NASA NTRS · 20020034467
X-Ray Emissions from Jupiter
Abstract
X-ray emissions from Jupiter have been observed for over 20 years. Jovian x-ray emissions are associated with 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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Gladstone, G. R., Waite, J. H., Jr., Grodent, D., Crary, F. J., Elsner, R. F., Weisskopf, M. C., Lewis, W. S., Jahn, J.-M., Bhardwaj, A., Clarke, J. T., Whitaker, Ann F.. 2001-01-01. X-Ray Emissions from Jupiter. https://ntrs.nasa.gov/citations/20020034467
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