\begin{table} %t1
\caption{Radial velocity (RV) and line bisector spans ($V_{\rm span}$)
measurements for WASP-26 obtained by CORALIE spectra.} 
\label{rv-data} 
%\centering
\small
\begin{tabular}{lcl} 
\hline\hline\noalign{\smallskip}
BJD--2~450~000 & RV (km~s$^{-1}$) & $V_{\rm span}$ (km~s$^{-1}$) \\ \hline
5001.927439 & 8.59117 $\pm$ 0.00915 &         $-$0.00461 \\
5008.900119 & 8.35510 $\pm$ 0.00959 &         $-$0.02346 \\
5011.938063 & 8.45626 $\pm$ 0.01134 & \phantom{+}0.00736 \\
5012.833505 & 8.58264 $\pm$ 0.01092 &         $-$0.00088 \\
5013.918513 & 8.32991 $\pm$ 0.00997 &         $-$0.00727 \\
5036.934802 & 8.50676 $\pm$ 0.01022 & \phantom{+}0.01928 \\
5037.917112 & 8.53360 $\pm$ 0.00951 & \phantom{+}0.01532 \\
5038.919423 & 8.32703 $\pm$ 0.00871 & \phantom{+}0.02124 \\
5040.915661 & 8.47129 $\pm$ 0.01929 & \phantom{+}0.01476 \\
5042.899210 & 8.57224 $\pm$ 0.00800 &         $-$0.01009 \\
5068.668524 & 8.41145 $\pm$ 0.01011 &         $-$0.02195 \\
5070.807797 & 8.57495 $\pm$ 0.00967 &         $-$0.00721 \\
5072.729127 & 8.49720 $\pm$ 0.00979 & \phantom{+}0.01774 \\
5076.856687 & 8.43943 $\pm$ 0.01866 & \phantom{+}0.03740 \\
5094.818292 & 8.49411 $\pm$ 0.00929 &         $-$0.04264 \\
5096.728728 & 8.31789 $\pm$ 0.00855 & \phantom{+}0.00901 \\
\hline
\end{tabular} 
\end{table}