\begin{table}%T6
\caption{\label{t6}Means and standard deviations induced by the models in the initial subset of stars (in mas).}
 %\centering
\par
\begin{tabular}{llllllllll}
\hline\hline
$
\begin{array}{c}
h_{\alpha }=0.55 \\ 
h_{\sin \delta}=0.17
\end{array}
$ & $\Delta A$ & $\Delta D$ & $\epsilon _{x}$ & $\epsilon _{y}$ & $\epsilon
_{z}$ & $\mu (r_{\alpha })$ & $\mu (r_{\delta })$ & $\sigma (r_{\alpha })$ & 
$\sigma (r_{\delta })$ \\ \hline
GLAD ind. & $-39.1$ & $-48.5$ & $-19.4$ & $-13.9$ & 62.5 & 0.0 & $-2.0$ & 82.4 & 86.7
\\ 
GL ind. & $-$ & $-$ & $-19.4$ & $-15.9$ & 16.4 & 0.6 & 2.0 & 82.5 & 86.1 \\ 
KNP & $-$ & $-$ & $-$ & $-$ &$ -$ & $-1.31$ & $-2.4$ & 63.40 & 69.4 \\ \hline
\end{tabular}
\end{table}