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Spatial and temporal characteristics of poloidal waves in the terrestrial plasmasphere: a CLUSTER case study

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Academic year: 2017

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Fig. 1. The CLUSTER orbits in the dayside magnetosphere on 15 September 2002, 06:00, 07:00, 08:00 and 09:00 UT
Fig. 2. Spacecraft potential U detected by Cluster C4. The arrows mark the times when spacecraft C4 crosses the assumed  plasma-pause position at L=4.7 (06:45 and 07:37 UT).
Fig. 3. FGM and EFW measurements for the four Cluster space- space-craft (C1: black, C2: red, C3, green, C4: blue), transformed into a Mean-Field-Aligned coordinate system
Fig. 5. Schematic illustrating the L-D-M coordinate system. The spacecraft positions are marked by rectangles, the dotted lines  rep-resent magnetic field lines.
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