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Fig. 4.
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Normalised histograms of the absolute magnitudes of the BGGs in the g (top) and r (middle) bands, and of the (g − r) colour (bottom) for FGs (red) and non-FGs (grey). Left: 87 FGs and 100 non-FGs. Right: 25 FGs and 30 non-FGs analysed morphologically.
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