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X-Ray Emissions from Jupiter
Gladstone, G.; Waite, J.; Grodent, Denis et al.
2001American Geophysical Union Spring Meeting 2001
 

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Keywords :
0310 Airglow and aurora; 2451 Particle acceleration; 2455 Particle precipitation; 2704 Auroral phenomena (2407); 5707 Atmospheres--structure and dynamics
Abstract :
[en] X-ray emissions from Jupiter have been observed for over 20~years. Jovian x-ray emissions are associated with the high-latitude aurora and with solar fluorescence and/or an energetic particle source at low-latitudes as identified by past Einstein and ROSAT observations. Enhanced auroral x-rays were also observed to be associated with the impact of Comet Shoemaker-Levy~9. The high-latitude x-ray emissions are best explained by energetic sulfur and oxygen ion precipitation from the Jovian magnetosphere, a suggestion that has been confirmed by recent Chandra ACIS observations. Exciting new information about Jovian x-ray emissions has been made possible with Chandra's High Resolution Camera. We report here for the first time the detection of a forty minute oscillation associated with the Jovian x-ray aurora. With the help of ultraviolet auroral observations from Hubble Space Telescope, we pinpoint the auroral mapping of the x-rays and provide new information on the x-ray source mechanism.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Gladstone, G.
Waite, J.
Grodent, Denis  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Labo de physique atmosphérique et planétaire (LPAP)
Crary, F.
Elsner, R.
Weisskopf, M.
Lewis, W.
Jahn, J.
Bhardwaj, A.
Clarke, J.
Young, D.
Dougherty, M.
Language :
English
Title :
X-Ray Emissions from Jupiter
Publication date :
29 May 2001
Event name :
American Geophysical Union Spring Meeting 2001
Event place :
Boston, United States - Massachusetts
Event date :
29 May - 2 June 2001
By request :
Yes
Audience :
International
Available on ORBi :
since 22 August 2011

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