Fig. B.4

image

CFHTLS i′ band 7.5′× 5′ image around XLSSC 539 confirmed z = 0.184 and 0.169 double structure. Red circles represent the member galaxies of the two components. We clearly see the central z = 0.184 structure and the other component at z = 0.169 towards the east. The large red circle represents a 500 kpc radius area. White contours are for the X-ray emission.

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