Open Access
Table 2
List and main characteristics of the SPHERE observations used for this work.
| Target | Date | Obs. mode | Coronograph | DIMM seeing | τ0 | wind speed | Field rotation | DIT | Total exp. |
|---|---|---|---|---|---|---|---|---|---|
| HIP 1481 | 26 Oct. 2015 | IRDIFS | N_ALC_YJH_S | 1.08″ | 1.4 ms | 1.77 m s−1 | 25.1° | 64 s | 4096 s |
| HIP 1481 | 18 Sep. 2016 | IRDIFS | N_ALC_YJH_S | 0.80″ | 5.0 ms | 9.95 m s−1 | 25.1° | 64 s | 5120s |
| HIP 30314 | 16 Jan. 2016 | IRDIFS | N_ALC_YJH_S | 1.73″ | 1.5 ms | 10.93 m s−1 | 27.2° | 64 s | 4096 s |
| HIP 88399 | 10 May 2015 | IRDIFS | N_ALC_YJH_S | 1.86″ | 1.2 ms | 2.63 m s−1 | 34.5° | 64 s | 3584 s |
| HIP 88399 | 1 Jun. 2015 | IRDIFS | N_ALC_YJH_S | 1.25″ | 1.1 ms | 2.48 m s−1 | 34.1° | 64 s | 4096 s |
| HIP88399 | 17 Apr. 2016 | IRDIFS | N_ALC_YJH_S | 1.58″ | 1.5 ms | 14.73 m s−1 | 37.2° | 64 s | 3776 s |
| HIP88399 | 11 Apr. 2018 | IRDIFS | N_ALC_YJH_S | 0.52″ | 5.6 ms | 7.45 m s−1 | 32.0° | 96 s | 3840 s |
| HIP88399 | 7 Sep.2019 | IRDIFS | N_ALC_YJH_S | 1.14″ | 1.9 ms | 12.75 m s−1 | 40.7° | 96 s | 4896 s |
| HIP 96334 | 10 May 2019 | IRDIFS | N_ALC_YJH_S | 0.47″ | 4.6 ms | 8.73 m s−1 | 32.8° | 96 s | 6144s |
| HIP 116063 | 7 Sep.2019 | IRDIFS | N_ALC_YJH_S | 2.06″ | 1.5 ms | 18.23 m s−1 | 31.6° | 64 s | 4032 s |
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