\begin{table}%t2
\par
\caption {\label{tab_astm}Multi-epoch positions $\alpha, \delta$ (J2000.0): 14$^{\rm h}$16$^{\rm m}$...$^{\rm s}$, $+$13$\degr$48\arcmin...\arcsec}   % title of Table
%\centerline
 {
\begin{tabular}{l l l l l l}          %  columns (6 columns)
\hline\hline  
\multicolumn{2}{c }{A} & \multicolumn{2}{c }{B} & Epoch    & Source    \\
\multicolumn{1}{c}{$^{\rm s}$} & \multicolumn{1}{c}{\arcsec} & \multicolumn{1}{c}{$^{\rm s}$} & \multicolumn{1}{c}{\arcsec} & yr &   \\
\hline
23.804   &19.88   &         &       &1954.338 &SSS $E$ \\
24.050   &25.48   &         &       &1994.338 &SSS $R$ \\
24.068   &25.85   &         &       &1997.521 &SSS $I$ \\
24.0847  &26.345  &         &       &2000.164 &2MASS \\
24.0886  &26.741  &23.886\tablefootmark{*}   &35.88\tablefootmark{*}  &2003.409 &SDSS 3971 \\
24.0859  &26.683  &23.916\tablefootmark{*}   &35.49\tablefootmark{*}  &2003.472 &SDSS 3996 \\
24.1305  &27.339  &23.9480  &36.268 &2008.189 &UKIDSS $H$ \\
24.1325  &27.355  &23.9466  &36.273 &2008.189 &UKIDSS $K$ \\
24.1260  &27.410  &23.9421  &36.319 &2008.362 &UKIDSS $Y$ \\
24.1254  &27.416  &23.9435  &36.334 &2008.362 &UKIDSS $J$ \\
\hline
\end{tabular}}
\par
\tablefoot {\tablefoottext{*}{Not detected in SDSS DR7 (see text).}
}
\end{table}