\begin{table}%t1
\caption{List of observed sources. Classification as in
  \citet{suarez06} is also listed. Other classifications in the
  literature are given for objects listed as peculiar or without an
  optical counterpart in  \citet{suarez06}.}  \label{observadas}
\begin{tabular}{ccrcc}
\hline \hline 
IRAS&RA (J2000)&Dec (J2000)& Classification& Other classification\\
& & & \citet{suarez06}&  \\
\hline
   00509+6623 & 00:54:07.7 &   +66:40:13  & No counterpart &Post-AGB cand.$^1$ \\        
   01005+7910 & 01:04:45.5 &   +79:26:46  &       Post-AGB &                 \\        
   01259+6823 & 01:29:33.4 &   +68:39:17  &       Post-AGB &                 \\        
   02143+5852 & 02:17:57.8 &   +59:05:52  &       Post-AGB &                 \\        
   04137+7016 & 04:19:07.7 &   +70:23:23  & No counterpart &Post-AGB cand.$^2$\\        
%%& & & & \\                              
   04296+3429 & 04:32:57.0 &   +34:36:12  &       Post-AGB &                 \\        
   05089+0459 & 05:11:36.2 &   +05:03:26  &       Post-AGB &                 \\        
   05113+1347 & 05:14:07.8 &   +13:50:28  &       Post-AGB &                 \\        
   05341+0852 & 05:36:55.1 &   +08:54:09  &       Post-AGB &                 \\        
   05381+1012 & 05:40:57.1 &   +10:14:25  &       Post-AGB &                 \\        
%%& & & & \\                              
   05471+2351 & 05:50:13.9 &   +23:52:18  &       Peculiar
   &BQ[~]$^3$        \\
   05573+3156 & 06:00:33.4 &   +31:56:44  & No counterpart & HII region$^4$  \\        
   06499+0145 & 06:52:28.2 &   +01:42:12  & No counterpart & HII region$^5$ \\        
 06518$-$1041 & 06:54:13.4 & $-$10:45:38  &             PN &                 \\        
 06530$-$0213 & 06:55:31.8 & $-$02:17:28  &       Post-AGB &                 \\        
%& & & & \\                              
   06556+1623 & 06:58:30.4 &   +16:19:26  &       Peculiar &BQ[~]$^3$        \\
   07134+1005 & 07:16:10.3 &   +09:59:48  &       Post-AGB &                 \\        
 07227$-$1320 & 07:25:03.1 & $-$13:26:20  &       Post-AGB &                 \\        
 07253$-$2001 & 07:27:33.0 & $-$20:07:19  &       Post-AGB &                 \\        
   07331+0021 & 07:35:41.2 &   +00:14:58  &       Post-AGB &                 \\        
%& & & & \\                              
   07430+1115 & 07:45:51.4 &   +11:08:19  &       Post-AGB &                 \\        
 08005$-$2356 & 08:02:40.7 & $-$24:04:43  &       Post-AGB &                 \\        
 08187$-$1905 & 08:20:57.1 & $-$19:15:03  &       Post-AGB &                 \\        
 16476$-$1122 & 16:50:24.3 & $-$11:27:58  &       Post-AGB &                 \\        
 16552$-$3050 & 16:58:27.8 & $-$30:55:06  &       Post-AGB &                 \\        
%& & & & \\                              
 16559$-$2957 & 16:59:08.2 & $-$30:01:40  & No counterpart & Post-AGB$^6$  \\        
 17074$-$1845 & 17:10:24.2 & $-$18:49:01  &Transition      &                 \\        
 17086$-$2403 & 17:11:38.9 & $-$24:07:33  &Transition      &                 \\        
 17106$-$3046 & 17:13:51.8 & $-$30:49:41  &       Post-AGB &                 \\        
 17195$-$2710 & 17:22:43.6 & $-$27:13:37  &       Post-AGB &                 \\        
%& & & & \\                              
 17203$-$1534 & 17:23:11.9 & $-$15:37:15  &       Post-AGB &                 \\        
 17223$-$2659 & 17:25:25.2 & $-$27:02:03  &       Post-AGB &                 \\        
 17253$-$2831 & 17:28:33.0 & $-$28:33:26  &       Post-AGB &                 \\        
 17269$-$2235 & 17:29:58.7 & $-$22:37:44  & No counterpart & PN$^7$      \\        
 17291$-$2402 & 17:32:12.8 & $-$24:05:00  &Transition      &                 \\        
%& & & & \\                              
 17317$-$2743 & 17:34:53.3 & $-$27:45:11  &       Post-AGB &                 \\        
 17332$-$2215 & 17:36:17.7 & $-$22:17:25  &       Post-AGB &                 \\        
 17347$-$3139 & 17:38:00.6 & $-$31:40:55  &Transition      &                 \\        
 17364$-$1238 & 17:39:16.9 & $-$12:40:30  &       Post-AGB &                 \\        
 17371$-$2747 & 17:40:23.3 & $-$27:49:12  &             PN &                 \\        
%& & & & \\                              
 17376$-$2040 & 17:40:38.6 & $-$20:41:53  &       Post-AGB &                 \\        
 17381$-$1616 & 17:40:59.8 & $-$16:17:59  &             PN &                 \\        
 17388$-$2203 & 17:41:49.0 & $-$22:05:16  &       Post-AGB &                 \\        
 17392$-$3020 & 17:42:30.4 & $-$30:22:11  &       Post-AGB &                 \\        
 17395$-$0841 & 17:42:14.4 & $-$08:43:19  &             PN &                 \\        
%& & & & \\                              
 17423$-$1755 & 17:45:14.2 & $-$17:56:47  &Transition      &                 \\        
   17436+5003 & 17:44:55.5 &   +50:02:39  &       Post-AGB &                 \\        
 17441$-$2411 & 17:47:13.5 & $-$24:12:51  &       Post-AGB &                 \\        
 17443$-$2949 & 17:47:35.3 & $-$29:50:57  & No counterpart & PN$^8$        \\        
 17466$-$3031 & 17:49:52.5 & $-$30:33:02  &Transition      &                 \\        
%& & & & \\                              
 17488$-$1741 & 17:51:48.9 & $-$17:42:26  &       Post-AGB &                 \\        
 17514$-$1555 & 17:54:21.1 & $-$15:55:52  &             PN &                 \\        
 17516$-$2526 & 17:54:43.4 & $-$25:26:28  &       Post-AGB &                 \\        
 17542$-$0603 & 17:56:56.0 & $-$06:04:10  &       Post-AGB &                 \\        
 17576$-$2653 & 18:00:49.6 & $-$26:53:13  &       Post-AGB &                 \\        
%& & & & \\                              
 17579$-$3121 & 18:01:12.8 & $-$31:22:00  &       Post-AGB &                 \\        
 17580$-$3111 & 18:01:19.6 & $-$31:11:22  & No counterpart & PN$^8$          \\        
 17582$-$2619 & 18:01:21.6 & $-$26:19:37  & No counterpart & Post-AGB$^9$   \\        
 17597$-$1442 & 18:02:38.3 & $-$14:42:03  &             PN &                 \\        
 18044$-$1303 & 18:07:15.3 & $-$13:03:29  &       Post-AGB &                 \\        
%& & & & \\                              
 18061$-$2505 & 18:09:12.4 & $-$25:04:34  &             PN &                 \\        
   18062+2410 & 18:08:20.1 &   +24:10:43  &Transition      &                 \\
 18075$-$0924 & 18:10:15.1 & $-$09:23:35  &       Post-AGB &                 \\        
 18186$-$0833 & 18:21:21.1 & $-$08:31:42  &             PN &                 \\        
 18246$-$1032 & 18:27:24.0 & $-$10:30:24  & No counterpart &Non-var OH/IR$^9$\\        
%& & & & \\                              
 18401$-$1109 & 18:42:57.1 & $-$11:06:53  &             PN &                 \\        
 18415$-$2100 & 18:44:32.0 & $-$20:57:13  &       Peculiar &RCrB type        \\
 18420$-$0512 & 18:44:41.7 & $-$05:09:17  &       Post-AGB &                 \\        
 18442$-$1144 & 18:47:04.0 & $-$11:41:12  &Transition      &                 \\        
   18520+0007 & 18:54:34.8 &   +00:11:04  &             PN &                 \\        
%& & & & \\                              
   18524+0544 & 18:54:54.1 &   +05:48:11  & No counterpart & PN$^9$          \\        
   18533+0523 & 18:55:46.7 &   +05:27:03  & No counterpart & Post-AGB$^9$    \\        
   18576+0341 & 19:00:11.2 &   +03:45:46  & No counterpart & LBV$^10$    \\        
   18582+0001 & 19:00:49.0 &   +00:06:14  &       Post-AGB &                 \\        
 19016$-$2330 & 19:04:43.6 & $-$23:26:09  &Transition      &                 \\
%& & & & \\                              
   19024+0044 & 19:05:02.1 &   +00:48:51  &       Post-AGB &                 \\        
   19083+0119 & 19:10:54.5 &   +01:24:45  & No counterpart & Post-AGB$^6$    \\        
   19114+0002 & 19:13:58.6 &   +00:07:32  &       Post-AGB &                 \\        
   19154+0809 & 19:17:50.6 &   +08:15:08  &             PN &                 \\        
   19200+3457 & 19:21:55.3 &   +35:02:55  &       Post-AGB &                 \\        
%& & & & \\                              
   19207+2023 & 19:22:55.8 &   +20:28:55  &       Post-AGB &                 \\        
   19208+1541 & 19:23:05.9 &   +15:47:31  & No counterpart & IR source       \\        
   19225+3013 & 19:24:26.9 &   +30:19:27  &       Post-AGB &                 \\        
   19306+1407 & 19:32:55.1 &   +14:13:37  &       Post-AGB &                 \\        
   19356+0754 & 19:38:02.2 &   +08:01:34  &       Post-AGB &                 \\        
%& & & & \\                              
   19386+0155 & 19:41:08.3 &   +02:02:31  &       Post-AGB &                 \\        
   19422+1438 & 19:44:31.7 &   +14:45:25  &       Post-AGB &                 \\        
   19454+2920 & 19:47:24.3 &   +29:28:12  & No counterpart & Post-AGB$^6$    \\        
   19477+2401 & 19:49:54.9 &   +24:08:53  &       Post-AGB &                 \\        
 19500$-$1709 & 19:52:52.7 & $-$17:01:50  &       Post-AGB &                 \\        
%& & & & \\                              
   19589+4020 & 20:00:43.0 &   +40:29:10  &       Post-AGB &                 \\        
   19589+3419 & 20:00:52.9 &   +34:28:22  &             PN &                 \\        
 19590$-$1249 & 20:01:49.8 & $-$12:41:18  &Transition      &                 \\        
   20160+2734 & 20:18:05.9 &   +27:44:04  &       Post-AGB &                 \\        
   20174+3222 & 20:19:27.8 &   +32:32:15  & No counterpart & Post-AGB$^9$   \\        
%& & & & \\                              
   20259+4206 & 20:27:42.3 &   +42:16:44  &       Post-AGB &                 \\        
   20406+2953 & 20:42:46.0 &   +30:04:06  & No counterpart & PN cand.$^7$, post-AGB$^9$ \\
   20462+3416 & 20:48:16.6 &   +34:27:24  &Transition      &                 \\        
   20572+4919 & 20:58:55.6 &   +49:31:13  &       Post-AGB &                 \\        
   21289+5815 & 21:30:22.8 &   +58:28:52  &       Post-AGB &                 \\        
%& & & & \\                              
   21537+6435 & 21:55:04.5 &   +64:49:54  & No counterpart & Post-AGB$^9$    \\        
   21546+4721 & 21:56:33.0 &   +47:36:13  &Transition      &                 \\        
   22023+5249 & 22:05:30.3 &   +53:21:33  &Transition      &                 \\        
   22036+5306 & 22:05:30.3 &   +53:21:33  &       Post-AGB &                 \\        
   22223+4327 & 22:24:31.4 &   +43:43:11  &       Post-AGB &                 \\        
\hline
\end{tabular}
\smallskip
$^1$~\citet{telintel91arti}. 
$^2$~\citet{vandesteene95}. 
$^3$~B type star with forbidden emission lines and variability. 
$^4$~\citet{persi94}. 
$^5$~\citet{bronfman96}. 
$^6$~\citet{hu93}. 
$^7$~\citet{kerber03}. 
$^8$~\citet{zijlstra89}. 
$^9$~\citet{gl97}. 
$^{10}$~Luminous blue variable \citep{ueta01}.
\end{table}