Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991angeo...9..784l&link_type=abstract
Annales Geophysicae (ISSN 0992-7689), vol. 9, Dec. 1991, p. 784-796.
Astronomy and Astrophysics
Astronomy
13
Jupiter (Planet), Planetary Radiation, Radio Spectra, Voyager Project, Radio Astronomy, Radio Waves, Solar Planetary Interactions, Voyager 1 Spacecraft, Voyager 2 Spacecraft
Scientific paper
The main characteristics and the inferred properties of the hectometric (HOM) radiation which was observed by IMP-6, RAE-1 and Voyager spacecraft are reviewed. This includes the occurrence of HOM in Jovian longitude, the strong beaming in latitude, the polarization properties, the local time effect, and the solar wind control of the emission. Like many radio emissions observed at the other magnetized planets, the hectometric components is likely to be generated in the R-X mode from sources in the northern and southern auroral zones. The emission is beamed along the surface of hollow cones and is possibly produced by the cyclotron maser mechanism. The HOM sources extend up to 7 R(J) (Jovian radii) along field lines near L = 20 in the auroral zone; they are distinct from the Io-controlled decametric (DAM) sources but are probably the extension of the non-Io DAM sources.
Ladreiter Hans Peter
Leblanc Yolanda
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