X-Ray Emissions from Jupiter

Details X-Ray Emissions from Jupiter X-Ray Emissions from Jupiter

May 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001agusm..sh21a09g&link_type=abstract

American Geophysical Union, Spring Meeting 2001, abstract #SH21A-09 INVITED

Physics

0310 Airglow And Aurora, 2451 Particle Acceleration, 2455 Particle Precipitation, 2704 Auroral Phenomena (2407), 5707 Atmospheres--Structure And Dynamics

Scientific paper

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.

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