Fig. 7

Mass-radius distributions of Gaussian cores extracted from Gaussclumps. The masses are listed in Table A.2, and the effective radius is derived with . The red line delineates the threshold introduced by Kauffmann & Pillai (2010) separating the regimes under which high-mass stars can form (above) or not (below line). The green points belong to the derived core masses from 870 μm.
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