\begin{table}%t1
%\centering
\par
\caption{\label{t1}Distribution of the number of the 2-h points in the five $alpha$ bins and six velocity bins.}
\begin{tabular}{c c c c c c c}
\hline \hline
		$alpha$&$250<v<350$&$350<v<450$&$450<v<550$&$550<v<650$&$650<v<750$&$750<v<850$\\ 
\hline
		$[13,35]$&765&1745&1456&1214&885&417\\
		$[11,13]$&774&1898&1511&988&441&108\\
		$[9,11]$&1079&3233&2186&1247&438&84\\
		$[7,9]$&1312&3838&2669&1048&443&62\\
		$[0,7]$&1674&3547&1751&621&181&49\\ 
\par
\hline
\end{tabular}
\end{table}