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Table 1.

Observation log.

Object Date Observing time Airmass change Phase coverage Exposure time Nspectra
WASP-33b 2017-11-15 18:13–04:04 UT 1.74–1.00–1.95 0.29–0.63 300 s 88 (a)
KELT-20b 2020-05-21 23:05–03:07 UT 1.87–1.02 0.41–0.46 125 s 85
KELT-20b 2020-07-09 23:00–03:05 UT 1.07–1.01–1.17 0.51–0.56 125 s 85

Notes.

(a)

Total number of spectra is 105; 17 spectra with insufficient quality were removed.

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