Fig. 7.
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Left panel: structural parameters for UDGs (purple circles are UDGs in this work, red circles are UDGs from Iodice et al. 2020, and the orange diamond marks UDG 32 Iodice et al. 2021) and LSB galaxies (black crosses) in the Hydra I cluster as a function of the cluster-centric projected distance. From the top to the bottom: effective radius Re, g − r color, central surface brightness μ0 in the g band, and the Sérsic index n. The blue dashed line is the mean locus derived for the dwarf galaxy sample in Hydra I published in Paper I. The running mean shown is calculated considering a moving window of a fixed number of objects (50). Right panel: distributions of the parameters shown in the left panels.
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