Fragmentation level as a function of clump properties of sources located at a distance at 2−4 kpc. In each plot, data points are color-coded according to the clump size. Gray triangles show the exact fragment number exactNmm; colored dots show the rounding fragment number roundingNmm (see definitions in Sect. 5.3). Dashed contours show the distribution of exactNmm from a Gaussian kernel density estimation. Left: number of fragments as a function of clump mass. Middle left: specific fragment level (Nmm normalized by clump radius) as a function of the clump luminosity-to-mass ratio. Middle right: specific fragment level as a function of the clump density. Right: number of fragments as a function of predicted number of fragments based on a Jeans fragmentation scenario. Gray dashed lines mark the lines of Nmm = 0.15/0.05/0.01 × Mclump/MJeans, clumpTd.
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