Fig. 6.
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Histogram of best-fit power-law KS index, N, for individual galaxies in VERTICO (blue color, see Table A.1) using a fixed CO-to-H2 conversion factor. For a comparison, orange bars represent the sub-sample of HERACLES galaxies used in Leroy et al. (2013) and green bars show the best-fit slopes found for the sub-sample of PHANGS galaxies presented in Pessa et al. (2021). The distribution of best-fit N for individual galaxies in VERTICO spans the range N ∼ 0.7 − 1.5 and peaks near N = 0.9, while this value is slightly larger for the HERACLES and PHANGS distributions.
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