Table 5: Orbital parameters for the companion to $\beta $ Gem. The rms scatter in parenthesis is without the DAO measurements.
Parameter Value
Period [days] 589.64 $\pm$ 0.81
$T_{\rm periastron}$ [JD] 2 447 739.02 $\pm$ 4.5
K [m s-1] 41.0 $\pm$ 1.6
e 0.02 $\pm$ 0.03
$\omega$ [deg] 354.58 $\pm$ 95.65
f(m) [solar masses] ( $4.21 \pm 0.48) \times 10^{-9}$
m sin i [ $M_{\rm Jupiter}$] 2.30 $\pm$ 0.45
a [AU] 1.64 $\pm$ 0.27
rms [m s-1] 20.6 (17.1)


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