**Table 2:** Orbital parameters for the companion to 4 UMa.
Period [days]	269.3 $\pm$ 1.96
$T_{\rm periastron}$ [JD]	52 987.3936 $\pm$ 4.31
K[m s^-1]	215.55 $\pm$ 7.10
$\sigma$ (O-C)[m s^-1]	28.8
e	0.432 $\pm$ 0.024
$\omega$ [deg]	23.81 $\pm$ 4.42
f(m)[solar masses]	(2.045 $\pm$ 0.247) $\times$ 10^-7
a[AU]	0.87 $\pm$ 0.04

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