Other
Scientific paper
Apr 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997p%26ss...45..483r&link_type=abstract
Planetary and Space Science, v. 45, p. 483-493.
Other
8
Scientific paper
The possible role of ULF waves observed in the Io torus in the generation of Jovian aurorae is investigated. Auroral emissions have been observed, not only at high latitude, but also at the footprint of magnetic field lines connected to the Io torus in a limited longitudinal range around 150°. As Ulysses passed by Jupiter, it explored the Io torus in latitude and longitude, allowing to test a possible localization of the waves on field lines mapping down into the aurora. A maximum intensity of the waves is observed in the high latitude part of the torus around the longitude where the aurorae were observed. Another maximum is also observed at the magnetic equator. The propagation mode of the waves is discussed and their amplitude is compared to the values necessary for scattering ions, showing that the ULF waves could possibly be at the origin of the aurorae.
Balogh André
Belmont Gérard
Canu Paolo
Cornilleau-Wehrlin Nicole
Forsyth Robert J.
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