Detailed homogeneous abundance studies of 14 Galactic s-process enriched post-AGB stars: In search of lead (Pb)

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Volume 587 (March 2016)

A&A, 587 (2016) A6

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Table 1

Overview of the sample: name(s), observational logs, references of previous studies, and radial velocities.

IRAS	Other	Date	UT	Exp. time^a	Telescope+	References	r _v
	name		start	(s)	spectrograph		(km s^-1)

05113+1347^d		2014-10-07	07:55	Blue: 1 × 2676	VLT + UVES	1	6 ± 2
		2014-11-23	05:03	Blue: 1 × 2676	VLT + UVES		5 ± 1
				Red: 2 × 1200	VLT + UVES		5 ± 1

05341+0852^d		2014-10-06	07:52	All: 1 × 1826	VLT + UVES	2	28 ± 1
		2014-10-06	08:28	All: 1 × 1826	VLT + UVES		28 ± 1

06530-0213		2014-12-24	04:03	All: 1 × 2427	VLT + UVES	3	52 ± 1
		2014-12-24	04:50	All: 1 × 2427	VLT + UVES		52 ± 1

07134+1005^d	HD 56126	2014-09-05	05:50	1 × 920	Mercator + HERMES	2	92 ± 1
		2014-09-08	05:39	1 × 1000	Mercator + HERMES		94 ± 1

07430+1115		2014-12-24	05:33	Blue: 1 × 2176	VLT + UVES	4	41 ± 2
				Red: 2 × 1000	VLT + UVES		41 ± 1

08143-4406^b		2001-01-16	06:41	Blue437: 2 × 1800	VLT + UVES	3	52 ± 2
		2001-01-16	07:16	Red860: 3 × 500	VLT + UVES		52 ± 1
		2001-02-01	04:21	Red: 1 × 1800	VLT + UVES		52 ± 1

08281-4850		2015-01-25	04:18	All: 1 × 2400	VLT + UVES	5	117 ± 1
		2015-01-25	03:47	All: 1 × 2600	VLT + UVES		116 ± 1
		2015-01-31	02:39	All: 1 × 2116	VLT + UVES		117 ± 1

13245-5036^d		2015-03-06	04:53	All: 1 × 346	VLT + UVES		54 ± 1

14325-6428^c		2004-05-13	07:13	Blue437: 1 × 1800	VLT + UVES	5	–83 ± 1
				Red860: 1 × 1800	VLT + UVES		–83 ± 1
		2004-05-13	06:39	Red: 1 × 1800	VLT + UVES		–82 ± 1

14429-4539^b,d		2001-02-03	08:24	Red: 1 × 1800	VLT + UVES		0 ± 2
			08:55	Red: 1 × 1200	VLT + UVES		0 ± 2
		2001-02-06	07:53	Red: 1 × 1800	VLT + UVES		0 ± 2
		2001-02-12	07:54	Blue437: 3 × 2000	VLT + UVES		4 ± 2
				Red860: 3 × 2000	VLT + UVES		4 ± 2

17279-1119	HD158616	2014-09-18	00:00	All: 1 × 65	VLT + UVES	6	62 ± 1

19500-1709^d	HD187885	2009-07-16	00:20	2 × 2000	Mercator + HERMES	2	15 ± 1

22223+4327^d	V448 Lac	2009-07-31	02:50	4 × 1800	Mercator + HERMES	2, 6	–41 ± 1

22272+5435^d	HD235858	2014-08-29	01:55	3 × 720	Mercator + HERMES	1	–38 ± 1

Notes.

^(a)

Exposure times of UVES spectra are split up into three categories: exposure times for the Blue arm, Red arm, or both arms; the latter is indicated with “All”. Terms “Blue” and “Red” refer to observations with the Blue390 and Red580 setting. For older observations, the Blue437 and Red860 settings have also been used.

^(b)

For more information about these observations, see Reyniers (2002).

^(c)

For more information about the observations of IRAS 14325-6428, see Reyniers et al. (2007b).

^(d)

Identified 21 μm source.

Reference. 1. Reddy et al. (2002); 2. Van Winckel & Reyniers (2000); 3. Reyniers et al. (2004); 4. Reddy et al. (1999); 5. Reyniers et al. (2007b); 6. Rao et al. (2012).

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