Open Access
Table 1
Astrometry and photometry of HD 142527 B with SPHERE/SAM.
| UT date | Filter | Separation | Position angle | Contrast | App. magnitude | Flux |
|---|---|---|---|---|---|---|
| (mas) | (deg) | (mag) | (mag) | (W m−2 µm−1) | ||
| 2015 Jul. 03 | IRDIS H2 | 64.1 ± 0.7 | 106.7 ± 0.6 | 4.23 ± 0.11 | 10.03 ± 0.12 | 1.28 ± 0.14 × 10−13 |
| IRDIS H3 | 4.13 ± 0.11 | 9.78 ± 0.11 | 1.35 ± 0.14 × 10−13 | |||
| 2017 May 17 | IRDIS K1 | 48.7 ± 0.8 | 75.6 ± 1.1 | 4.68 ± 0.07 | 9.75 ± 0.07 | 6.12 ± 0.40 × 10−14 |
| IRDIS K2 | 4.68 ± 0.08 | 9.57 ± 0.08 | 5.60 ± 0.40 × 10−14 | |||
| 2018 Apr. 14 | IRDIS K1 | 42.8 ± 1.8 | 51.7 ± 2.6 | 4.61 ± 0.18 | 9.68 ± 0.19 | 6.50 ± 1.11 × 10−14 |
| IRDIS K2 | 4.55 ± 0.18 | 9.44 ± 0.18 | 6.26 ± 1.07 × 10−14 | |||
| 2019 May 18 | IRDIS K1 | 38.0 ± 0.7 | 16.5 ± 1.8 | 4.63 ± 0.16 | 9.70 ± 0.16 | 6.39 ± 0.95 × 10−14 |
| IRDIS K2 | 4.61 ± 0.15 | 9.50 ± 0.15 | 5.96 ± 0.84 × 10−14 |
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