Table 1
HARPS observations’ log of KELT-11.
| Epoch # | Night # | Date | Spectra | Texp(s) | Airmass(a) | Seeing(a) | SN at 550 nm(a) |
|---|---|---|---|---|---|---|---|
| Epoch 1 | Night 1 | 2017-02-01 | 37 (3 in, 34 out)(b) | 300 | 1.05–1.45 | 0.53–0.72 | 98–114 |
| Night 2 | 2017-02-14 | 28 (28 out) | 400 | 1–1.3 | 0.5–0.9 | 100–127 | |
| Epoch 2 | Night 3 | 2017-02-15 | 69 (13 out, 51 in, 5 out) | 400 | 1–2.3 | 0.8–1.7 | 55–135 |
| Night 4 | 2017-02-16 | 28 (28 out) | 400 | 1.05–1.8 | 0.6–0.9 | 75–110 | |
| Night 5 | 2017-03-05 | 43 (43 out) | 300 | 1.05–2 | 0.45–0.9 | 75–110 | |
| Epoch 3 | Night 6 | 2017-03-06 | 93 (12 out, 68 in, 13 out) | 300 | 1.05–2.3 | 0.6–1.1 | 55–100 |
| Night 7 | 2017-03-07 | 46 (46 out) | 300 | 1.05–1.6 | 0.45–1.1 | 85–110 | |
Notes. Nights 1, 3, and 6 are transit nights. For each transit, their day-before and day-after observations are divided into epochs. (a) The value of the left corresponds to the minimum, and the one on the right corresponds to the maximum. (b) Night 1 has too few in-transit spectra and was thus not used in the final transmission spectrum.
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