\begin{table}%t2
%\centering
\par
\caption {\label{table:2}Kinematics-metallicity correlation of thick disk stars with $-1.0<\rm [Fe/H]<-0.5$ for three height intervals.}
\begin{tabular}{ccccc}
\hline\hline
\noalign{\smallskip}
   $\langle \left|z\right| \rangle$ & $N_{\rm tot}$ & $N_{\rm used}$ &  $\partial \langle V_\phi\rangle / \partial$[Fe/H] & $\rho_s$ \\
 (kpc) &  &  & (km s$^{-1}$ dex$^{-1}$) &  ($\times 10^{-2}$)\\
      &      &   $3\sigma$ {  } { } $2\sigma$ &  $3\sigma$ { } { } { }  $2\sigma$ &  $3\sigma$ { } { } { }  $2\sigma$\\
\hline
 1.23 & 3994 & 3672 { } 2915 & 50~$\pm$~5 { } 39~$\pm$~5 & 17~$\pm$~2 { } 15~$\pm$~2 \\   %  0.170048  3.16994e-25 /  0.148723  6.96385e-16
 1.73 & 2641 & 2348 { } 1715 & 54~$\pm$~6 { } 35~$\pm$~5 &  18~$\pm$~2 { } 16~$\pm$~2 \\ %  0.176791  6.12814e-18  / 0.155476  9.58491e-11
 2.37 & 2194 & 1768 { } 1131 & 35~$\pm$~8 { } 33~$\pm$~5 &  10~$\pm$~2 { } 14~$\pm$~3\\  %   0.100513  2.29514e-05 /  0.138049  3.16486e-06
\hline
\end{tabular}
\end{table}