Physics
Scientific paper
Dec 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002agufmsm52a0548a&link_type=abstract
American Geophysical Union, Fall Meeting 2002, abstract #SM52A-0548
Physics
2730 Magnetosphere: Inner, 2740 Magnetospheric Configuration And Dynamics, 2752 Mhd Waves And Instabilities, 2772 Plasma Waves And Instabilities, 2784 Solar Wind/Magnetosphere Interactions
Scientific paper
We present analyses of a nightside plasmaspheric pattern of bifurcated, filamentary He+ 30.4-nm emission enhancements observed by IMAGE EUV between ~19:40-22:13 UT on 28 June 2000 that indicate the presence of a large-scale, global ULF standing wave pattern. Analysis of coincident IMAGE magnetometer chain data reveals that these ULF waves extend across the magnetic latitude-longitude range of the chain and possess multiple spectral features between 0.6-5.0-mHz (3-30 minute period). Additionally, analysis of ACE SWEPAM data reveals similarly structured spectral components in the solar wind. Collectively, these analyses lead to the conclusion that the observed large-scale ULF wave pattern is the result of solar wind pressure pulses "ringing" the inner-magnetosphere.
Adrian Mark L.
Gallagher Dennis L.
Sandel Bill R.
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