\begin{table}%Tb2
 \caption{\label{tab:zdist}Best fit parameters $z_{0}$, $A$ (fixed), and $B$ (fixed) 
 of Eq.~(\ref{eq:vw}) to the CFHTLS D1 to D4 redshift distributions.}
 \small%\centering
\par
 \begin{tabular}{cccccc}
  \hline\hline\noalign{\smallskip}
  Field & $z_{0}$ & $A$ & $B$ &  Median$(z_{{\rm ph}})$ & $\langle D_{{\rm ds}}/D_{{\rm s}}\rangle$ \\ 
  \hline
  D1 & $0.87$ & $(1.15)$ & $(1.5)$ & $0.91$ & $0.345$ \\
  D2 & $0.76$ & $(1.15)$ & $(1.5)$ & $0.79$ & $0.297$ \\
  D3 & $0.80$ & $(1.15)$ & $(1.5)$ & $0.83$ & $0.316$ \\
  D4 & $0.90$ & $(1.15)$ & $(1.5)$ & $0.95$ & $0.358$ \\ \hline  
  \end{tabular}
\end{table}