\begin{table}%t2
\caption{\label{tab_astm1}Multi-epoch positions $\alpha, \delta$ (J2000.0) of common proper motion
companions of Hipparcos stars.}
%\centering
\par
\begin{tabular}{lrllrl}
\hline\hline\noalign{\smallskip}
\multicolumn{3}{c }{Object} & Epoch    & ID & Source    \\
\multicolumn{1}{c}{$^{\rm s}$} & \multicolumn{1}{c}{\arcmin} & \multicolumn{1}{c}{\arcsec} &  yr & &  \\
\hline
\\[-2.5mm]
\multicolumn{5}{l }{ULAS~J1300$+$12 (Hip~63510C):} \\
41.9362 & 21 & 14.717 & 2003.223 & 3805 & SDSS DR7 \\
41.7711 & 21 & 14.754 & 2007.340 & 1465618 & UKIDSS $K$ \\
41.7709 & 21 & 14.747 & 2007.340 & 1467186 & UKIDSS $H$ \\
41.7286 & 21 & 14.695 & 2008.290 & 2321728 & UKIDSS $Y$ \\
41.7299 & 21 & 14.733 & 2008.290 & 2321748 & UKIDSS $J$ \\
\hline
\\[-2.5mm]
\multicolumn{5}{l }{ULAS~J1504$+$05 ((Hip~73786B):}  \\
57.8614 & 38 & 03.278 & 2003.322 & 3910 & SDSS DR7 \\
57.6637 & 38 & 00.861 & 2008.151 & 1873794 & UKIDSS $H$ \\
57.6642 & 38 & 00.841 & 2008.151 & 1873842 & UKIDSS $K$ \\
57.6561 & 38 & 00.828 & 2008.293 & 2322073 & UKIDSS $Y$ \\
57.6561 & 38 & 00.849 & 2008.293 & 2322081 & UKIDSS $J$ \\
\hline
\end{tabular}
\tablefoot{The ID is the run or multiframe number for SDSS or UKIDSS respectively.} 
\end{table}