Fig. 14
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EPIC MOS2 lightcurves of 4XMM J023228.8+202349 (ObsID 0810821801), binned at 2 ks. The soft (0.3–2 keV) and hard (2–7 keV) emission evolve in a similar way, meaning that the change is not due to absorption (which would impact more significantly on the soft emission) but is intrinsic to the powerlaw component. A slight ~1ks lag is visible between the soft and hard emission.
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