Atmospheric mass-loss rate Ṁ as a functionof Λ for all computed planets. The colour code indicates the planetary Roche radius in units of Rpl. The position of the test planets listed in Table 4 is shown by black squares (Pa1 and Pa2), black circles (Pb1 and Pb2), purple squares (Pc1 and Pc2), and purple circles (Pd1 and Pd2). The lines indicate the predictions obtained by using the energy-limited formula for the Pb test planets varying planetary mass only and assuming the value of Reff equal to the planetary radius (dash-dotted line) or equal to the value derived from the grid (dashed line). The black crosses and plus signs indicate the escape rates estimated for some of the known transiting exoplanets using the interpolation routine and direct hydrodynamic calculations, respectively.
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