Fig. 17

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Top: planet radius as a function of stellar light intensity. A separation within the group of the smaller planets appears at a radius that increases with incoming light intensity (dashed grey line). The green dashed line corresponds to the radius gap at Rp= 1.8R⊕, as defined by Fulton et al. (2017), and the black dashed line to Rp = 0.95 (L/L⊕)1/8. Bottom: (Rp/R⊕)/(L/L⊕)1/8 as a function of stellar light intensity; the separation is now horizontal.
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