\begin{table}%t1
\caption{\label{data}Hawk-I $z$-drop candidates in Goods-S.}
%\centering
\small
\begin{tabular}{ccccc}
\hline\hline\noalign{\smallskip}
ID & RA (deg) & Dec (deg)& $Y$ & $Z-Y$ \\
\hline
G1\_149& 53.157038 &--27.930707 & 26.06& 1.60\\
G1\_1921&53.19538 & --27.835421& 26.71&  1.02\\
G1\_2631& 53.106022 & --27.848123& 26.64&1.06 \\
G2\_1408& 53.177382&  --27.782416&26.37 & $>$2.1\\
G2\_2370& 53.094421& --27.716847&25.56 &1.68 \\
G2\_4034& 53.150019& --27.744914& 26.35& $>$2.1\\
G2\_6173&  53.123074& --27.701256& 26.53& $>$1.9\\
\hline
\end{tabular}
\end{table}