\begin{table}%t4
\caption{\label{tab:mags_2mass}The 2MASS magnitudes adopted for \epsba, Bb~in different studies.}
\small%\centerline
 {
\begin{tabular}{llll}
  \hline
  \hline\noalign{\smallskip}
  Passband &  \multicolumn{3}{l}{Ba} \\
           &  McC04 & K09 & This work   \\
  \hline
  2MASS $J$         & 12.29 $\pm$ 0.02 & 12.33 $\pm$ 0.02 & 12.29 $\pm$ 0.03  \\
  2MASS $H$         & 11.51 $\pm$ 0.02 & 11.54 $\pm$ 0.02 & 11.50 $\pm$ 0.03  \\
  2MASS $K_{\rm{S}}$ & 11.35 $\pm$ 0.02 & 11.37 $\pm$ 0.02 & 11.38 $\pm$ 0.03  \\
  \hline
  Passband &  \multicolumn{3}{l}{Bb} \\
           &  McC04 & K09 & This work   \\
  \hline
  2MASS $J$         & 13.23 $\pm$ 0.02 & 13.19 $\pm$ 0.03 & 13.23 $\pm$ 0.03 \\
  2MASS $H$         & 13.27 $\pm$ 0.02 & 13.36 $\pm$ 0.03 & 13.19 $\pm$ 0.03 \\
  2MASS $K_{\rm{S}}$ & 13.53 $\pm$ 0.02 & 13.51 $\pm$ 0.02 & 13.49 $\pm$ 0.03 \\
  \hline
\end{tabular}}
\medskip
McC04 refers to  \citet{McCaughrean:2004} for which we have assumed the uncertainties on the photometry to be equal to the uncertainty on the 2MASS~photometry of the unresolved system. K09~is the study of \citet{Kasper:2009}.
\end{table}