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Table 1.

Summary of the transit observations of WASP-76b and WASP-121b.

Target Night Exp. time (s) Nobs Nobs, in-transit(a) Airmass change (b) S/N at 550 nm Mode
WASP-76b 2018-09-03 (N1) 600 35 16 (20) 1.99 – 1.13 – 1.37 ∼101 1-UT HR21
WASP-76b 2018-10-31 (N2) 300 70 30 (37) 1.42 – 1.13 – 2.64 ∼79 1-UT HR21
WASP-121b 2018-11-30 (N1) 300 29 17 (20) 1.11 – 1.03 – 1.07 ∼151 4-UT MR42
WASP-121b 2019-01-06 (N2) 400 52 17 (23) 1.20 – 1.03 – 1.61 ∼47 1-UT HR21

Notes.

(a)

Number of spectra obtained between second and third contact. In parentheses, we list the number for the duration of the first to forth contact.

(b)

Airmass change during the night (start – minimum – end).

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