XMM-Newton Science Analysis System


epevents (epevents-6.55) [xmmsas_20230412_1735-21.0.0]

Isolated case:

                     . . .
single event         . X .
                     . . .

                   . . . . .   . . . . .   . . . . .   . . . . .
                   . . x . .   . . . . .   . . . . .   . . . . .
double pattern     . . X . .   . . X x .   . . X . .   . x X . .
                   . . . . .   . . . . .   . . x . .   . . . . .
                   . . . . .   . . . . .   . . . . .   . . . . .

                   . . . . .   . . . . .   . . . . .   . . . . .
                   . . x . .   . . x . .   . . . . .   . . . . .
triple pattern     . x X . .   . . X x .   . . X x .   . x X . .
                   . . . . .   . . . . .   . . x . .   . . x . .
                   . . . . .   . . . . .   . . . . .   . . . . .

                   . . . . .   . . . . .   . . . . .   . . . . .
                   . m x . .   . . x m .   . . . . .   . . . . .
quadruple pattern  . x X . .   . . X x .   . . X x .   . x X . .
                   . . . . .   . . . . .   . . x m .   . m x . .
                   . . . . .   . . . . .   . . . . .   . . . . .

Here '.' marks a pixel without an event above the threshold, `X' is the pixel with the maximum charge (“main pixel") `x' is the pixel with a non-maximum charge, `m' is the pixel with the minimum charge. These 13 figures refer to the SAS PATTERN codes 0, $1-4$, $5-8$, and $9-12$, respectively).