\begin{table}%t7
\caption {\label{Tab:115521}Orbital elements for the system HD~115~521. It is not certain, however,
that the short-period variations (A+a) are due to an orbital motion
(see text). The long period orbit is not well-constrained.}
%\centerline
 {\begin{tabular}{lll}
\hline\hline
         &   A+a        & Aa+b\\
\hline
$V_\gamma$ & $-26.93\pm2.1$ & 0 \\
$P$ (d) 	& $475.1\pm1.4$ & $29~000:$\\
$T_0$ & $2\ts449\ts411\pm29$ & $2\ts419\ts767\pm86~282$\\
$e$ & $0.148\pm0.062$ & $0.87\pm0.24$\\
$\omega$ ($^\circ$) & $-27.1\pm22.9$ & $191.8\pm3.5$\\
$K$ (\kms) & $1.25\pm0.07$ & $4.2\pm0.5$
\medskip\\
$f(M)$ ($M_\odot$) & $9.3\times 10^{-5}$ & 0.027 \\
$a_1 \sin i$ (AU) & 0.053 & 5.57\\
\hline
\end{tabular}}
\par
\smallskip
 {\hspace*{10mm} $\sigma({\rm O{-}C}) = 0.50$~\kms.} 
\end{table}