Comparison of Wave Observations near the Plasmapause from Cluster with the
Image EUV Data

Santolik, O., D. Gallagher, O. Moullard, M. Parrot

Plasma density structures in the outer plasmasphere act as waveguides for
whistler-mode waves at frequencies from several hundred Hertz to a few kHz.
The perigee of the Cluster satellites is at a radial distance of 4 Earth
radii, where they pass approximately perpendicular to the magnetic
equatorial plane in the outer plasmasphere. We use the data of the STAFF-SA
wave instrument collected during the first year of operation to identify the
spatio-temporal structure of that region. We compare these in situ
measurements with remote observations of the corotating plasmaspheric
structures from the Image EUV instrument.

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To be presented at the Magnetospheric Imaging Workshop, 
Yosemite National Park, California, U.S.A., Feb. 5-8, 2002.