Histogram distribution of the clumpiness parameter (normalized to unit area) for starburst galaxies (red filled) and main sequence systems (blue edges). This shows that starbursts dominate in the high clumpiness tail. The results of the Kolmogorov–Smirnov test (KS statistics and p-value) between the two sample distributions are 0.26 and 0.0029, respectively. The median clumpiness for SBs and MS (0.05 and 0.022) are drawn with dashed and dotted lines, respectively, with their corresponding colors.
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