Fig. 6
Water mass fraction as a function of the distance to the star for the TRAPPIST-1 system. Upper panel: our estimates for scenario 1 and those of Barr et al. (2018), where only mass and radius data were taken into account. Lower panel: corresponds to scenario 2, whose CMF is constrained in a narrow range between 0.2 and 0.3, while for Agol et al. (2021) we show the WMF for a CMF of 0.25.
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