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On January 9, 1996, the Geotail spacecraft was near the dusk flank of the magnetopause at 18 MLT. From 0100–0300 UT several short excursions out of the magnetosphere were observed. This time interval was simulated with a 3D MHD magnetosphere model using measured solar wind and IMF data. The simulation produced oscillations resembling those recorded in terms of amplitude and frequency. We describe the details and global nature of the oscillations from the simulation and discuss the most likely source: the Kelvin‐Helmholtz instability.
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Slinker et al. (2003) studied this question.
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