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Fig. 1


Three KiDS+GAMA fields. The combined KiDS area is shown in white, with regions masking bright stars, reflective haloes, and image artefacts shown in grey. Circles indicate the actual angular sizes of R200 disks of GAMA groups up to z ≤ 0.10, with colours referring to their redshifts (cf. colour scale on the right). Small red dots show the positions of all UDG candidates that satisfy our final selection criteria.

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