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Fig. B.1.


Distribution of UDGs and dwarf galaxies using the Holmberg radius. Top: Holmberg radius (RH)–stellar mass plane for dwarfs (grey) and UDGs (colours). The best fit line of the relation for the dwarf sample is also over-plotted. The upper left corner of the plot shows the typical uncertainty in our measurements (see TCK20). Middle: histogram showing the distribution of RH/RH, fit where “fit” refers to the best-fit line of each relation for the dwarf sample. Bottom: histogram showing the RH distribution of UDGs, dwarfs, and MW-like galaxies.

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