\begin{table}%t9 \caption{\label{model_prediction_compare}Comparison of our model predictions with previous studies.} \small%\centerline { \begin{tabular}{ccccc} \hline \hline \noalign{\smallskip} Study & \epsba\ $T_{\rm{eff}}$ & \epsbb\ $T_{\rm{eff}}$ \\ \hline \citet{Smith:2003} & 1400,1600 & ... \\ \citet{Roellig:2004} & 1250 & 800 \\ \citet{Sterzik:2005} & 1100 & ... \\ \citet{Mainzer:2007} & 1250 & 800 \\ \citet{Kasper:2009} & 1250--1300 & 875--925 \\ This work (atm. models) & 1300--1340 & 880--940 \\ This work (evo. models) & 1352--1385 & 976--1011 \\ \hline \end{tabular}} \medskip The last two entries show the determinations of the effective temperatures of the two T~dwarfs from this work, both from fitting atmospheric models to the observed spectra, and by comparing the derived luminosities and dynamical system mass with evolutionary models. \end{table}