\begin{table}%t1 \caption {\label{parsum}Stellar characteristics of \object{HD 131664} and \object{HD 43848} and spectroscopic orbital elements for the two Doppler-detected companions.} %\centering \par \begin{tabular}{c c c c c c c c c c c c c} \hline\hline \noalign{\smallskip} Star name & Sp.T. & $V$ & $\pi_\star$ & $d$& $M_\star$ & $P$ & $T_0$ & $e$ & $\omega$ & $K$ & $M_{\rm c}\sin i$ & $a_1$\\ & & (mag) & (mas) & (pc) & ($M_\odot$) & (d) & (JD-2~400~000) & & (deg) & (m s$^{-1}$) & $(M_{\rm J})$ & (AU) \\ \hline HD 131664 & G3V & 8.13 & 18.04 & 55.43 & 1.10 & 1951 & 52060 & 0.638 & 149.7 & 359.5 & 18.15 & 3.17 \\ % inserting body of the table & & & & & $\pm$$0.03$ & $\pm$$41$ & $\pm$$41$ & $\pm$$0.02$ & $\pm$$1.0$ & $\pm$$22.3$ & $\pm$$0.35$ & \\ HD 43848 & G2V & 8.65 & 26.99 & 37.05 & 0.89 & 2371 & 53227 & 0.690 & 229.0 & 544 & 25.0 & 3.40 \\ & & & & & & $\pm$840 & $\pm$65 & $\pm$0.12 & $\pm$9.0 & $\pm$200 & & \\ \hline \end{tabular} \tablefoot{Reported errors are from the discovery papers.} \end{table}