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Table 6

Statistics of our inter-pointing χ2 variability test as a function of instrument and energy band.

Instrument Soft Medium Hard Full

MOS1 5 29 39 52
MOS2 5 27 39 48
pn 14 43 47 69

Notes. The numbers provide the fraction (in %) of sources that display variability at a significance level of  ≥ 95%.

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