Table 2: Main characteristics of the post-AGB stars selected for the analysis.
IRAS name E(B-V) Ref. Chemistry Ref. Sp.type Ref. GLON. GLAT.
01005+7910 0.2 $\pm$ 0.1 (25) C (25) B2 (25) 123.57 +16.59
02229+6208 1.67 $\pm$ 0.09 (17) C (37) G9Ia (37) 133.73 +1.50
04296+3429 1.3 $\pm$ 0.1 (7, 15, 36) C (27) G0Ia (3) 166.24 -9.05
05113+1347 1.1 $\pm$ 0.2 (26, 36, 40) C (26) G5I (40) 188.86 -14.29
05251-1244 0.23 $\pm$ 0.09 (35) C (42) PN/07f (14) 215.21 -24.28
05341+0852 1.65 $\pm$ 0.09 (7, 17, 40) C (26) F5I (15) 196.19 -12.14
06530-0213 1.7 $\pm$ 0.2 (36, 40) C (18) F5I (18) 215.44 -0.13
07134+1005 0.4 $\pm$ 0.1 (15, 40) C (26) F7 Ie (40) 206.75 +9.99
08005-2356 0.7 $\pm$ 0.3 (15, 40) O (5) F5I (3) 242.36 +3.58
08143-4406 0.8 $\pm$ 0.1 (36, 40) C (39) F8I (36) 260.83 -5.07
08544-4431 1.45 $\pm$ 0.09 (29) O (29) F3 (29) 265.50 +0.39
12175-5338 0.25 $\pm$ 0.09 (19, 38) C (46) A9Iab (32) 298.30 +8.67
16594-4656 2.2 $\pm$ 0.3 (20, 40, 44) C (9) B7 (44) 340.39 -3.29
17086-2403 0.86 $\pm$ 0.09 (40) C? (10) PN+G5? (34) 359.84 +8.99
17097-3210 0.06 $\pm$ 0.05 (30) C (45) B9 (30) 353.36 +4.03
17150-3224 0.68 $\pm$ 0.09 (23) O (23) G2I (23) 353.84 +2.98
17245-3951 1.0 $\pm$ 0.1 (40) O (20) F6I (40) 348.81 -2.84
17395-0841 1.1 $\pm$ 0.2 (11, 40) O? (10) PN+G (11) 17.02 +11.10
17423-1755 1.13 $\pm$ 0.09 (11, 40) O (41) Be (11) 9.36 +5.78
17436+5003 0.24 $\pm$ 0.09 (19) O (4) F3 Ib (48) 77.13 +30.87
18025-3906 1.15 $\pm$ 0.09 (22, 40) O (24) G1I (40) 353.27 -8.72
18062+2410 0.6 $\pm$ 0.2 (33, 40) O (33) B1 I (33) 50.67 +19.79
HD 172324 0.03 $\pm$ 0.02 (6) O (1) B9Ib (1) 66.18 +18.58
19114+0002 0.60 $\pm$ 0.05 (19, 40) O (4) G5 Ia (3) 35.62 -4.96
19200+3457 0.3 $\pm$ 0.1 (11) O? (11) B (11) 67.57 +9.51
19386+0155 1.05 $\pm$ 0.09 (2) O (28) F5I (31) 40.51 -10.09
19500-1709 0.37 $\pm$ 0.09 (19) C (47) F2-6 Ia (3) 23.98 -21.04
20000+3239 1.6 $\pm$ 0.1 (15, 26) C (21) G8Ia (21) 69.68 +1.16
20462+3416 0.38 $\pm$ 0.09 (8, 43) O (8) B1.5 (8) 76.60 -5.75
22023+5249 0.52 $\pm$ 0.09 (12) O (13) B (12) 99.30 -1.96
22223+4327 0.2 $\pm$ 0.1 (15, 26) C (26) G0 Ia (15) 96.75 -11.56
22272+5435 0.9 $\pm$ 0.2 (15) C (16) G5 Ia (15) 103.35 -2.52
23304+6147 1.4 $\pm$ 0.2 (15, 36) C (15) G2 Ia (15) 113.86 +0.59
(1) Arellano et al. (2001); (13) Gauba & Parthasarathy (2004); (25) Klochkova et al. (2002); (37) Reddy et al. (1999);
(2) Arkhipova et al. (2000); (14) Heap & Augensen (1987); (26) Kwok et al. (1995); (38) Reed & Vance (1996);
(3) Bakker et al. (1997); (15) Hrivnak (1995); (27) Kwok et al. (1999); (39) Reyniers et al. (2004);
(4) Bujarrabal et al. (1992); (16) Hrivnak & Kwok (1991); (28) Lewis (2000); (40) Suárez et al. (2006);
(5) Desmurs et al. (2002); (17) Hrivnak & Kwok (1999); (29) Maas et al. (2003); (41) te Lintel Hekkert et al. (1991);
(6) Fernie (1983); (18) Hrivnak & Reddy (2003); (30) Malfait et al. (1998); (42) Torres-Peimbert et al. (1980);
(7) Fujii et al. (2002); (19) Hrivnak et al. (1989); (31) Meixner et al. (1999); (43) Turner & Drilling (1984);
(8) García-Lario et al. (1997a); (20) Hrivnak et al. (1999); (32) Oudmaijer et al. (1992); (44) van de Steene & van Hoof (2003);
(9) García-Lario et al. (1999); (21) Hrivnak et al. (2000); (33) Parthasarathy et al. (2000a); (45) van der Veen et al. (1989);
(10) García-Lario (priv. comm.); (22) Hu et al. (1993a); (34) Parthasarathy et al. (2000b); (46) van Winckel (1997);
(11) Gauba et al. (2003); (23) Hu et al. (1993b); (35) Pottasch et al. (2004); (47) van Winckel & Reyniers (2000);
(12) Gauba & Parthasarathy (2003); (24) Hu et al. (1994); (36) Reddy & Parthasarathy (1996); (48) Volk & Kwok (1989).


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