Other
Scientific paper
Aug 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982jgr....87.6029c&link_type=abstract
Journal of Geophysical Research, vol. 87, Aug. 1, 1982, p. 6029-6044.
Other
54
Interplanetary Magnetic Fields, Plasma Turbulence, Propagation Modes, Shock Wave Propagation, Solar Wind, Whistlers, Cyclotron Frequency, Magnetometers, Plasma Diagnostics, Spectral Energy Distribution
Scientific paper
The magnetic field fluctuations with frequencies lying between the ion and electron cyclotron frequenices are enhanced downstream of interplanetary shocks in fast streams. Although spectra synthesized from ISEE 3 magnetometer and plasma wave instrument data can be described by one power law below 1 Hz, and another one above, measurement behind four shocks of the spectral index above the ion cyclotron frequency showed it to be twice the figure below, while no clear relationship is apparent in the weaker fast stream events. Although the data base is limited, the ratios of the average wave magnetic amplitude to electric field amplitudes confirm that the waves are whistler mode emissions, as suggested by their frequency range. It is indirectly deduced that the whistler waves are generated in such a way as to propagate at large angles to the local interplanetary field.
Coroniti Ferdinan V.
Kennel Charles F.
Scarf Frederick L.
Smith Edward. J.
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