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Table C.2

β Pictoris b GRAVITY relative astrometry.

MJD ΔRA ΔDec σΔRA σΔDec ρ
(mas) (mas) (mas) (mas)
58 383.375 68.475 126.340 0.046 0.059 −0.725
58 738.267* 135.403 232.840 0.854 0.094 −0.786
58 796.170* 145.514 248.589 0.108 0.045 −0.823
58 798.356* 145.649 249.210 0.030 0.099 −0.352
58 855.053* 155.476 264.292 0.128 0.292 −0.447
58 855.198* 155.276 264.505 0.053 0.132 −0.278
58 889.139* 160.954 273.418 0.055 0.146 −0.549

Notes.The coefficient ρ is the correlation between the error in RA and in Dec. The covariance matrix can be reconstructed using and on the diagonal, and ρσΔRAσΔDec off-diagonal.The * indicates new, unpublished data thus far.

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