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XMM-Newton Science Analysis System

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The variability tests are performed in the same way and using the same procedures as in the SAS plotting task lcplot.

The $\chi^2$ statistics close to the bin number and a small Kolmogorov-Smirnov statistics with probabilities higher than 0.01 indicate that the source is unlikely to be variable.

XMM-Newton SOC -- 2023-04-16