Table 3
Astrometry of HIP 81208 B and C as obtained from IFS and IRDIS data in the first (2019) and second (2022) epochs, along with the obtained contrast magnitudes in the Y, J, H, K1, and K2 photometric bands.
| First epoch | Second epoch | |||
|---|---|---|---|---|
| HIP 81208B | HIP 81208C | HIP 81208B | HIP 81208C | |
| Separation (mas) | 320.9 ± 1.0 | 1493.4 ± 1.2 | 328.7 ± 1.0 | 1490.0 ± 1.8 |
| Position angle (des) | 356.55 ± 1.72 | 116.26 ± 0.08 | 0.43 ± 0.13 | 115.96 ± 0.08 |
| ΔY (mag) | 8.13 ± 0.16 | – | 8.10 ± 0.16 | – |
| ΔJ (mag) | 7.60 ±0.12 | 7.57 ±0.12 | – | |
| ΔH (mag) | 7.19 ± 0.12 | – | 7.19 ± 0.13 | – |
| ΔK1 (mag) | 6.88 ± 0.05 | 5.83 ± 0.05 | 6.85 ±0.12 | 5.77 ±0.12 |
| ΔK2 (mag) | 6.64 ± 0.07 | 5.59 ± 0.07 | 6.59 ± 0.12 | 5.51 ± 0.12 |
| MJ (mag) | 8.44 ± 0.14 | – | 8.41 ± 0.17 | – |
| MH (mag) | 8.07 ± 0.15 | – | 8.07 ± 0.15 | – |
| MK1 (mag) | 7.76 ± 0.09 | 6.71 ± 0.09 | 7.73 ± 0.14 | 6.65 ± 0.14 |
| MK2 (mag) | 7.52 ± 0.10 | 6.47 ± 0.10 | 7.47 ± 0.14 | 6.38 ± 0.14 |
Notes. The conversion of contrasts to absolute magnitudes listed in the table for J, H, K1, and K2 bands have been mediated by photometric data for the primary listed in Table 1.
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