\begin{table}%t4
\caption{Parameters of the best orbital solution for N--S.}
\label{OrbNSTab}
%{1.1}
%\centering
$$
\begin{tabular}{lcr@{}l}
\hline \hline
Orbital element				&  & \multicolumn{2}{c}{Value} \\
\hline
&&& \\[-8pt]
Date of periastron $T_0$			&  & $2~452~981$ & $~^{+8700}_{-3900}$\\
	&  & (2003 Dec.  7)\span\\
Period $P$ (years)				&  & $  23~240$ & $~^{+11000}_{-12000}$\\
Semi-major axis $a$ (mas)			&  & $   9837$ & $~^{+18000}_{ -5200}$\\
Semi-major axis $a$ (AU)			&  & $   1443$ & $~^{+2640}_{ -762}$\\
Eccentricity $e$				&  & $   0.93$ & $~^{+0.05}_{-0.05}$\\
Argument of periastron $\omega$ ($^\circ$)	&  & $ 198$ & $~^{+ 7}_{ -5}$\\
PA of ascending node $\Omega$ ($^\circ$)	&  & $ 351$ & $~^{+14}_{-11}$\strut\\
Inclination $i$ ($^\circ$)			&  & $  43$ & $~^{+ 4}_{ -8}$\\
System mass $M_{\rm S}$ ($M_\odot$)			&  & $   5.57$ & $~^{+0.11}_{-0.29}$\\
reduced $\chi^2$				&  & $    3.3$\\
\hline
\end{tabular}
$$
\end{table}