Open Access
Table 1.
Parameters of the spectroscopic observations for PKS 0903−57.
| Telescope | Instrument | Range | Resolution | Slit | Pos. ang. | Start time | Exp. | Airm. | Seeing |
|---|---|---|---|---|---|---|---|---|---|
| (Å) | (″) | (degrees) | (UTC) | (s) | (″) | ||||
| SALT | RSS/PG0900 | 4500–7500 | 1000 | 2 | 0 | 2020-05-14T19:08:33 | 2080 | 1.34 | 1.80 |
| SALT | RSS/PG0900 | 4500–7500 | 1000 | 2 | 90 | 2020-05-22T18:25:33 | 2100 | 1.27 | 1.50 |
| VLT | FORS/600RI | 5200–8300 | 1000 | 0.7 | 18 | 2022-03-25T02:32:23 | 2680 | 1.24 | 0.70 |
| VLT | FORS/600RI | 5200–8300 | 1000 | 0.7 | 108 | 2022-03-26T00:30:54 | 2680 | 1.21 | 0.68 |
| VLT | FORS/600RI | 5250–8400 | 1000 | 0.5 | 108 | 2024-01-07T06:58:15 | 2680 | 1.20 | 0.56 |
| VLT | FORS/1028z | 7800–9000 | 2500 | 0.5 | 108 | 2024-01-07T07:52:07 | 2680 | 1.24 | 0.67 |
Notes. Position angle = Slit position angle (degrees) (north = 0 east = 90).
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