Fig. 4.
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Distribution of the sample within the Virgo cluster. Left: on-sky distribution of the selected sample of LSBs. The green contours mark the X-ray emission of the hot cluster gas obtained by ROSAT (Böhringer et al. 1994). Right: cumulative distribution of the projected cluster-centric distance of the galaxies in units of the cluster virial radius (Rvir = 1.55 Mpc; Ferrarese et al. 2012). The dashed red, dotted blue, and solid black lines are the UDGs, diffuse galaxies, and all the NGVS galaxies, respectively.
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