Open Access
Table 1.
Log of X-shooter spectroscopic observations.
| Mid observing time | Time since GRB | Exposure times | Airmass | Seeing | Slit widths | Slit position angle |
|---|---|---|---|---|---|---|
| (UT) | (days) | (s) | (″) | (″) | (deg) | |
| 2022 Oct. 10.0504 | 0.498 | 4 × 600 | 1.8 | 0.85 | 1.0, 0.9, 0.9 | 146.7 |
| 2022 Oct. 20.0139 | 10.460 | 4 × 900 (VIS), 8 × 480 (NIR) | 1.7 | 0.80 | 1.0, 0.9, 0.9 | 0.0 |
Notes. The second column shows the time since the Fermi/GBM trigger (2022 Oct. 9, 13:16:59 UT). The three slit widths refer to the UVB, VIS, and NIR arms, respectively, and the slit position angle is measured counterclockwise from North.
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