\begin{table}%t1
%\centering
\par
\caption{Relative positions and magnitudes of the components (2004.861).
\label{tab:pos}}
\begin{tabular}{ l | ccc| ccc| ccc}
\hline \hline
Pair    &  \multicolumn{3}{|c|} {A,B} & \multicolumn{3}{c|} {A,C} &
\multicolumn{3}{c} {C,E} \\
\hline
 Wavelength & $\rho$,$''$ & $\theta$, $^\circ$ & $\Delta m$ & 
$\rho$,$''$ & $\theta$, $^\circ$ & $\Delta m$ & 
$\rho$,$''$ & $\theta$, $^\circ$ & $\Delta m$  \\
\hline 
$J$ 1.2 $\mu$m & 0.722 & 124.161 &  0.536 &
  2.648 &  5.458 & --0.349 &
  0.514 & 145.119 & 2.651 \\
$H$ 1.6 $\mu$m & 0.720 & 124.165 & 0.520 & 
   2.644 &  5.467 & --0.238 &  
   0.514 & 145.158 & 2.721 \\
$K_s$ 2.2 $\mu$m &0.720 & 124.152 & 0.481 &
    2.643 & 5.466 & --0.190 &
    0.514 & 145.178 & 2.642 \\
NB 2.12 $\mu$m & 0.720 & 124.153 & 0.477 &
                 2.642 & 5.465   & --0.172 &
		 0.514 & 145.147 & 2.665  \\
$L'$  3.4 $\mu$m &  0.718 & 124.161 & 0.398 &
     2.637 & 5.459 & --0.123 & 
     0.513 & 145.202 & 2.394 \\
Average& 0.720 & 124.158 & -- &  
         2.643 & 5.463 &  -- & 
         0.514 & 145.161 & -- \\  
rms & 0.001 & 0.005 & -- &
     0.004  & 0.004 & -- & 
     0.001  & 0.028 & -- \\
\hline
\end{tabular}
\end{table}