Fig. A.4

S/N of the CCF peak obtained in NA, 1 for HD 209458 b when cross-correlating the residual matrix after each SYSREM iteration with the H2O absorption model. The values correspond to the highest S/N at a Kp in the range of 130 to 160 km s−1 and vwind, ranging from−10 to +10 km s−1. The first iteration is omitted since it is mostly dominated by telluric residuals.
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