\begin{table}%t6
\caption{\label{tab_constrains}Constraints for the new lens model of MS0451.}
\small%\centerline
{
\begin{tabular}{ccclc}
\hline\hline
\noalign{\smallskip}
Source name & ID & RA ($+4^{\rm h}$ $54^{\rm m}$) & Dec ($- 3^{\circ}$) & Band \\
            &    & J2000 (s)            & J2000 ($\arcmin$,$\arcsec$) &  \\
\noalign{\smallskip}
\hline 
\noalign{\smallskip}
      & 1.1$^\ast$ & 12.956 &  0:53.379  & {\it F814W} \\
ARC1  & 1.2$^\ast$ & 12.931 &  0:58.029  &               \\
      & 1.3$^\ast$ & 11.124 &  1:26.641  &  \\
\noalign{\smallskip}
\hline 		
\noalign{\smallskip}	   
      & 2.1        & 12.958 &  0:54.869  & {\it F814W} \\
ARC1  & 2.2        & 12.938 &  0:57.446  &               \\
      & 2.3        & 11.124 &  1:26.641  &               \\
\noalign{\smallskip}
\hline 	    
\noalign{\smallskip}   
      & 3.1        & 12.958 &  0:55.147 & {\it F814W} \\
ARC1  & 3.2        & 12.945 &  0:56.710 &               \\
      & 3.3        & 11.124 &  1:26.641 &               \\
\noalign{\smallskip}
\hline 	
\noalign{\smallskip}		      
B1    & 4.1$^\ast$ & 12.806 &  0:44.344  & $K'$ band \\
B2    & 4.2$^\ast$ & 12.684 &  1:01.488  &             \\
B3    & 4.3$^\ast$ & 10.927 &  1:24.795  &             \\
\noalign{\smallskip}
\hline 	
\noalign{\smallskip}		      
C1    & 5.1        & 12.822 & $0:47.834$ & $K'$ band \\
C2    & 5.2        & 12.747 & $0:59.481$ &             \\
C3    & 5.3        & 10.897 & $1:25.627$ &             \\
\noalign{\smallskip}
\hline 	           	      
\noalign{\smallskip}
RC1   & 6.1        & 12.890 & $0:53.907$ & 1.4~GHz \\
RC2   & 6.2        & 12.868 & $0:59.696$ &              \\
\hline 
\end{tabular}}
\smallskip
Sources used as constraints in the lens model presented by
\cite{BO04.1} are indicated with an asterisk in their ID number.
\end{table}