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Table 2.
Visual astrometry data (projected on the plane orthogonal to the line of sight).
| Epoch | ρ | θ | Contrast | Instrument |
|---|---|---|---|---|
| (decimal year) | (mas) | (deg. EoN) | (mag) | |
| 1997.614 | 295 ± 5 | 137.8 ± 2.3 | 4.36 ± 0.15 (F222M) | HST/NICMOS |
| 2000.134 (2) | 475.1 ± 7.1 | 81.4 ± 2.8 | 4.41 ± 0.30 (K) | CFHT/KIR |
| 2001.337 (2) | 526.3 ± 8.2 | 66.9 ± 2.6 | 4.79 ± 0.45 (BrG) | CFHT/KIR |
| 2001.515 (2) | 522.0 ± 6.2 | 65.3 ± 2.5 | 4.54 ± 0.20 (BrG) | CFHT/KIR |
| 2001.592 (2) | 527.6 ± 5.0 | 64.1 ± 2.6 | 4.63 ± 0.16 (BrG) | CFHT/KIR |
| 2002.170 (2) | 533 ± 12 | 56.2 ± 1.2 | 3.55 ± 0.63 (K) | Keck/NIRC2 |
| 2005.328 (1) | 280 ± 50 | 357.0 ± 1.0 | 3.26 (Ks) | VLT/NaCo |
| 2006.389 (1) | 240 ± 10 | 307.4 ± 4.5 | 3.71 (Ks) | VLT/NaCo |
| 2006.389 (2) | 236.2 ± 3.9 | 304.62 ± 0.96 | 4.54 ± 0.12 (J) | VLT/NaCo |
| 2006.389 (2) | 233.6 ± 5.7 | 304.3 ± 1.5 | 4.527 ± 0.086 (H) | VLT/NaCo |
| 2007.142 (2) | 270.6 ± 8.2 | 269.3 ± 1.1 | 4.064 ± 0.076 (H) | VLT/NaCo |
| 2009.323 (2) | 309.38 ± 0.67 | 203.182 ± 0.069 | 4.724 ± 0.035 (H) | Keck/NIRC2 |
| 2009.323 (2) | 307.5 ± 1.1 | 202.950 ± 0.049 | 4.746 ± 0.093 (J) | Keck/NIRC2 |
| 2009.323 (2) | 308.2 ± 1.8 | 203.22 ± 0.10 | 5.46 ± 0.17 (Lp) | Keck/NIRC2 |
| 2013.301 (2) | 448.30 ± 0.66 | 86.777 ± 0.041 | 4.359 ± 0.013 (Ks) | Keck/NIRC2 |
| 2015.471 (2) | 524.49 ± 0.27 | 60.087 ± 0.016 | 4.301 ± 0.012 (K) | Keck/NIRC2 |
References. (1) Ward-Duong et al. (2015); (2) Mann et al. (2019).
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