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Fig. 4.


Left panel: unsharp-mask image using a 20σ and a 800σ Gaussian to enlighten large-scale, low-surface brightness features. Point-like sources were removed. Crosses show the position of the X-ray centroid of RXCJ1824 (magenta), BCG-CC (white), and SG (cyan). Right panel: unsharp-mask image using 20σ and a 240σ Gaussian to search for small-scale features.

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