Table 1
Summary of the TESS and GIARPS data used in this work.
| TESS | |||||
|---|---|---|---|---|---|
| Sector | Date start (UTC) | Date end (UTC) | Ntransits | texp (s) | Simultaneous spectroscopy |
| 24 | 2020-04-16 06:55:19 | 2020-05-12 18:41:18 | 6 | 120 | No |
| 26 | 2020-06-09 18:15:17 | 2020-07-04 15:11:16 | 6 | 120 | Yes (N2) |
| 51 | 2022-04-23 10:34:51 | 2022-05-18 00:46:50 | 3 | 120 | No |
| 52 | 2022-05-19 03:04:50 | 2022-06-12 13:46:49 | 5 | 120 | No |
| 53 | 2022-06-13 11:44:48 | 2022-07-08 11:26:47 | 4 | 120 | No |
| GIARPS | |||||||
|---|---|---|---|---|---|---|---|
| Night | Nobs(a) | texp (s) | Nobs(a) | texp (s) | Airmass (b) | S /N (min–max)(c) | Seeing |
| HARPS-N | GIANO-B | ||||||
| N1: 2020-05-26 | 45(42) | 600 | 80 (71) | 300 | 1.69–1.04–1.34 | 42.6–67.1 | 1.0″ |
| N2: 2020-06-24 | 31 (23) | 600 | 50 (39) | 300 | 1.18–1.04–1.27 | 29.8–52.0 | 1–3″ very variable |
| N3: 2021-06-10 | 45 (40) | 600 | – | – | 1.47–1.04–1.56 | 22.2–47.0 | 0.9″ |
| N4:2023-07-10 | 42(37) | 600 | 68 (59) | 300 | 1.14–1.04–2.08 | 23.0–36.3 | 0.7″ |
Notes. (a)In parentheses, the number of analysed spectra that are considered in-transit (between the first and fourth contact). (b)The values are extracted from the FITS header of the HARPS-N spectra and indicate the airmass at the beginning, during its minimum, and at the end of the transit. (c)The S/N indicated is extracted from the FITS header of the HARPS-N spectra on the 53rd order, which contains the sodium feature. The values are more or less the same as those of the GIANO-B spectra extracted in the region of the He I triplet.
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