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Table 2.
GRAVITY astrometry of HD 206893B and HD 206893c.
| Epoch | ΔRA | σΔRA | ΔDec | σΔDec | ρ |
|---|---|---|---|---|---|
| [MJD] | [mas] | [mas] | [mas] | [mas] | |
| HD 206893B | |||||
| 58681.40⋆ | 130.73 | 0.06 | 198.12 | 0.06 | −0.77 |
| 58708.16⋆ | 127.06 | 0.08 | 199.24 | 0.15 | −0.93 |
| 59453.09 | 20.08 | 0.08 | 205.80 | 0.06 | −0.87 |
| HD 206893c | |||||
| 59454.12 | −76.56 | 0.14 | −82.74 | 0.09 | −0.88 |
| 59485.11 | −72.06 | 0.06 | −85.36 | 0.11 | −0.83 |
| 59504.06 | −69.27 | 0.06 | −86.79 | 0.07 | −0.70 |
Notes. The astrometry marked with a star are data published in Kammerer et al. (2021) but reduced with the latest version of the GRAVITY pipeline. The co-variance matrix has 
and 
on the diagonal and ρ × σΔRA × σΔDec on the off-diagonal, where ρ is the correlation coefficient.
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