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Table 1

Post-AGB sources observed with the 30 m IRAM telescope.

Source Observed coordinates F 25 μ F 60 μ Luminosity Distance sp. type V(LSR) Comments
J2000 Jy Jy L pc km s-1

RV Tau 04:47:06.73 +26:10:45.6 18.1 6.5 3500 22001 G2-M2 +17 RV Tau variable
DY Ori 06:06:14.91 +13:54:19.1 14.9 4.2 1600 20001 G0 I –16 RV Tau variable
Red Rectangle 06:19:58.22 –10:38:14.7 456.1 173.1 6000 7102 B9 0 interferometric CO maps
U Mon 07:30:47.47 –09:46:36.8 88.4 26.6 4000 8001 F8-K0 I +9 RV Tau variable
AI CMi 07:35:41.15 +00:14:58.0 68.1 18.5 30003 15003 G5 I +33
HR 4049 10:18:07.59 –28:59:31.2 9.6 1.8 2900 6504 A6 I –45 well studied inner disk
89 Her 17:55:25.19 +26:03:00.0 54.5 13.4 9200 10005 F2 I –8 interferometric CO maps
IRAS 18123+0511 18:14:49.39 +05:12:55.7 11.0 4.2 30003 35003 F2 +99
AC Her 18:30:16.24 +21:52:00.6 65.3 21.4 3500 11001 F2-K4 I –10 previous tent. det., RV Tau variable
R Sct 18:47:28.95 –05:42:18.5 9.3 8.2 14000 10005 G0-K0 I +55 previous det., pec. RV Tau variable
IRAS 19125+0343 19:15:01.18 +03:48:42.7 26.5 7.8 30003 15003 F2 +84
IRAS 19157-0247 19:18:22.71 –02:42:10.9 7.2 2.5 30003 29003 F3 +49
IRAS 20056+1834 20:07:54.62 +18:42:54.5 18.0 5.4 30003 30003 G0 ~0 edge-on disk
R Sge 20:14:03.75 +16:43:35.1 7.5 2.1 2500 25001 G0-K0 I +28 RV Tau variable

Notes. Observed coordinates and other relevant properties including IRAS fluxes, total luminosity and adopted distance (Sect. 2.1), stellar spectral type, and stellar velocity (derived from optical lines, except for sources previously detected in CO emission) are listed. Distance estimate:

(1)

P-L relation for RV Tau variables;

(2)

Men’shchikov et al. (2002);

(3)

Assumed luminosity;

(4)

Corrected parallax (Acke et al. 2013);

(5)

Hipparcos parallax.

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