Fig. 7

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Cumulative distributions of the N2H+ (1–0) integrated emission I(N2H+) at the positions of protostars (solid colored line) and disk stars (dashed colored line) within the central 1.5×1.5 pc2 (~700×700 arcsec2) in each of the regions that are part of the EMERGE Early Science sample. All panels are displayed within the same ranges of N2H+ intensity to facilitate their comparison. In each subpanel, the local number of protostars (P) and disk stars (D), as well as their ratio (P/D), is indicated in the legend (see also Table 1). In each of these regions, the average result of simulating the expected cumulative distributions of a P+D number of objects following (a) a random distribution (solid gray line), (b) a linear dependence (dotted gray line), and (c) a quadratic dependence (dashed gray line) are shown in the corresponding panels.
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