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pre-SAGA Events

Sometimes it happens that the ratemeters are subjected to sudden increases when the satellite approaches the SAGA (fig. [*]). These events are not frequent and are thought to be caused by huge charged particles' concentrations in the vicinities of the SAGA: when the satellite enters this regions, that only occasionally show such high-energy particle densities, these outstanding increases in the ratemeters are recorded.
Figure: Example of a pre-SAGA event, occurred on July 30, 1999.
\epsfig{file=presaga_300799.eps, width=12cm}\end{center}\end{figure}

Cristiano Guidorzi 2003-07-31