Open Access
Table 1
Observation details.
| Instrument | Date | Grism | Filter | Wavelengths (nm) | Exposure time (s) | Airmass | Average seeing (″) |
|---|---|---|---|---|---|---|---|
| FORS2 | 18-07-2017 | 600RI | GG435 | 510–850 | 228 × 15 | 1.795–1.061 | 1.8 |
| 14-08-2017 | 600B | – | 340–610 | 184 × 40 | 1.061–2.357 | 0.7 | |
| 18-08-2017 | 600z | OG590 | 740–1100 | 152 × 20 | 1.436–1.061 | 0.7 | |
| ECAM | 18-07-2017 | – | Johnson-B | 352–518 | 188 × [50−120] | 2.165–1.137 | 1.2 |
| 14-08-2017 | – | Johnson-B | 352–518 | 160 × 110 | 1.146–2.546 | 1.1 | |
| 18-08-2017 | – | Johnson-B | 352–518 | 165 × [70−100] | 1.871–1.130 | 0.9 |
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