Fig. 1.
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XMM-Newton/EPIC count-rate images of MKW3s (top), A2589 (centre), and Hydra A (bottom) in the 0.7 − 1.2 keV band. The red dashed circles mark R500 for each cluster. The green circles are the regions used to estimate the contamination from the X-ray sky background. The white dashed region in the bottom panel has been masked to remove residual thermal emission associated with LEDA 87445. A Gaussian filter has been used to smooth the images for visual purposes only.
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