Table 2
Log of SPHERE observations indicating.
| Date UT | Prog. ID | Filter | Fov rotation | DIT | Nexp | Texp | Seeing | τ0 | TN |
|---|---|---|---|---|---|---|---|---|---|
| (°) | (s) | (s) | (″) | (ms) | (°) | ||||
| 2016-05-25 | 097.C-0523 | IRDIS - BB_H | 46.6 | 64 | 64 | 4096 | 0.92 ± 0.10 | 2.4 | −1.65 |
| 2016-05-25 | 097.C-0523 | IFS - YJ | 46.8 | 64 | 64 | 4096 | − | − | − |
| 2016-05-31 | 097.C-0865 | IRDIS - H2H3 | 46.0 | 16 | 264 | 4224 | 0.62 ± 0.09 | 3.6 | −1.72 |
| 2016-05-31 | 097.C-0865 | IFS - YJ | 49.5 | 64 | 72 | 4608 | − | − | − |
| 2017-04-30 | 198.C-0209 | IRDIS - H2H3 | 60.3 | 64 | 80 | 5120 | 0.52 ± 0.07 | 5.0 | −1.78 |
| 2017-04-30 | 198.C-0209 | IFS - YJ | 60.8 | 64 | 80 | 5120 | − | − | − |
Notes. Left to right columns: the date of observations in UT, the ID of the ESO program, the filters combination, the amount of field rotation in degrees, the individual exposure time (DIT) in seconds, the total number of exposures, the total exposure time in seconds, the DIMM seeing measured in arcseconds, the correlation time τ0 in milliseconds, and the true north (TN) offset in degrees.
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