Reference : Detection of Auroral Emissions from Callisto’s Magnetic Footprint at Jupiter

	Document type :	Scientific congresses and symposiums : Poster
	Discipline(s) :	Physical, chemical, mathematical & earth Sciences : Space science, astronomy & astrophysics
	To cite this reference:	http://hdl.handle.net/2268/100639

Title :	Detection of Auroral Emissions from Callisto’s Magnetic Footprint at Jupiter
Language :	English
Author, co-author :	Clarke, J. T. [Boston University, USA > > > >]
	Wannawichian, S. [Chiang Mai University, Thailand > > > >]
	Hernandez, N. [Boston University, USA > > > >]
	Bonfond, Bertrand [Université de Liège - ULg > Département d'astrophys., géophysique et océanographie (AGO) > Labo de physique atmosphérique et planétaire (LPAP) >]
	Gérard, Jean-Claude [Université de Liège - ULg > Département d'astrophys., géophysique et océanographie (AGO) > Département d'astrophys., géophysique et océanographie (AGO) >]
	Grodent, Denis [Université de Liège - ULg > Département d'astrophys., géophysique et océanographie (AGO) > Labo de physique atmosphérique et planétaire (LPAP) >]
Publication date :	Oct-2011
On invitation :	No
Audience :	International
Event name :	EPSC-DPS Joint Meeting 2011
Event date :	du 02 octobre 2011 au 07 octobre 2011
Event place (city) :	Nantes
Event country :	France
Abstract :	[en] HST observations of Jupiter’s aurora in a large campaign reveal several cases where the main oval emission appeared at unusually low latitudes, making it possible to search for the first time for auroral emissions from the magnetic footprint of Callisto without the overlapping bright emissions from the main oval. Several cases have been found where point-source emissions have now been detected from locations consistent with Callisto’s magnetic footprint on Jupiter at a brightness of ten’s of kilo- Rayleighs. These observations confirm that there is an electrodynamic interaction between Callisto and Jupiter’s magnetospheric environment that is similar to those at Io, Europa, and Ganymede, which all have auroral footprints. The properties of the emissions and a comparison with other observations and theoretical expectations will be presented in this paper.
Target :	Researchers ; Professionals ; Students
Permalink :	http://hdl.handle.net/2268/100639
Other URL :	http://meetingorganizer.copernicus.org/EPSC-DPS2011/EPSC-DPS2011-1468.pdf

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