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Table 4:

TWA22 B orbital parameters as determined from the fit of the astrometric data (see text for the definition of the parameters) with the reduced $\chi ^{2}$ of the fit.

Reduced $\chi ^{2}$
a (AU)1.77 $\pm $ 0.04
e $9.95 \times 10^{-2} \pm 0.32 \times 10^{-2}$
i (degrees)27.43 $\pm $ 4.40
$\Omega$ (degrees)134.95 $\pm $ 0.40
$\omega$ (degrees)100 $\pm $ 10
$T_{{\rm p}}$ (years)2006.039 $\pm $ 0.010
T (years)5.15 $\pm $ 0.09
M ( $M_{\rm Jup}$)220 $\pm $ 21

Source LaTeX | All tables | In the text

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