Physics
Scientific paper
Dec 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008agufmsm42a..06k&link_type=abstract
American Geophysical Union, Fall Meeting 2008, abstract #SM42A-06
Physics
2471 Plasma Waves And Instabilities (2772), 2768 Plasmasphere, 2772 Plasma Waves And Instabilities (2471), 2799 General Or Miscellaneous
Scientific paper
Stimulated by the discovery of large amplitude whistlers by STEREO S/Waves, (Cattell et al, Geophys. Res. Lett 2008 ) we have searched for similar events in the data from Wind-Waves. Although Wind was primarily intended to monitor the solar wind, the spacecraft spent 47 hours inside 5 RE and 431 hours inside 10 RE during the 8 years that it orbited the earth. Five episodes where found when whistlers had amplitudes comparable to those of Cattell et al. Unlike STEREO, the Waves experiment also had a search coil, so magnetic measurements are available, either only one component, or in rare cases, all three components. Generally, the results confirm the interpretations of Cattell et al, As they found, such whistlers occur near the edge of the plasmasphere, but the Wind-Waves observations show that they occur at a wide range of local times. Large amplitude whistlers are frequently preceded or followed by episodes of large amplitude very narrow solitary waves (100 mV/m), presumed to be electron holes.
Cattell Cynthia A.
Goetz Keith
Kellogg Paul J.
Monson Steven J.
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