Open Access
Table 2
Observation log of the two nights.
| Night | 1 | 2 |
|---|---|---|
| Date | 2022-03-11 | 2023-02-20 |
| Phase coverage | 0.52-0.66 | 0.28-0.49 |
| Exposure time per frame | 300s | 300s |
| Nspectra | 34 | 48 |
| Spectral resolution (R) | ∼120000 | ∼97000 |
| Mean S/N per exposure | 48 | 34 |
| Airmass | 1.43−1.04 | 1.03−1.75 |
| Median FWHM of the PSF (in spatial direction) | 0.16″ | 0.33″ |
Notes. The variation of observational conditions over time is shown in Fig. A.1.
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