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Fig. 11

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Planetary masses and radii (main panel), and histogram of the masses (top panel) and radii (right panel) of the known transiting exoplanets (TepCat catalog, Southworth 2011) with equilibrium temperature Teq evaluated between 600 and 1000 K. The composition models of hydrogen-, ice-, silicate-, and Fe-metal-rich planets (solid colored lines) are computed from Seager et al. (2007), Zeng & Sasselov (2013), and Becker et al. (2014) (see details in Sect. 5.2). The dashed lines show the composition models with a relatively cold hydrogen envelope of mass fractions of 10, 20, 30, and 50%. The Solar System planets are shown as gray dots.

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