\begin{table}%t1
%\centering
\par
\caption{\label{tab:tab1}The frequency bands used for the data analysis.}
\begin{tabular}{c c}\hline\hline
Interval name &Frequency range\\
 & (mHz)\\ \hline
1st $p$-band&2.5 $<\nu<$ 3.5 \\% \hline
2nd $p$-band&3.5 $<\nu<$ 4.5 \\ %\hline
3rd $p$-band&4.5 $<\nu<$ 5.5 \\ %\hline
1st HIPs band&5.8 $<\nu<$ 6.3 \\ %\hline
2nd HIPs band&6.3 $<\nu<$ 6.8 \\ \hline
\end{tabular}
\end{table}