Physics
Scientific paper
Oct 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987jgr....9211074t&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 92, Oct. 1, 1987, p. 11074-11082. DOE-supported research.
Physics
76
Giacobini-Zinner Comet, Magnetosonic Resonance, Polarization Characteristics, Wave Propagation, Electron Density (Concentration), International Sun Earth Explorer 3, Wave Interaction, Comets, Giacobini-Zinner, Magnetic Waves, Magnetic Properties, Origin, Polarization, Rotation, Electrons, Density, Analysis, Ice Mission, Spacecraft Observations, Whistlers, Models, Emissions, Amplitude, Size, Plasma, Magnetohydrodynamics, Diagrams, Magnitude, Formation
Scientific paper
Intense MHD waves at Comet Giacobini-Zinner were examined to investigate the mode and direction of wave propagation and thereby to provide important constraints on potential mechanisms for the wave origin in the vicinity of the comet. From observations of steepened wave forms, it is found that the waves must be propagating toward the sun but are blown back across the ICE spacecraft. The correlation between magnetic field magnitude and electron density enhancements indicates that these waves are fast magnetosonic mode emissions. The sense of rotation of the partial rotations are left-hand circularly polarized in the spacecraft frame, consistent with anomalously Doppler-shifted right-hand waves.
Gosling Jack T.
Mansergh Thorne Richard
Matsumoto Hiroshi
Smith Edward. J.
Tsurutani Bruce T.
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