Open Access
Table 2
Observing log of the KELT-9b and KELT-20b transit observations. The table does not include spectra that were excluded from the analysis.
| Night | Date of observation | Start (UT) | End (a) (UT) | Texp(s) | Nobs | S/N (b) | |
|---|---|---|---|---|---|---|---|
| KELT-9 | |||||||
| 1 | 2017-07-31 | Public | 20:59 | 05:19 | 600 | 49 | 102.6-209.0 |
| λ | 2018-06-10 | GAPS | 23:08 | 05:17 | 600 | 36 | 128.5-188.6 |
| 3 | 2018-07-20 | Public | 21:20 | 05:09 | 600 | 45 | 122.5-174.1 |
| 4 | 2018-07-23 | GAPS | 21:34 | 03:38 | 300 | 68 | 60.9-119.1 |
| 5 | 2018-09-01 | GAPS | 22:17 | 03:27 | 300 | 57 | 98.9-143.6 |
| 6 | 2018-09-04 | GAPS | 20:36 | 02:19 | 300 | 64 | 57.2-146.7 |
| KELT-20 | |||||||
| 1 | 2017-08-16 | Public | 22:21 | 03:56 | 200 | 90 | 46.6-67.6 |
| λ | 2018-07-12 | Public | 21:27 | 05:15 | 200 | 107 | 61.1-111.8 |
| 3 | 2018-07-19 | Public | 21:25 | 04:23 | 300 | 78 | 63.8-119.5 |
| 4 | 2019-08-26 | GAPS | 22:05 | 03:09 | 600 | 30 | 122.5-170.9 |
| 5 | 2019-09-02 | GAPS | 20:52 | 01:45 | 600 | 29 | 120.3-199.9 |
| 6 | 2022-07-31 | GAPS | 22:34 | 03:36 | 600 | 26 | 63.3-159.9 |
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