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Auroral Processes
Kurth, W. S.; Bunce, E. J.; Clarke, J. T. et al.
2009In Dougherty, M. K.; Esposito, L. W.; Krimigis, S. M. (Eds.) Saturn from Cassini-Huygens
 

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Abstract :
[en] Cassini has afforded a number of unique opportunities to understand auroral processes at Saturn and to highlight both differences and similarities with auroral physics at both Earth and Jupiter. A number of campaigns were coordinated with the Hubble Space Telescope such that Cassini could provide either ground truth on the impinging solar wind or in situ measurements of magnetospheric conditions leading to qualitative and sometimes quantitative relationships between the solar wind influence on the intensity, the morphology and evolution of the auroras, and magnetospheric dynamics. The Hubble UV images are enhanced by Cassini’s own remote sensing of the auroras. Cassini’s in situ studies of the structure and dynamics of the magnetosphere discussed in other chapters of this book provide the context for understanding the primary drivers of Saturn’s auroras and the role of magnetospheric dynamics in their variations. Finally, Cassini’s three dimensional prime mission survey of the magnetosphere culminates in high inclination orbits placing it at relatively small radial distances while on auroral field lines, providing the first such in situ observations of auroral particles and fields at a planet other than Earth. The new observations have spawned a number of efforts to model the interaction of the solar wind with the magnetosphere and how such dynamics influence the auroras.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Kurth, W. S.
Bunce, E. J.
Clarke, J. T.
Crary, F. J.
Grodent, Denis  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Labo de physique atmosphérique et planétaire (LPAP)
Ingersoll, A. P.
Dyudina, U. A.
Lamy, L.
Mitchell, D. G.
Persoon, A. M.
Pryor, W. R.
Saur, J.
Stallard, T.
More authors (3 more) Less
Language :
English
Title :
Auroral Processes
Publication date :
2009
Main work title :
Saturn from Cassini-Huygens
Editor :
Dougherty, M. K.
Esposito, L. W.
Krimigis, S. M.
Publisher :
Springer, Berlin, Germany
ISBN/EAN :
978-1-4020-9216-9
Pages :
333-374
Available on ORBi :
since 28 September 2010

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