\begin{table}%t1 \par \caption{\label{tab:spectro}Spectroscopic data.} \small%\centering \par \begin{tabular}{lccl} \hline\hline \noalign{\smallskip} Date & Spectral range & $R$ & Instrument \\ (y/m/d) & & & \\ \hline \noalign{\smallskip} 1989/03/07 & 4400--6700~\AA & $\sim$450 & CFHT + SILFID \\ 1993/06/23 & 4600--6800~\AA & 1300 & HST + FOS \\ 1994/12/24 & 3250--4800~\AA & 1300 & HST + FOS \\ 2000/04/21-26 & 3000--5700~\AA & 500--1000 & HST + STIS \\ 2005/03/18 & 3700--6700~\AA & $\sim$250 & VLT + VIMOS \\ 2005/05/22 & 1.95--2.45 $\mu$m & $\sim$4000 & VLT + SINFONI \\ 2005/05/22 & 1.45--1.85 $\mu$m & $\sim$3000 & VLT + SINFONI \\ 2005/06/07 & 1.10--1.40 $\mu$m & $\sim$2000 & VLT + SINFONI \\ \hline \end{tabular} \end{table}