Fig. 10
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J − H vs G − Ks colour-–colour diagram (left) and G vs G − Ks colour-magnitude diagram (right) for the sample with S/N ⩾ 50. Stellar density is colour-coded on a logarithmic scale. Density contours derived from kernel density estimates are white for the entire sample. Dashed red lines and shaded grey areas delineate the selection criteria for OBA stars as outlined by Zari et al. (2021).
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