\begin{table}%t2
\caption{\label{lines}$K$-band line identifications.}
%\centering
\small
\par
\begin{tabular}{lccr}
\hline
\hline
  \noalign{\smallskip}
 Feature           & Transition & Wavel. [\AA]  & $EW$ [\AA]      \\ 
  % \noalign{\smallskip}
\hline 
  \noalign{\smallskip}
He~I       & (2s$^1$S--2p$^1$P$^\circ$), 20\ 581 \AA             & 20~571  &     $-2.7\pm0.4$    \\ 
He~I       & (3p$^3$P$^\circ$--4s$^3$S), 21~120 \AA             &                   &    \\ 
                          & + (3p$^1$P$^\circ$--4s$^1$S), 21~130 \AA & 21~112   & $2.0\pm0.4$\\
Br$ \gamma$ & (4$^{2}$F$^\circ$--$7^{2}$G), 21~661            & 21~655  &      $2.7\pm0.2$   \\
  %\noalign{\smallskip}
  \hline
\end{tabular} 
\end{table}