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Fig. 2

image

Image of MACS 0416 from the Hubble Frontier Fields data (using the ACS filters F435W, F606W and F814W for the blue, green and red channels respectively) with the two overlaid MUSE pointings (magenta boxes), each 1′ across. The green circles indicate the 193 selected galaxy cluster members (75% of which spectroscopically confirmed), with the radii proportional to the values of σv obtained from the best-fitting lensing model and using Eq. (1). The three red contours show the 95% confidence level of the dark-matter halo centers included in the lensing model.

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