Fig. 5
Distribution of the logarithmic flux variations, normalised to the total number. Yellow shaded histogram: combined ROSAT XMM-Newton light curves including all the data. Red histogram: the same as before but removing the XMM-Newton fluxes fainter than 7.5 × 10-14 erg/cm2/s. Blue histogram: XMM-Newton-only light curves for the MEXSAS sample.
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