Table 1.
Analyzed observations of PMN J0948+0022.
| Inst. | R | Obs. date | Exp. time | Seeing |
|---|---|---|---|---|
| [dd-mm-yyyy] | [s] | [″] | ||
| SDSS | 1500 | 28-02-2000 | 3600 | – |
| SDSS | 1500 | 27-03-2000 | 3600 | – |
| X-shooter | 6500 | 22-12-2017 | 235 × 42 | 0.36−0.56 |
| MUSE | 2500 | 24-11-2022 | 1347 | 0.68 |
| 25-11-2022 | 1347 | 0.86 | ||
| 23-01-2023 | 2559 | 0.93 | ||
| 28-01-2023 | 2539 | 1.37 | ||
| 09-02-2023 | – | 1.16 | ||
| 10-02-2023 | – | 1.19 | ||
| 14-02-2023 | 2514 | 1.04 | ||
| 08-03-2023 | 2551 | 0.54 | ||
Notes. The columns correspond to: instrument, resolution (as λ/Δλ), date, exposure time, and seeing conditions (for X-shooter, we present the minimum and the maximum values during the observations). Observation dates in italics refer to rejected observations. In particular: 28-02-2000 classified as nonoptimal by SDSS; 25-11-2022 was affected by clouds; and (09−10)-02-2023 was aborted (see Sect. 2.3).
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