Open Access

Table 1

Log of the transit observations of KELT-20b/MASCARA-2b used in this work.

Night # Night date Program PI Texp (s) # of spectra (Out/In) 〈S/N〉@ 550 nm Airmass (min/max)
1 2017-08-16 CAT17A-38 Rebolo 200 90 (33/57) 61 1/2.13
2 2018-07-12 CAT18A-34 Casasayas-Barris 200 105 (53/52) 96 1/1.58
3 2018-07-19 CAT18A-34 Casasayas-Barris 300 78 (39/39) 105 1/1.42
4 2019-08-26 GAPS Micela 600 30 (10/20) 164 1/2.09
5 2019-09-02 GAPS Micela 600 29 (8/21) 176 1/1.55
6 2022-07-31 GAPS Micela 600 25 (10/15) 125 1/1.44

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