Physics
Scientific paper
Mar 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980georl...7..189l&link_type=abstract
Geophysical Research Letters, vol. 7, Mar. 1980, p. 189-192. NSF-supported research;
Physics
11
Interplanetary Magnetic Fields, Magnetic Field Configurations, Magnetic Flux, Magnetohydrodynamic Waves, Plasma Dynamics, Solar Wind, Explorer 33 Satellite, Explorer 35 Satellite, Magnetic Variations, Plane Waves, Pulse Amplitude
Scientific paper
The dynamic structure of large-amplitude Alfven disturbances of the interplanetary magnetic field is examined by transforming one-hour intervals of Explorers 33 and 35 magnetometer data from the solar ecliptic coordinate system to a coordinate system defined by the principal axes of the variance matrix. It is demonstrated how some interplanetary magnetic field fluctuations observed by both Explorers are consistent with local properties theoretically predicted for plane large-amplitude Alfven waves by Barnes and Hollweg (1974). The different types of angular motion of the magnetic field component normal to the direction of minimum variance may be indicative of the detailed conditions of the solar coronal plasma in the regions generating the Alfven waves, or some aspect of local generation.
Lichtenstein Bernard Robert
Sonett Charles P.
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