\begin{table}%t2
%\centering
\par
\caption{\label{tabhisto}Parameters of the Gaussian fits of the distributions of the spectral parameters of short and long GRBs.}
\small \begin{tabular}{ccccccccc}
\hline\hline
&     &$\alpha$&  &   &     &$E_{\rm peak}$&  &  \\
&Short & Long     & Long~1~s&Long 2~s&Short&Long      &Long 1~s&Long 2~s\\
\hline   
$\mu$    & --0.40 & --0.92 & --0.65 & --0.63 & 2.60  & 2.33  & 2.49  & 2.48  \\
$\sigma$ & 0.50  & 0.42  & 0.50  & 0.45  & 0.42  & 0.33  & 0.35  & 0.36  \\
\hline
\end{tabular}
\par
\end{table}