\begin{table}%T7
%\centering
\par
\caption{Line strength index definitions (from Fisher et~al. 1998).}
\begin{tabular}{cccc}
\hline\hline
Feature & Bandpass & Blue sideband & Red sideband \\
\hline
[OII]     & 3716.3--3738.3 & 3696.3--3716.3 & 3738.3--3758.3 \\
H$\delta$ & 4083.5--4122.3 & 4017.0--4057.0 & 4153.0--4193.0 \\
H$\gamma$ & 4319.8--4363.5 & 4242.0--4282.0 & 4404.0--4444.0 \\
H$\beta$  & 4847.9--4876.6 & 4799.0--4839.0 & 4886.0--4926.0 \\
\hline
\end{tabular}
\label{t7}
\end{table}