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Fig. 5


He I ionizing irradiation (λ < 504 Å) versus the equivalent height of the absorbing He I particles in the upper atmosphere of WASP-127 b. The high-energy irradiation was estimated with two different methods (see main text), which define the limits of the horizontal uncertainty. The data points for other targets were measured by Nortmann et al. (2018) and Alonso-Floriano et al. (2019).

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