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Fig. 2


Stellar XUV flux (log FXUV, in erg s-1 cm-2) received at the planet orbiting a binary system under activity saturation regime (color coded). Resonance 3:1 and 4:1 are considered. Upper panel: case of M1 = M2. Lower panel: M1 = 2 M2. The planet HD 189733 b, orbiting a single star, receives log FXUV = 4.2 erg s-1 cm-2 (Sanz-Forcada et al. 2011).

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