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Fig. 1


Redshift histogram of the 479 VF = 0 galaxies in the 2 × 2 square degrees field centred on A3921 with a binning of Δz = 0.002. Inlay: redshift histogram of the VF = 0 galaxies in the redshift range 0.0841 ≤ z ≤ 0.1006 with a binning of Δz = 0.001. The dashed lines indicate the redshift limits for cluster members derived via the 3σ clipping technique (see text for details).

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