Open Access

Table 3

ESPRESSO Observations log of LTT 9779.

Epoch # Date Spectra Texp [s] Airmass Seeing [arcsec] S/N at 550nm Exec. Time Readout mode
Epoch 1 2019-11-03 54 (15 in, 37 out) 148 1.026–1.306 0.49–1.00 32–41 2:51:50 HR 1x1
Epoch 2 2021-11-10 57 (16 in, 38 out) 140 1.026–1.259 0.57–1.13 43–49 2:51:36 HR 4x2
Epoch 3 2021-11-15 56 (16 in, 44 out) 140 1.026–1.194 0.41–0.99 37–47 2:51:36 HR 4x2

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