\begin{table}%t3
\caption{\label{hd215497_tab}Orbital parameters for the two planets orbiting the star HD~215497.}
%\centering
\par
\begin{tabular}{l c c }
\hline\hline\noalign{\smallskip}
 Parameter &  HD~215497b  &  HD~215497c \\
\hline
$P$  [days] & $3.93404 \pm  0.00066$ & $567.94\pm 2.70$ \\
%$P$ [days] & 3.93367 $\pm$  0.00048 & 566.74$\pm$ 2.15 \\
%$T$ & [JD-2400000]  &  54670.74079 $\pm$ 0.12049 & 54998.36051 $\pm$ 4.37175\\
$T$ [JD-2~400~000]  &  $54~858.95 \pm 0.37$ & $55~003.48 \pm 5.15$\\
%$e$ & & 0.43439 $\pm$  0.10052  & 0.48341 $\pm$ 0.03253 \\
$e$ & $0.16 \pm  0.09$  & $0.49 \pm 0.04$ \\
%$\omega$ & [deg] & 155.84568 $\pm$ 12.82626 & 41.00692  $\pm$ 3.17136\\
$\omega$ [deg] & $96 \pm 34$ & $45  \pm 4$\\
%$K$ & [m s$^{-1}$] & 2.709 $\pm$ 0.468 & 10.178 $\pm$ 0.586 \\
$K$ [m s$^{-1}$] & $2.98 \pm 0.34$ & $10.10 \pm 0.65$ \\
$V$ [km s$^{-1}$]  & \multicolumn{2}{c}{49.3107 $\pm$ 0.0006} \\
%$a_1 \sin{i}$ & [10$^{-5}$ AU] & &  0.0488 \\
%$f(m)$ & [10$^{-11} M_{\odot}$] & & 4.913 \\
%$m \sin{i}$ [$M_{{\rm Jup}}$] &   0.01730& 0.33114\\ 
%$m \sin{i}$ [$M_{{\rm Earth}}$] &   5.50 & 105.24 \\ 
$m \sin{i}$ [$M_{{\rm Jup}}$] &   0.02& 0.33\\ 
$m \sin{i}$ [$M_{{\rm Earth}}$] &   6.6 & 104.3 \\ 
%$a$ & [AU] & 0.0488 & 1.3404\\
$a$ [AU] & 0.047 & 1.282\\
%\end{tabular}
%\begin{tabular}{l l l l}
\hline
$N_{{\rm meas}}$ &   \multicolumn{2}{c}{105}  \\
Span [days] &  \multicolumn{2}{c}{1855} \\
$\langle \delta$~RV$\rangle$  [m~s$^{-1}$] &  \multicolumn{2}{c}{1.40} \\
$\sigma$ (O--C) [m~s$^{-1}$]  &  \multicolumn{2}{c}{1.75} \\
$\chi^2_{\rm red}$ &  \multicolumn{2}{c}{2.83}\\[1mm]
\hline
\end{tabular}
\end{table}