Fig. 7.
Distribution of the structural parameters for the UDG candidates in Hydra I(filled red histogram). Axial ratio (lower-left panel), Sersic index n (lower right panel), effective radius Re (top-left panel), and central surface brightness μ0 (top-right panel) are compared with the same parameters derived for the UDGs in the Abell 168 cluster (black line) by Román & Trujillo (2017) and in Coma cluster (blue line) by Yagi et al. (2016).
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