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The effect of the shock of 15:43 UT March 23, 1991 on 50 keV to 5 MeV ions at Ulysses
University of Kansas
University of Kansas
Johns Hopkins University/Applied Physics Laboratory
University of Birmingham
Democritos University
The intensities, angular distributions, and energy spectra of 50 keV to 5 MeV ions are examined in the several hour time interval when an interplanetary shock passed the Ulysses spacecraft. The increase in intensity, evolution of pitch angle distribution from upstream flow away from the shock to a post‐shock “pancake” distribution, the earlier arrival of more energetic particles, and the presence of non‐gyrotropic effects at the time of shock passage all can be understood in terms of kinematical behavior of the particles crossing the shock.
Received 31 January 1992; accepted 16 March 1992; .
Citation: (1992), The effect of the shock of 15:43 UT March 23, 1991 on 50 keV to 5 MeV ions at Ulysses, Geophys. Res. Lett., 19(12), 1247–1250.
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