Table 2.
Angular separations (ρ) and projected physical separations (d), position angles (PA, measured from North to East), magnitude contrasts in the K1 and K2 bands (ΔK1, 2), and spurious alignment probabilities (Pspur) for each detected IRDIS sources.
| Source | Ad | Ab | E | S1 | S2 |
|---|---|---|---|---|---|
| ρ (mas) | 729.1 ± 1.4 | 1002.9 ± 1.7 | 2590.4 ± 4.4 | 2429.4 ± 6.9 | 2475.8 ± 5.9 |
| d (103 au) | 1.7 ± 0.1 | 2.3 ± 0.1 | 5.9 ± 0.1 | 5.6 ± 0.1 | 5.7 ± 0.1 |
| PA (°) | 169.9 ± 0.1 | 335.6 ± 0.1 | 314.3 ± 0.1 | 343.1 ± 0.1 | 197.8 ± 0.1 |
| ΔK1 (mag) | 7.5 ± 0.1 | 4.4 ± 0.1 | 7.2 ± 0.1 | 12.0 ± 0.1 | 11.2 ± 0.1 |
| ΔK2 (mag) | 7.6 ± 0.1 | 4.4 ± 0.1 | 7.1 ± 0.1 | 12.2 ± 0.2 | 11.1 ± 0.1 |
| Pspur (%) | 0.2 | 0.1 | 1.5 | 39.0 | 26 |
| Source | S3 | S4 | S5 | S6 | S7 |
| ρ (mas) | 2470.8 ± 6.8 | 2661.4 ± 7.5 | 2955.7 ± 5.7 | 3298.6 ± 5.9 | 3553.9 ± 6.6 |
| d (103 au) | 5.8 ± 0.1 | 6.2 ± 0.1 | 6.8 ± 0.1 | 7.6 ± 0.1 | 8.2 ± 0.1 |
| PA (°) | 205.9 ± 0.4 | 221.8 ± 0.4 | 334.3 ± 0.1 | 191.8 ± 0.1 | 89.1 ± 0.1 |
| ΔK1 (mag) | 11.8 ± 0.1 | 12.2 ± 0.1 | 11.1 ± 0.1 | 10.9 ± 0.1 | 11.5 ± 0.1 |
| ΔK2 (mag) | 11.4 ± 0.1 | 11.8 ± 0.1 | 10.9 ± 0.1 | 10.9 ± 0.1 | 11.3 ± 0.1 |
| Pspur (%) | 33.0 | 44.0 | 33.0 | 36.0 | 52.0 |
| Source | S8 | S9 | S10 | S11 | S12 |
| ρ (mas) | 3836.2 ± 7.6 | 4114.0 ± 10.0 | 4722.8 ± 11 | 5401.2 ± 11.0 | 5537.3 ± 10.0 |
| d (103 au) | 8.8 ± 0.1 | 9.5 ± 0.1 | 10.9 ± 0.1 | 12.4 ± 0.1 | 12.7 ± 0.1 |
| PA (°) | 42.5 ± 0.1 | 266.5 ± 0.1 | 269.6 ± 0.1 | 87.3 ± 0.1 | 222.8 ± 0.1 |
| ΔK1 (mag) | 11.5 ± 0.1 | 12.5 ± 0.1 | 13.0 ± 0.2 | 11.9 ± 0.1 | 11.4 ± 0.1 |
| ΔK2 (mag) | 11.5 ± 0.1 | 11.9 ± 0.1 | 13.1 ± 0.3 | 12.1 ± 0.1 | 11.1 ± 0.1 |
| Pspur (%) | 60.0 | 78.0 | 92.0 | 90.0 | 81.0 |
| Source | S13 | S14 | S15 | S16 | |
| ρ (mas) | 5611.2 ± 10.1 | 5866.5 ± 10.3 | 6313.1 ± 11.0 | 6327.1 ± 11.0 | |
| d (103 au) | 12.9 ± 0.1 | 13.5 ± 0.1 | 14.5 ± 0.1 | 14.5 ± 0.1 | |
| PA (°) | 172.2 ± 0.1 | 103.9 ± 0.1 | 164.9 ± 0.1 | 155.1 ± 0.1 | |
| ΔK1 | 12.5 ± 0.1 | 12.5 ± 0.1 | 12.4 ± 0.1 | 12.2 ± 0.1 | |
| ΔK2 | 12.1 ± 0.2 | 12.3 ± 0.2 | 12.1 ± 0.1 | 12.1 ± 0.1 | |
| Pspur (%) | 94.0 | 96.0 | 96.0 | 95.0 | |
Notes. Parameters in italics are estimated using the PSF-fitting method described in Sect. 3.2.2. All others are from the Simplex-MC method.
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