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Table 1.
HD 142527 observations.
| UT date | Instr. mode | Instr. | Filter | DIT×NDITa | Nexpa | Field rot. | Seeing | Strehl | True north |
|---|---|---|---|---|---|---|---|---|---|
| correction | |||||||||
| (s) | (°) | (″) | @1.6 μm | (°) | |||||
| 2015-05-13 | IRDIFS_EXT | IFS | YJH/ND1 | 4.0 × 56 | 8 | 40.10 | 0.3 | 0.8 | −1.86 ± 0.15 |
| IRDIS | K1–K2/ND1 | 0.84 × 88 | 16 | ||||||
| IFS | YJH/ND2 | 8.0 × 8 | 8 | ||||||
| IRDIS | K1–K2/ND2 | 8.0 × 8 | 8 | ||||||
| 2015-07-03 | SAM | IFS | YJ | 4 × 8 | 3 | 25.00 | 0.5 | 0.7 | −1.768 ± 0.055 |
| IRDIS | H2–H3 | 0.84 × 32 | 12 | ||||||
| 2016-03-26 | IRDIFS_EXT | IFS | YJH/ND1 | 4.0 × 56 | 16 | 73.84 | 0.7 | 0.7 | −1.756 ± 0.061 |
| IRDIS | K1–K2/ND1 | 0.84 × 88 | 32 | ||||||
| IFS | YJH/ND2 | 8.0 × 8 | 12 | ||||||
| IRDIS | K1–K2/ND2 | 2.0 × 19 | 12 | ||||||
| 2016-06-13 | IRDIFS_EXT | IFS | YJH/ND1 | 4.0 × 60 | 16 | 64.48 | 0.8 | 0.6 | −1.664 ± 0.048 |
| IRDIS | K1–K2/ND1 | 0.84 × 49 | 64 | ||||||
| 2017-05-16 | SAM | IFS | YJH | 4.0 × 16 | 24 | 73.00 | 0.6 | 0.7 | −1.800 ± 0.052 |
| IRDIS | K1–K2 | 0.84 × 32 | 4 | ||||||
| IRDIS | K1–K2 | 0.84 × 52 | 20 | ||||||
| 2018-04-14 | SAM | IFS | YJH | 2.0 × 18 | 16 | 52.00 | 0.6 | 0.9 | −1.75 ± 0.10 |
| IRDIS | K1–K2 | 0.84 × 36 | 16 |
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