Jupiter's Airglow and Aurora as seen from New Horizons

Details Jupiter's Airglow and Aurora as seen from New Horizons Jupiter's Airglow and Aurora as seen from New Horizons

Oct 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007dps....39.1503g&link_type=abstract

American Astronomical Society, DPS meeting #39, #15.03; Bulletin of the American Astronomical Society, Vol. 39, p.437

Astronomy and Astrophysics

Astronomy

Scientific paper

We present preliminary results from observations of Jupiter's airglow and aurora obtained during the flyby of the New Horizons spacecraft. Three new and interesting results are found: 1) a lack of ultraviolet nightglow emissions, implying very little low-latitude particle precipitation - a major change since the Voyager flybys in 1979; 2) a strong dependence on solar local time of the flux and average energy of auroral electrons on the night side, consistent with a possible source region along the dusk flank of Jupiter's magnetosphere, and 3) vertically extended and structured visible auroral emissions associated with the Io Flux Tube footprint, indicating soft electron precipitation from a likely source region at the satellite of only a few Io diameters.

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