**Table 5:** HARPS orbital solutions for HD 100777, HD 190647, and HD 221287.
$\begin{displaymath}{ \begin{tabular}{lcr@{~$\pm$~}lr@{~$\pm$~}lr@{~$\pm$~}l} \hl... ...n{2}{c}{0.11} & \multicolumn{2}{c}{0}\\ \hline \end{tabular}} \end{displaymath}$ $^\dagger$ JD = BJD - 2 453 000. $^\natural$ $\sigma_{\rm O-C}$ is the weighted rms of the residuals (weighted by $1/\epsilon^{\rm 2}$ , where $\epsilon$ is the O-C uncertainty). $^\star$ $\chi^{\rm 2}_{\rm red}$ = $\chi^{\rm 2}/\nu$ where $\nu$ is the number of degrees of freedom (here $\nu$ = N-6). $^\ddagger$ Post-fit $\chi^{\rm 2}$ probability computed with $\nu$ = N-6.

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