\begin{table}%t1
\caption{Linear spectropolarimetry data, of standard polarized stars, for selected VLT FORS1~grisms.}\label{tab:obs:grism}
%\centering
\small
\begin{tabular}{llccc}
\hline \hline
Grism& Object        & Date        & Program ID & Filters     \\
\hline
150I & Hiltner 652   & 19 Sep. 1999 & 63.P-0002  & GG435\\
300V & Hiltner 652   & 05 Apr. 2002 & 60.A-9203  & $\ldots$ \\
300I & BD 14 4922    & 23 Aug. 2002 & 60.A-9203  & OG590     \\
600B & HD 126593     & 22 Aug. 1999 & 63.P-0074  & $\ldots$  \\
600R & HD 126593     & 22 Aug. 1999 & 63.P-0074  & GG435  \\
600I & HD 126593     & 22 Aug. 1999 & 63.P-0074  & OG590   \\
\hline
\end{tabular}
\end{table}