\begin{table}%T4
\caption{The fractional superhump excess of HS~0417 computed from
$\epsilon=(\Psh-\Porb)/\Porb$\label{t-epsilon}.}
%\centering
\small
\begin{tabular}{cccc}
\hline\hline\noalign{\smallskip} 
Case & \Porb~(min) & \Psh~(min) & $\epsilon$\\
\hline\noalign{\smallskip}
%
1 & 105.1 & 108.3 & 0.030\\
2 & 105.1 & 111.2 & 0.058\\
3 & 109.9 & 108.3 & $-$0.015\\
4 & 109.9 & 111.2 & 0.012\\
%
\noalign{\smallskip}\hline
\end{tabular}
\end{table}