\begin{table}%t2  non: t3!!! t2 = CDS only!!
\par
 \caption{\label{table:band_positions_and_widths}UIR band widths and central wavelengths \changed{in the diffuse interstellar
   matter.}}
  $$
      \begin{tabular}{l l l}
	 \hline
	 \hline
	 band name & center  ($\lambda_0$) & width ($\sigma$)\\
	  & \um   &   \um  \\
	 \hline
	 6.2 &  $6.26     \pm 0.01$ & 0.24 	\\
	 7.7 &  $7.66     \pm 0.02$ & 0.76 	\\
	 8.6 & 8.56              & 0.33 	\\
	 11.3 & $11.30   \pm0.02 $ & 0.27 	\\     
	 \hline
	 \end{tabular}
   $$
   \end{table}