\begin{table}%t1
 \caption{\label{Tab1}The effect of electron screening on $^{56}$Co$ ({\rm e}^- ,\nu_{\rm e} )^{56}$Fe. ($T= 5\times10^9$~K, $Y_{\rm e} =0.45)$, $C_1$ denotes the screening factor in the fiducial GT resonance distribution, $C_2$ denotes the screening factor with the improved GT resonance distribution.}
 \small%\centering
\par
\begin{tabular}{l l  c r r}
\hline\hline \noalign{\smallskip}
$\log_{10}~(\rho
Y_{\rm e})$&$\lambda_1$~(s$^{-1})$&$\lambda_2$~(s$^{-1})$&$C_{1}$&$C_{2}$\\
\hline
  7.00 &2.69E-2 &   1.11E-2 &   0.9516  &   0.9521 \\
   7.50    & 1.06E-1 &3.69E-2 &   0.9374  &   0.9453\\
    8.00    &   5.49E-1 & 1.31E-1 &0.9214  &   0.9396 \\
    8.50    &   3.64E+0 &   5.28E-1 & 0.9102  &0.9303 \\
    9.00    &   2.74E+1 &   3.28E+0 &   0.9062  & 0.8965 \\
    9.50 &2.09E+2 &   4.11E+1 &   0.9061  &   0.8812 \\
    10.00   & 1.55E+3 &4.91E+2 &   0.9072  &   0.8905 \\
    10.50   &   1.11E+4 & 4.71E+3 &0.9083  &   0.8981 \\
    11.00   &   7.77E+4 &   3.94E+4 &   0. 9095 & 0.9032
\\ \hline
\end{tabular}
\end{table}