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Table 1
Observing log of the WASP-74 b transit observations.
| Tel. | Instrument | Date of | Start | End | Filter | Texp | Nobs | Airmass | S∕N(a) |
|---|---|---|---|---|---|---|---|---|---|
| observation | UT | UT | [s] | Na I order | |||||
| TNG | HARPS-N | 2018-07-17 | 22:42 | 05:08 | – | 600 | 38 | 1.60 →1.15 →1.92 | 32-62 |
| TCS | MuSCAT2 | 2018-07-17 | 23:26 | 04:30 | g r i z | 8,8,8,8 | – | 1.38 →1.15 →1.55 | – |
| TNG | HARPS-N | 2018-08-01 | 21:11 | 04:19 | – | 600 | 42 | 1.88 →1.15 →2.04 | 55-88 |
| TCS | MuSCAT2 | 2018-08-16 | 22:42 | 02:30 | g r i z | 20,20,20,20 | – | 1.30 →1.15 →1.55 | – |
| TNG | HARPS-N | 2018-08-31 | 20:19 | 02:14 | – | 600 | 35 | 1.41 →1.15 →1.96 | 46-64 |
| TCS | MuSCAT2 | 2018-08-31 | 20:49 | 00:55 | g r i z | 10,8,10,15 | – | 1.32 →1.15 →1.40 | – |
| TCS | MuSCAT2 | 2019-06-24(b) | 00:21 | 03:24 | g r i | 12,8,18 | – | 1.55 →1.15 →1.16 | – |
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