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Fig. 7


Surface brightness profile of UGC 03957 in the 0.72 keV band for different input images used for the ARF creation. Green data points correspond to XMM-Newton pseudo-data and the green dotted line shows the extrapolated SB profile from Lovisari et al. (2015). Blue data points correspond to the measured SB when an input image following the extrapolated XMM-Newton results is used. Red data points correspond to the SB using an ARF input image created from the best fit to the measured Suzaku SB from the first iteration step and the XMM-Newton pseudo-data simultaneously. The red dot-dashed line shows the best fit single-beta model to the red data points; the red solid line represents the best fit double-beta model to the red data points and XMM-Newton pseudo-data simultaneously.

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