Comparison of the spatial distributions and NNS analysis results obtained for the observed ALMA cores (left column) with those obtained for two examples of randomly-distributed source populations (middle and right columns of panels). Top row: distributions of observed cores (panel a) and randomly-placed sources (panels c and e) overlaid on the ArTeMiS 350 μm continuum map (color scale). In each panel, the solid white contour marks the footprint of the main filament, defined as the intersection of the area within ±30′′ from the filament crest and the interior of the 5 Jy beam−1 contour in the ArTeMiS 350 μm map, within which randomly-placed sources were distributed. The dashed white contour marks the area within ±6′′ (or 0.05 pc) of the filament crest, defining the inner filament footprint also discussed in the text. Bottom row: NNS analysis results for the observed cores (panel b) and the randomly-placed sources (panels d and f). Colored circles mark core positions in panels a, c, e, with colors corresponding to the groups defined by the NNS dendrograms shown in panels b, d, f.
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