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Fig. 5
V/B − V CMD of NGC 4337 stars within 5 arcmin from the cluster centre. Super-imposed (red line) are Z = 0.025 metallicity isochrones for the ages of 1.5, 1.6, and 1.7 Gyr. The inferred reddening and apparent distance modulus are E(B − V) = 0.23 ± 0.05 and (m − M)V = 12.80 ± 0.15.
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