Table 3.
Log of GTC observations.
| Source | Date | λTF | Filtercont | Δλ |
 |
 |
SeeingTF | Seeingcont | |
|---|---|---|---|---|---|---|---|---|---|
| [Å] | [Å] | [s] | [s] | [″] | [″] | ||||
| J0802+25 | 17/Feb./2020 | 7102 | f680/43 | 6098–6498 | 3 × 900 | 3 × 200 | 1.40 ± 0.10 | 1.42 ± 0.15 | |
| J0841+01 | 16/Feb./2020 | 7296 | f694/44 | 6057–6454 | 3 × 900 | 3 × 200 | 0.94 ± 0.02 | 1.02 ± 0.02 | |
| J0853+38 | 16/Feb./2020 | 7408 | f754/50 | 6090–6489 | 3 × 900 | 3 × 200 | 1.20 ± 0.04 | 0.97 ± 0.03 | |
| J0907+46 | 16/Feb./2020 | 7665 | f738/46 | 6126–6521 | 3 × 900 | 3 × 200 | 0.99 ± 0.09 | 0.89 ± 0.08 | |
| J1000+12 | 16/Feb./2010 | 7543 | f709/45 | 5979–6370 | 3 × 900 | 3 × 200 | 1.07 ± 0.02 | 1.09 ± 0.03 | |
| J1316+44 | 17/Feb./2020 | 7168 | f680/43 | 6037–6433 | 3 × 900 | 3 × 200 | 1.15 ± 0.15 | 1.24 ± 0.16 | |
| J1356+10 | 23/Jun./2019 | 7379 | f694/44 | 5987–6379 | 3 × 900 | 3 × 200 | 0.90 ± 0.04 | 0.87 ± 0.03 | |
| Teacup | 16/Feb./2010 | 7128 | f666/36 | 5947–6345 | 7 × 900 | 3 × 120 | 1.16 ± 0.06 | 1.33 ± 0.05 | |
| J1437+30 | 16/Feb./2010 | 7175 | f680/43 | 6031–6427 | 3 × 900 | 3 × 200 | 0.95 ± 0.04 | 1.07 ± 0.05 |
Notes. λTF is the wavelength used to tune the TF, taking into account the shift to the blue of the central wavelength seen by the TF as the distance to the optical centre increases (see Sect. 3.1). The superscripts TF and cont refer to the narrow band (TF) and continuum images respectively. The seeing sizes correspond to the FWHM.
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