Reference : Saturn Auroral Movies from Cassini UVIS
Scientific congresses and symposiums : Unpublished conference
Physical, chemical, mathematical & earth Sciences : Space science, astronomy & astrophysics
http://hdl.handle.net/2268/33515
Saturn Auroral Movies from Cassini UVIS
English
Pryor, W. R. mailto [Central Arizona College, 8470 N Overfield Rd, Coolidge, AZ 85228, United States ;]
Stewart, I. mailto [LASP/University of Colorado, 1234 Innovation Dr, Boulder, CO 80303, United States ;]
Esposito, L. mailto [LASP/University of Colorado, 1234 Innovation Dr, Boulder, CO 80303, United States ;]
Jouchoux, A. mailto [LASP/University of Colorado, 1234 Innovation Dr, Boulder, CO 80303, United States ;]
McClintock, W. mailto [LASP/University of Colorado, 1234 Innovation Dr, Boulder, CO 80303, United States ;]
Holsclaw, G. mailto [LASP/University of Colorado, 1234 Innovation Dr, Boulder, CO 80303, United States ;]
Eriksson, S. mailto [LASP/University of Colorado, 1234 Innovation Dr, Boulder, CO 80303, United States ;]
Ajello, J. mailto [Jet Propulsion Laboratory, 4800 Oak Grove Dr., Pasadena, CA 91109, United States ;]
West, R. mailto [Jet Propulsion Laboratory, 4800 Oak Grove Dr., Pasadena, CA 91109, United States ;]
Hansen, C. mailto [Jet Propulsion Laboratory, 4800 Oak Grove Dr., Pasadena, CA 91109, United States ;]
Shemansky, D. mailto [Space Environment Technologies, 320 N Halstead St Suite 110, Pasadena, CA 91107, United States ;]
Clarke, J. mailto [Boston University, 725 Commonwealth Ave., Boston, MA 02215, United States ;]
Nichols, J. mailto [Boston University, 725 Commonwealth Ave., Boston, MA 02215, United States ;]
Gustin, Jacques 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) >]
Gérard, Jean-Claude mailto [Université de Liège - ULg > Département d'astrophys., géophysique et océanographie (AGO) > Labo de physique atmosphérique et planétaire (LPAP) >]
Colwell, J. mailto [University of Central Florida, 4000 Central Florida Blvd., Orlando, FL 32816, United States ;]
1-Dec-2008
No
International
American Geophysical Union Fall meeting
AGU
San Francisco
USA
[en] 5704 Atmospheres (0343 ; 1060) ; 5706 Aurorae
[en] Cassini's Ultraviolet Imaging Spectrograph (UVIS) has completed four years of study of Saturn's atmosphere and auroras. Two long slit spectral channels are used to obtain EUV data from 56.3-118.2 nm and FUV data from 111.5-191.3 nm. 64 spatial pixels along each slit are combined with slit motion to construct spectral images of Saturn. Auroral emissions are seen from electron-excited molecular and atomic hydrogen. In 2008 UVIS obtained data with the spacecraft well out of Saturn's ring plane, permitting UVIS to obtain a number of short movies of the rotating auroral structures. In some movies a cusp-like feature is present near noon inside the oval. One movie from 2008 day 201 shows parallel linear features on the day side almost at right angles to the main auroral oval that appear, then lengthen, separate in the middle, and then fade away. The same movie also shows one bright "polar flare" inside the oval. A few of the most recent images were obtained at sufficiently close range that 2 spacecraft slews were needed to completely cover the oval. These images provide almost 100 pixels of information across the oval and clearly show multiple arcs of emission on the main oval and scattered emissions inside the oval. We will discuss these features, their locations, and possible interpretations.
Researchers ; Professionals
http://hdl.handle.net/2268/33515
http://adsabs.harvard.edu/abs/2008AGUFMSM34A..05P

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