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Table 1

WASP-121 ESPRESSO observations log.

Night Exp. time Mode Fiber B S/N(a) at 550 nm Time on target (h) Nspectra Seeingave (arcsec)
06 Jan. 2019 400 s 1-UT HR21 Sky ~45 6.3 52 0.83
30 Nov. 2018 300 s 4-UT MR42 Fabry-Perot ~180 2.7 29 0.79

Notes. (a) Per pixel extracted.

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