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Time-Resolved Observations of Jupiter's Far-Ultraviolet Aurora

Ballester, Gilda E. and Clarke, John T. and Trauger, John T. and Harris, Walter M. and Stapelfeldt, Karl R. and Crisp, David and Evans, Robin W. and Burgh, Eric B. and Burrows, Christopher J. and Casertano, Stefano and Gallagher, John S., III and Griffiths, Richard E. and Hester, J. Jeff and Hoessel, John G. and Holtzman, Jon A. and Krist, John E. and Meadows, Vikki and Mould, Jeremy R. and Sahai, Raghvendra and Scowen, Paul A. and Watson, Alan M. and Westphal, James A. (1996) Time-Resolved Observations of Jupiter's Far-Ultraviolet Aurora. Science, 274 (5286). pp. 409-413. ISSN 0036-8075. doi:10.1126/science.274.5286.409.

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Simultaneous imaging and spectroscopic observations of Jupiter's far-ultraviolet aurora covering half a jovian rotation were made on 31 May 1994. The Hubble Space Telescope Wide Field Planetary Camera 2 images revealed dramatic and rapidly changing auroral features, including discrete longitudinal structures along the auroral ovals, with variable contrast; a poleward offset in a north oval sector, showing equatorward motion near dusk; emissions polewards of the ovals, apparently co-rotating; and a bright event developing near the dawn limb. Viewing geometry effects explain the rotational intensity modulation observed by the International Ultraviolet Explorer, without intrinsic longitudinal asymmetries.

Item Type:Article
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URLURL TypeDescription
Stapelfeldt, Karl R.0000-0002-2805-7338
Crisp, David0000-0002-4573-9998
Gallagher, John S., III0000-0001-8608-0408
Mould, Jeremy R.0000-0003-3820-1740
Additional Information:© 1996 American Association for the Advancement of Science. Received 12 July 1996; accepted 26 September 1996. We are grateful to A. Storrs at the Space Telescope Science Institute (STScl) for his efforts in scheduling these WFPC2 GTO observations and to B. McColl um and the IUE staff at Goddard Space Flight Center for scheduling and execution of the IUE observations on short notice. G.E.B. is also grateful to I. Engle, F. Bagenal, L. Ben Jaffel, R. Thorne, D. Rego, R. Clauer, and A. Ridley for helpful conversations; K. Khurana for providing the Galileo data; and the referees for helpful suggestions. This research was supported by the Jet Propulsion Laboratory 959122 and NASA ADP NAG5-3044 grants to the University of Michigan. This work was based on observations with the NASA-European Space Agency HST, obtained at the STScl, which is operated by the Association of Universities for Research in Astronomy for NASA under contract NAS5-26555.
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Issue or Number:5286
Record Number:CaltechAUTHORS:20150114-084207968
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Official Citation:Time-Resolved Observations of Jupiter's Far-Ultraviolet Aurora Gilda E. Ballester, John T. Clarke, John T. Trauger, Walter M. Harris, Karl R. Stapelfeldt, David Crisp, Robin W. Evans, Eric B. Burgh, Christopher J. Burrows, Stefano Casertano, John S. Gallagher III, Richard E. Griffiths, J. Jeff Hester, John G. Hoessel, Jon A. Holtzman, John E. Krist, Vikki Meadows, Jeremy R. Mould, Raghvendra Sahai, Paul A. Scowen, Alan M. Watson, and James A. Westphal Science 18 October 1996: 274 (5286), 409-413. [DOI:10.1126/science.274.5286.409]
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:53669
Deposited By: Tony Diaz
Deposited On:14 Jan 2015 20:58
Last Modified:10 Nov 2021 20:05

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