Table B.1.
X-shooter observations log.
| Name | Date of observation [UT] | Exp. time | Slit width [″] |
I.Q. | ||
|---|---|---|---|---|---|---|
| [Nexp × (s)] | UVB | VIS | NIR | [″] | ||
| CVSO 17 | 2020-12-05T02:39:59.716 | 2 × 900 | 1.0 | 0.4 | 0.4 | 1.06 |
| CVSO 36 | 2020-12-03T02:48:38.197 | 2 × 900 | 1.0 | 0.4 | 0.4 | 0.95 |
| CVSO 58 | 2020-12-02T06:06:48.094 | 2 × 460 | 1.0 | 0.4 | 0.4 | 0.91 |
| CVSO 90 | 2020-12-15T01:19:38.340 | 2 × 460 | 1.0 | 0.4 | 0.4 | 1.18 |
| CVSO 104 | 2020-11-27T03:06:13.092 | 2 × 370 | 1.0 | 0.4 | 0.4 | 1.15 |
| CVSO 107 | 2020-12-04T01:54:01.513 | 2 × 460 | 1.0 | 0.4 | 0.4 | 0.99 |
| CVSO 109 | 2020-11-28T03:36:03.569 | 2 × 470 | 1.0 | 0.4 | 0.4 | 0.89 |
| CVSO 146 | 2020-12-09T01:50:50.818 | 2 × 390 | 1.0 | 0.4 | 0.4 | 1.05 |
| CVSO 165 | 2020-12-14T01:50:09.831 | 2 × 390 | 1.0 | 0.4 | 0.4 | 1.16 |
| CVSO 176 | 2020-12-02T04:09:15.119 | 2 × 900 | 1.0 | 0.4 | 0.4 | 1.11 |
| SO 518 | 2020-12-02T03:21:40.090 | 2 × 300 | 0.5 | 0.4 | 0.4 | 1.21 |
| SO 583 | 2020-12-02T03:44:41.430 | 2 × 300 | 0.5 | 0.4 | 0.4 | 1.11 |
| SO 1153 | 2020-12-07T04:47:11.315 | 2 × 490 | 0.5 | 0.4 | 0.4 | 0.79 |
Notes. Typical resolutions are: in the UVB arm R ∼ 9700 and R ∼ 5400 for the 0.5″ and 1.0″ wide slit, respectively; in the VIS arm R ∼ 18 400 and R ∼ 8900 for the 0.4″ and 0.9″ wide slit, respectively; in the NIR arm R ∼ 11 600 and R ∼ 5600 for the 0.4″ and 0.9″ wide slit, respectively. Exposure times are reported in the UVB arm, similar to the NIR arms within ∼5−10 s, whereas the corresponding VIS exposures are ∼60−90 s shorter. I.Q. is the airmass corrected seeing.
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