\begin{table}%t3
\caption{\label{dibs}Equivalent widths ($W_{\lambda}$) of selected diffuse interstellar bands (DIBs) 
and the resulting estimates of $E_{B-V}$.  }
%\centerline
{
\small
\begin{tabular}{cccl}
\hline\hline
Line (\AA) & $W_{\lambda}$ (m\AA) & $E_{B-V}$ & Calibration \\
\hline
4428 &  2500 & $>$1.0 & \citet{s02} \\
5780 & \o705 & 1.38 & \citet{h93} \\
5797 & \o225 & 1.51 & \citet{h93} \\
 8620 & \o550 & 1.50 & \citet{m08} \\
\hline
\end{tabular}}
\par
\medskip
Uncertainties on the widths
are $\pm$100 m\AA\/ for \lam4428, and $\pm$10\% for the other lines.
\end{table}