Fig. 2.

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Left panel: optical image from DESI of the environment of VCC 693. Two galaxies are located northwest (VCC 613) and southeast (VCC 785) of VCC 693, whereas a dwarf galaxy is located northeast of it (VCC 764). The dashed lines show their virial radii estimated as 67 times the r-band half-light radius. The blue arrows indicate the directions and angular distances to the center of the Virgo cluster (M87) and the nearest substructure (W cloud) relative to VCC 693. Right panel: projected phase-space diagram of redshift-confirmed Virgo galaxies. The escape velocity profiles of Virgo as a function of the angular distance from M87 are indicated by the two dashed black lines. VCC 693 is shown in red, overlaid on the Virgo cluster members displayed in black.
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