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Fig. 5
Masses of the LABOCA clumps and SABOCA cores in G304.74 plotted as a function of their effective radii. The upper size limits are indicated by left pointing arrows. The blue dashed curve represents the mass-radius threshold for high-mass star formation proposed by KP10, that is M(R) = 870 M⊙ × (R/ pc)1.33.
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