\begin{table}%t2
\caption{\label{ice_detail}Details of detected ice features.}
%\centering
\par
\begin{tabular}{ c c c c c }
\hline\hline \noalign{\smallskip}
Molecule       &  Wavelength &   Vibration Mode     &   $A$\tablefootmark{a}                        &  Reference               \\
     ~         &  [$\mu$m]   &                      &  [10$^{-17}$ cm molecule$^{-1}$]  &     ~                    \\
\hline
H$_2$O         &  3.05       &  O-H stretch         &  20                              &  1                     \\
CH$_3$OH       &  3.53       &  C-H stretch         &  0.76                            &  2                     \\
CO$_2$         &  4.27       &  C-O stretch         &  7.6                             &  1                     \\
$^{13}$CO$_2$  &  4.38       &  $^{13}$C-O stretch  &  7.8                             &  1                     \\
XCN            &  4.62       &  CN stretch          &  ...                             &  3                     \\
CO             &  4.67       &  C-O stretch         &  1.1                             &  1                     \\
\hline 
\end{tabular}
\tablefoot {\tablefoottext{a}{Band strengths of absorption features.}\vspace{-3mm}}   
 \tablebib {(1) \citet{Ger95}; (2) \citet{dHA86}; (3) \citet{Sch97}.}
 \vspace{2mm}
\end{table}