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Simulation of magnetopause oscillations observed January 9, 1996
Author(s) -
Slinker S. P.,
Fedder J. A.,
Sibeck D. G.,
Lyon J. G.,
Frank L. A.,
Mukai T.
Publication year - 2003
Publication title -
geophysical research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.007
H-Index - 273
eISSN - 1944-8007
pISSN - 0094-8276
DOI - 10.1029/2003gl017063
Subject(s) - magnetopause , magnetosphere , physics , solar wind , amplitude , geophysics , magnetohydrodynamics , instability , magnetosheath , spacecraft , computational physics , astrophysics , mechanics , astronomy , plasma , quantum mechanics
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.