Table 2
Observing log.
| UT (mid) | Target | Filter | λc (µm) | ∆λ (µm) | mFilter (mag) | tDIT (s) | ttotal (min) | X | Seeing (″) | τ (ms) | ∆θ (◦) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022-07-09T08:24 | γ Gru | Br-γ | 2.172 | 0.020 | 3.45 | 0.3 | 48 | 1.05 | 0.88 | 2.8 | 97 |
| 2022-11-05T01:47 | HR 8799 | Br-α-cont | 3.964 | 0.104 | 5.23 | 4.0 | 53 | 1.49 | 0.71 | 5.0 | 117 |
| 2022-07-07T05:26 | ι Cap | Br-α | 4.051 | 0.025 | 2.18 | 3.0 | 15 | 1.1 | 0.63 | 4.34 | 11 |
| 2023-10-16T01:47 | HR 8799 | K-peak | 2.198 | 0.098 | 5.24 | 0.25 | 189 | 1.49 | 0.83 | 6 | 65 |
Notes. The columns λc and ∆λ denote the central wavelength and effective width of the photometric filters. Airmass X, seeing, and coherence time τ are the median values for a given dataset. The amount of sky rotation during the exposures is given by ∆θ. The Br-γ, Br-α-cont, and Br-α datasets were obtained during instrument commissioning runs, and the K-peak observations collected as part of an open time programme with ESO programme no. 112.25QA.001 (PI: Sutlieff). For a single data cube there are NDIT frames each of tDIT integration. Multiple cubes then make up the total integration time ttotal.
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