Open Access
Table A.1.
51 Eri observations.
| UT date | Setting | Integration time | Integration time | Seeing | Transmission(a) | Angular separation(b) | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| on star | on companion | |||||||||
| [min] | [min] | [″] | [%] | [mas] | ||||||
| 2023-11-21 | H1567 | 4 | 100 | 0.6 | 4.0 | 295 | ||||
| 2024-12-01 | H1567 | 4 | 120 | 0.6 - 0.7 | 3.9 | 244 | ||||
| 2025-02-03 | H1567 | 12 | 120 | 0.5 - 0.9 | 3.9 | 234 | ||||
| 2025-09-11 | H1567 | 4 | 120 | 0.5 - 0.8 | 3.7 | 200 | ||||
Notes.
(a)
The transmission is measured on the star. The value provided corresponds to the 95th-percentile of the transmission computed over the whole spectral range covered with HiRISE.
(b)
The angular separation was computed from the orbital fitting (see Sect. 4).
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