\begin{table}%T2
  \caption{\label{tab2}Correlation coefficients of enhanced emission during EEs.}
  \small %\centering
\par
  \begin{tabular}{ccccc}
  \hline  \hline\noalign{\smallskip}
Correlated parameters&\multicolumn{2}{c}{O~{\sc{vi}}~EEs}&\multicolumn{2}{c}{C~{\sc{ii}}~EEs}\\
\hline
 & red & blue & red & blue  \\
%\hline
QS (O~{\sc{vi}}~wing $\sim$ \lyb~peak)&0.74&0.37&0.77&0.51\\
%\hline
QS (C~{\sc{ii}}~wing $\sim$ \lyb~peak)&0.60&0.60&0.76&0.63\\
%\hline
CH (O~{\sc{vi}}~wing $\sim$ \lyb~peak)&0.70&0.36&0.36&0.34\\
%\hline
CH (C~{\sc{ii}}~wing $\sim$ \lyb~peak)&0.83&0.72&0.72&0.76\\
\hline
\end{tabular}
%\vspace*{2mm}
\end{table}