the auroral oval does not appear centered on the magnetic and rotational pole, the auroral emissions exhibit large and unexpected motions in latitude with time and/or planetary rotation, and the auroral oval does not appear continuous, but broken with longitude. This talk will present a more detailed look at Saturn's aurora from the HST images, with a comparison of auroral emission properties to those at the Earth and Jupiter.
Researchers ; Professionals
http://hdl.handle.net/2268/20852
http://adsabs.harvard.edu/abs/2004AGUFM.P53B..01C

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