Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981jgr....86.8467l&link_type=abstract
Journal of Geophysical Research, vol. 86, Sept. 30, 1981, p. 8467-8470.
Astronomy and Astrophysics
Astronomy
8
Doppler Effect, Electron Density (Concentration), Io, Signal Transmission, Toroidal Plasmas, Voyager 1 Spacecraft, Astronomical Models, Flyby Missions, Plasma Density, Radio Scattering, Jupiter, Satellites, Io, Plasma Torus, Electrons, Abundance, Voyager 1, Doppler Observations, Wavelengths, Distribution, Experiments, Models, Comparisons, Data
Scientific paper
As Voyager 1 made its swing-by of Io, it passed through and behind the satellite's plasma torus. The phase paths of the coherent 13 cm and 3.6-cm wavelength signals transmitted from the spacecraft were shortened differentially by the plasma, resulting in the observation of a dispersive Doppler signature in the signals received at the NASA/Jet Propulsion Laboratory (deep space network) stations. Ray path integration through three different models of the electron distribution of the torus of Io (Warwick et al. 1979; Birmingham et al. 1981; Bagenal et al., 1981) have been performed. The results of the integrations are compared with the dispersive Doppler data.
Green Daniel W.
Levy Gerald S.
Royden H. N.
Tyler Leonard G.
Wood G. E.
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