Table 1
SPHERE observation log.
| Data UT | Prog. ID | Filter | PC | Field rotation (°) | DIT (s) | Texp (s) | Seeing (″) | τ0 (ms) | TN (°) |
|---|---|---|---|---|---|---|---|---|---|
| 2016-12-19 | 098.C-0686(A) | IRDIS-BB_H | 25.16 | 64 | 7168 | 0.72 | 8.8 | −1.75 | |
| 2016-12-19 | 098.C-0686(A) | IFS-YJ | 25.42 | 64 | 7168 | 0.72 | 8.7 | −1.75 | |
| 2016-12-16 | 098.C-0686(B) | IRDIS-DPI-BB_J | 10 | Stabilized | 64 | 5120 | 0.47 | 8.0 | −1.7 |
Notes. From left to right: the observation data, program ID, filter combination, the number of polarimetric cycle (PC), the total field rotation in degrees, the individual integration time of each frame (DIT) in seconds, the true time in seconds (Texp), the DIMM seeing in arcseconds, τ0 the correlation time in milleseconds and the true north correction angle in degrees (TN).
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