Results of the MCMC analysis of the NACO + IRDIFS astrometric data. From top to bottom: sma, eccentricity, inclination, longitude of the ascending node, argument of periastron, periastron time, period of β Pictoris b, and star mass. A distance of 19.44 pc is assumed. The orbital solutions are shown in the upper right. The vertical-dashed lines, from left to right, indicate the 16, 50, and 84% quantiles. The values on top of each histogram are the median.
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