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Separation Of Spatial And Temporal Structure Of Auroral Particle Precipitation, A. Boudouridis, Harlan E. Spence
Separation Of Spatial And Temporal Structure Of Auroral Particle Precipitation, A. Boudouridis, Harlan E. Spence
Physics & Astronomy
[1] Knowledge of the dominant temporal and spatial scales of auroral features is instrumental in understanding the various mechanisms responsible for auroral particle precipitation. Single spacecraft data always suffer from temporal/spatial ambiguity. In an effort to separate the temporal and spatial variations of the aurora, we use electron and ion precipitation data from two co-orbiting satellites, F6 and F8 of the Defense Meteorological Satellite Program (DMSP). The two spacecraft have almost identical polar orbits with a small difference in period. As a result the time difference between the two measurements varies with time. We use two statistical tools in order …