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Fig. C.1
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Multiparametric analysis of the open cluster ESFERA 2. Symbols as in Fig 5. In Fig (d) the MS is fitted to a distance of 1907 pc and AV = 3.5 mag; (f) Red contours trace the HII emission of G321.9–0.3 SNR (Ball et al. 2025); contour levels are 2 (~3σrms), 5, 10, 15, 20, 25, 30, 35 and 40 mJy beam−1.
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