\begin{table}%t7
\caption{\label{tab_expspt}Estimated spectral types of T dwarf candidates based on colours and absolute magnitudes.}
%\centering
\par
\begin{tabular}{l l l l l l}
\hline\hline\noalign{\smallskip}
Object & SpT $(J-H)$ & SpT $(J-K)$& SpT $(M_J)$ & SpT $(M_K)$ & SpT adopted \\
\hline
ULAS~J0329$+$04 &  T5.0-T9.0 ($-$0.38) & T5.5-T9.0 ($-$0.67) &                            &                            & T7.0 $\pm$ 2.0 \\
ULAS~J0819$+$21 &  T5.0-T6.5 ($-$0.33) & T4.0-T6.5 ($-$0.23) &                            &                            & T5.5 $\pm$ 1.0 \\
ULAS~J0945$+$07 &  T4.5-T6.0 ($-$0.22) & T4.0-T7.5 ($-$0.30) &                            &                            & T5.5 $\pm$ 1.5 \\
ULAS~J1012$+$10 &  T5.0-T9.0 ($-$0.37) & T5.5-T9.0 ($-$0.57) &                            &                            & T7.0 $\pm$ 2.0 \\
Hip~63510C      &  T5.0-T6.5 ($-$0.33) & T4.0-T6.5 ($-$0.22) & T7.5-T8.0 (16.35) & T6.5-T8.0 (16.56) & T7.0 $\pm$ 1.0 \\
ULAS~J1417$+$13 &  T5.0-T5.5 ($-$0.23) & T4.0-T6.5 ($-$0.23) &                            &                            & T5.5 $\pm$ 1.0 \\
ULAS~J1449$+$11 &  T5.0-T9.0 ($-$0.37) & T5.5-T9.0 ($-$0.75) &                            &                            & T7.0 $\pm$ 2.0 \\
Hip~73786B      &  T6.5-T9.0 ($-$0.46) & T6.0-T9.0 ($-$0.82) & T6.0-T7.5 (15.25) & T6.5-T7.5 (16.07) & T6.5 $\pm$ 1.0 \\ 
ULAS~J2320$+$14 &  T5.0-T9.0 ($-$0.34) & T5.0-T9.0 ($-$0.49) &                            &                            & T7.0 $\pm$ 2.0 \\
ULAS~J2321$+$13 &  T5.5-T9.0 ($-$0.40) & T5.5-T9.0 ($-$0.67) &                            &                            & T7.5 $\pm$ 1.5 \\
ULAS~J2342$+$08 &  T5.0-T9.0 ($-$0.36) & T5.5-T9.0 ($-$0.61) &                            &                            & T7.0 $\pm$ 2.0 \\
\hline
\end{tabular} 
\end{table}