\begin{table}%t1
%\centering
\par
\caption{\label{tab:spec_obs}Log of SOPHIE observations of WASP-13.}
\small 
\begin{tabular}{ccrccc}
\hline \hline
BJD & Phase  & $SN26$ & $RV$  & $\sigma_{RV}$ & $V_{\tt span}$ \\
& && (km~s$^{-1}$)& (km~s$^{-1}$) & (km~s$^{-1}$)\\
\hline
2454508.48441 & 0.875 & 45.7 & 9.8660 & 0.0088 &0.020  \\
2454509.45978  &  0.099   &   56.1 &  9.8126  &0.0072  &  --0.005 \\
2454510.46914  &  0.331   & 51.7  &  9.8022  & 0.0078  & 0.017 \\
2454510.55389  &  0.350   &45.3  &  9.7634  &   0.0088  &   0.007 \\
2454511.32838  &  0.538   &   51.1  &  9.8365  &0.0080  &   0.016 \\
2454511.55075  &  0.579   &   50.1  &  9.8690  & 0.0082 &  0.009 \\
2454511.57290  &  0.584   &   47.3  &  9.8492  &   0.0086& 0.032 \\
2454511.64730  &  0.602   &   46.6  &  9.8667  &   0.0088& --0.003 \\
2454512.42051 & 0.779  &  60.9  &  9.9062  & 0.0068 & 0.028 \\
2454512.55184  &  0.809 &   51.2  &  9.8770  &0.0080  & 0.010 \\
2454512.65565  &  0.833 & 45.0&9.8829&0.0090&  --0.013 \\
\hline
\end{tabular}
\end{table}