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A statistical analysis of the location and width of Saturn's southern auroras

Badman, S. V.; Cowley, S. W. H.; Gérard, J. -C. +1 more

A selection of twenty-two Hubble Space Telescope images of Saturn's ultraviolet auroras obtained during 1997-2004 has been analysed to determine the median location and width of the auroral oval, and their variability. Limitations of coverage restrict the analysis to the southern hemisphere, and to local times from the post-midnight sector to just…