\begin{table}%t2
\caption{\label{tab:2}The modeled and observed values of the rms function.}
\small%\centering
\par
\begin{tabular}{cccc}
\hline \hline 
& Modeled       &        rms       & Observed rms\\
& $\gamma_{\rm max}=10^5$& $\gamma_{\rm max}=10^6$& \\
\hline
NIR & 0.69& 0.7 &0.56\\
X-ray &0.69 & 0.68 & 0.98\\
\hline
\end{tabular}
\end{table}