\normalsize

\clearpage
\setcounter{table}{4}
\begin{table*}[ht!]
\begin{center}
\caption{ \label{transtabla}Main characteristics derived for the IRAS sources identified as transition objects.}
\begin{tabular}{lccccc}
\hline \hline 
IRAS name& Other names & Spectral type&Spectral type& Reliability&Morphology  \\
& &our survey &(SIMBAD) & code$^\dagger$ & \\   
\hline
10178$-$5958&PN G285.1-02.7  Hen 3-401 &BeI    & Be        &AA & Bipolar [1]\\
10197$-$5750&Hen 3-404   &A0Ie   & A2Iabe    &AA & Bipolar [2]\\
10215$-$5916&         &A7eI   & K0        & AA\\ 
11353$-$6037&PM 1-60  &B5Ie   &           &AA\\
11531$-$6111&PM 1-61  &B8eI   &           &AA\\
15066$-$5532&PM 2-15  &       &           &AA\\
16594$-$4656&PN G340.3-03.2&Ae     & B7        &AA & Multipolar [3]\\
17074$-$1845&Hen 3-1347&B3eI   & B3IIIe    &AA\\
17086$-$2403&PN G359.8+08.9 PM 2-22&       & G5IV-V    & AA\\
17291$-$2402&PN G002.5+05.1 PM 1-155&       &           &AA\\
17311$-$4924&PN G341.4-09.0 Hen 3-1428&B3Ie   &  B1IIe    &AA&\\
17347$-$3139&RPZM 28  &       &          &AA& Bipolar [4]\\
17423$-$1755&PN G009.3+05.7 Hen 3-1475 &       & Be         &AA& Bipolar [5]\\
17466$-$3031& RPZM 42  &       &           &AA\\
18062$+$2410&PN G050.6+19.7  &B3e    & B1IIIpe   &AA\\
18442$-$1144& PN G022.0-04.3 &       & A3V       & AA \\
19016$-$2330&PN G013.1-13.2  &       &           &AA\\
19590$-$1249&PN G029.1-21.2  & B2eI  & B1Ibe      &AA\\
20462$+$3416&PN G076.6-05.7  &       &  B1Iae        & AA\\
21546$+$4721&PN G095.0-05.5  &       &           & AA \\
22023$+$5249&PN G099.3-01.9  &       &  Be        & AA \\
\hline
\end{tabular}
\end{center}
\noindent $\dagger$ This code rates our confidence in
the data presented, with A representing the maximum reliability. The
first letter marks our confidence in the correct identification of the
optical counterpart, and the second letter indicates how confident we
are in the evolutionary classification assigned.

\noindent [1]~\citet{gl99};
[2]~\citet{allen80};
[3]~\citet{gl99b};
[4]~\citet{itzi04};
[5]~\citet{riera95}.


\end{table*}
\normalsize

