\begin{table}%t2
\caption{\label{objtype}Number of sources in our data set with known object types or spectral types.}  
\par
%\centering
\par
\begin{tabular}{l r r}
\hline\hline \noalign{\smallskip}
Object types /  & \multicolumn{2}{c}{Data set} \\ 
Spectral types & AKARI-Hipparcos & AKARI-2MASS \\ 
\hline
Be stars                              &   449  &   641 \\
Carbon stars                      &   281  & 4606 \\
M-type supergiants            &     74  &   229 \\
M-type giants                     & 1732  & 3129 \\
OH/IR stars                        &       1  &   570 \\
Planetary Nebulae             &      7   &   275 \\
Post-AGB  stars                 &     42  &   242 \\
S-type stars                       &     74  & 1229 \\
Wolf-Rayet stars                &     54  &   100 \\
Young stellar objects         &      8   &  788 \\
Pre-main-sequence stars  &     65  &   351 \\
\hline
\end{tabular}
\end{table}