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Summary

 

A sudden northward rotation of the IMF was observed by IMP 8 near the bow shock at 21:22 UT on Jan 10, 1997, coincided with the formation of the K-H instability at the magnetopause/LLBL layer. GEOTAIL located in these region moved between the LLBL and the plasma sheet as a result of the surface waves. During this time, its instruments detected magnetic field vortices and fast mode waves. The fast mode waves have much broader power spectra than the narrow- banded field-line resonances simultaneously observed by POLAR at L = 10.2-6.6. The ULF waves are a likely candidate to produce ion outflow from the ionosphere. In addition, the field-line resonances show two unexpected peaks in the oscillation periods which can be explained with Otex2html_wrap_inline514-rich field lines.



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Next: Acknowledgments Up: Field-Line Resonances Triggered by Previous: Discussion

© 1998 AGU