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Title:
Observations of the Jovian System with the Chandra X-ray Observatory
Authors:
Elsner, R. F.; Gladstone, G. R.; Lewis, W. S.; Waite, J. H.; Crary, F. J.; Grodent, D.; Howell, R. R.; Johnson, R. E.; Bhardwaj, A.; Ford, P. G.; Dougherty, M. K. M. K.; Espinosa, S. A.; Cravens, T. E.; Tennant, A. F.; Weisskopf, M. C.
Affiliation:
AA(NASA/MSFC), AB(SwRI), AC(SwRI), AD(U. Michigan), AE(U. Michigan), AF(U. Michigan), AG(U. Wyoming), AH(U. Virginia), AI(Vikram Sarabhai), AJ(MIT), AK(Imperial College, London), AL(MPI, Katlenburg-Lindau), AM(U. Kansas), AN(NASA/MSFC), AO(NASA/MSFC)
Publication:
American Physical Society, April Meeting, Jointly Sponsored with the High Energy Astrophysics Division (HEAD) of the American Astronomical Society April 20 - 23, 2002 Albuquerque Convention Center Albuquerque, New Mexico Meeting ID: APR02, abstract #B17.078
Publication Date:
04/2002
Origin:
APS
Bibliographic Code:
2002APS..APRB17078E

Abstract

Sensitive, very high spatial-resolution x-ray observations with the Chandra X-ray Observatory have revealed that Jupiter's northern x-ray aurora originates at a spot fixed in a coordinate system rotating with the planet at latitude (60-70 deg north) and longitude (160-180 deg System III). The northern auroral x-ray emission varies with a period about 45 minute and has an average power of about 1 GW. Jupiter's disk also emits x-rays with a power of about 2 GW, perhaps resulting from reprocessing of solar x-rays in its atmosphere. These observations reveal for the first time x-ray emission from the Io Plasma Torus, with a power of about 0.1 GW. Finally, we report the discovery of very faint (about 1-2 MW) soft x-ray emission from the Galilean satellites Io, Europa, and probably Ganymede.
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