\begin{table}%t2
%\centering
\par
\caption{\label{tab4}Important quantities derived from different composite stellar-population models and IMFs.}
%\begin{tiny}
\begin{tabular}{ccccc} 
\hline\hline         
 & Sal, BC & Sal, M & Cha, BC & Kro, M \\
\noalign{\smallskip} \hline \noalign{\smallskip}
$\langle M_{*} \rangle~ (10^{10}~M_{\odot})$ & $46 \pm 4$ & $39 \pm 3$ & $27 \pm 2$ & $25 \pm 2$ \\
$\alpha$ & $0.64 \pm 0.04$ & $0.62 \pm 0.05$ & $0.64 \pm 0.04$ & $0.62 \pm 0.05$ \\
$\beta$ & $-0.27 \pm 0.08$ & $-0.24 \pm 0.11$ & $-0.29 \pm 0.08$ & $-0.23 \pm 0.11$ \\
$\gamma$ & $0.34 \pm 0.15$ & $0.26 \pm 0.15$ & $0.35 \pm 0.15$ & $0.26 \pm 0.15$ \\
$\langle M_{*}L_{B}^{-1} \rangle ~(M_{\odot}~L_{\odot,B}^{-1}~)$ & $4.8 \pm 0.1$ & $4.3 \pm 0.2$ & $2.8 \pm 0.1$ & $2.8 \pm 0.1$ \\
$\langle M_{*,0}L_{B,0}^{-1} \rangle ~(M_{\odot}~L_{\odot,B}^{-1}~)$ & $6.9 \pm 0.2$ & $6.4 \pm 0.2$ & $4.0 \pm 0.1$ & $4.1 \pm 0.1$ \\
$\delta$ & $0.20\pm0.02$  & $0.23\pm0.04$ & $0.19\pm0.02$ & $0.22\pm0.04$ \\
%$\gamma$ & $0.17 \pm 0.14$ & $0.14 \pm 0.23$ & $0.17 \pm 0.13$ & $0.12 \pm 0.23$ \\
${\rm d} \log (M_{*}L_{B}^{-1})/{\rm d}z$ & $-0.71 \pm 0.01$ & $-0.82 \pm 0.01$ & $-0.68 \pm 0.01$ & $-0.82 \pm 0.01$ \\
$\langle M_{*}({\le} R_{{\rm Ein}}) \rangle~ (10^{10}~M_{\odot})$ & $16 \pm 1$ & $14 \pm 1$ & $9 \pm 1$ & $9 \pm 1$ \\
$\epsilon$ & $0.98 \pm 0.05$ & $0.98 \pm 0.08$ & $1.00 \pm 0.06$ & $0.98 \pm 0.08$ \\
$\langle f_{*} \rangle$ & $0.71 \pm 0.02$ & $0.63 \pm 0.03$ & $0.42 \pm 0.01$ & $0.41 \pm 0.02$ \\
 \hline
\end{tabular}
%\end{tiny}
\end{table}