Title: Jovian longitudinal asymmetry in Io-related and Europa-related auroral hot spots
Abstract: view Abstract Citations (23) References (20) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Jovian longitudinal asymmetry in Io-related and Europa-related auroral hot spots. Dessler, A. J. ; Chamberlain, J. W. Abstract Auroral emissions generated by the Jovian moons Io and Europa, originating at the foot of the magnetic flux tubes of the satellites, may be largely limited to longitudes where the planet's ionospheric conductivity is enhanced. The enhanced conductivity is produced by trapped energetic electrons that drift into the Jovian atmosphere in regions where the planet's magnetic field is anomalously weak. The most active auroral hot-spot emissions lie in a sector of the northern hemisphere defined by decametric radio emission. Weaker auroral hot spots are found in the southern hemisphere along a magnetic conjugate trace. The brightness and the longitude of the Jovian hot spots predicted in this paper are in agreement with observations reported by Atreya et al. (1977). Publication: The Astrophysical Journal Pub Date: June 1979 DOI: 10.1086/157155 Bibcode: 1979ApJ...230..974D Keywords: Auroral Irradiation; Europa; Io; Jupiter Atmosphere; Planetary Magnetic Fields; Anomalies; Brightness; Electron Scattering; Energetic Particles; Field Strength; Ionospheric Conductivity; Lyman Alpha Radiation; Magnetic Flux; Planetary Ionospheres; Radio Emission; Trapped Particles; Lunar and Planetary Exploration; Jupiter:Magnetic Field; Jupiter Magnetosphere:Jupiter Satellites full text sources ADS |