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Fig. 2

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Histograms of YSOs properties. The YSOs in the sample are cooler than 4000 K; 70% are cooler than 3500 K. The vast majority have a luminosity lower than 0.5 L, while more than 70% have a mass lower than 0.5 M. Two YSOs (Lup 713 and Lup 818s) have a mass just at the hydrogen-burning limit, while another two (Lup 706 and SST c2d160901.4-392512) are definitely substellar.

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