\begin{table}%t1
\caption{\label{tab1}Model parameters for the C100 detector.}
%\centering
\par
\begin{tabular}{l|ccccccccc}
\hline\hline
parameters      & \multicolumn{9}{c}{C100 detector pixels}\\
\hline
                & 1      & 2      & 3      & 4      & 5      & 6      & 7      & 8      & 9 \\
\hline
$\beta_{10}$ &  0.995 &  6.100 &  2.170 &  1.200 &  2.120 &  6.680 &  4.630 &  0.960 &  2.190\\
$\beta_{11}$ & $-$0.69  & $-$5.36  & $-$1.52  & $-$0.56  & $-$1.82  & $-$5.96  & $-$3.95  & $-$0.28  & $-$1.89\\
$\beta_{12}$ &  0.059 &  0.023 &  0.049 &  0.092 &  0.022 &  0.018 &  0.032 &  0.075 &  0.036\\
$\tau_{10}$  &  6.16  &  5.80  &  7.50  &  6.63  &  6.92  &  5.07  &  5.72  &  7.73  &  8.60\\
$\tau_{11}$  &  7.75  & 17.25  & 12.90  & 12.41  &  4.28  & 12.34  & 12.69  & 11.60  &  1.04\\
$\tau_{12}$  & $-$0.65  & $-$1.28  & $-$1.04  & $-$0.88  & $-$1.22  & $-$0.65  & $-$0.88  & $-$1.28  & $-$2.32\\ 
$\beta_{20}$ &  0.661 &  5.866 &  5.868 &  0.732 & $-$0.534 &  6.490 &  4.400 &  1.171 &  0.140\\
$\beta_{21}$ & $-$0.488 & $-$5.520 & $-$5.515 & $-$0.423 &  0.723 & $-$6.11  & $-$4.133 & $-$0.870 &  0.000\\
$\beta_{22}$ &  0.02840 & 0.00814 & 0.00434 & 0.03950 & $-$0.01030 & 0.00459 & 0.01140 & $-$0.01450 & 0.00000\\
$\tau_{20}$  &  0.376 & 0.301  & 0.388  & 0.330  & 14.890 & 0.766  & 0.664  & 0.333  & 0.605\\
$\tau_{21}$  &  0.324 & 0.257  & 0.305  & 0.368  & $-$14.240 & 0.647 & 0.139  & 0.381  & 0.577\\
$\tau_{22}$  &  0.38400 & 0.53700 & 0.60300 & 0.60500 & 0.01025 & 0.55100 & 0.65200 & 0.58400 & 0.43900\\
\hline
\end{tabular}
\end{table}