The R-Process Alliance: Exploring the cosmic scatter among ten r-process sites with stellar abundances

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Volume 704 (December 2025)

A&A, 704 (2025) A282

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Table 2

Observing log.

ID	Inst	Slit width	Bin	HJD	Exp. (s)	S/N	S/N	RV_helio
		(″)				3800 Å	4100 Å	(km s⁻¹)
J0040+2729	McD	1.80	1 × 1	2459087.88555	14 × 1800	11	39	−91.70 ± 0.49
J0217–1903	MIKE	0.50	2 × 1	2458093.58377	4 × 1800	32	100	−43.97 ± 0.23
	MIKE	0.50	2 × 1	2458438.14529	5 × 1800			−45.17 ± 0.58
J0246–1518	MIKE	0.35	2 × 2	2457968.86570	3 × 1800	56	85	+277.71 ± 0.20
J1430–2317	MIKE	0.35	2 × 2	2457882.55411	3 × 1800	20	51	+432.65 ± 0.09
J1432–4125	MIKE	0.50	2 × 1	2458323.44550	3 × 1800	152	250	−229.78 ± 0.30
	MIKE	0.50	2 × 1	2458323.09657	4500			−231.80 ± 0.41
J1916–5544	MIKE	0.35	2 × 2	2457881.85935	3 × 1200	44	90	+49.43 ± 0.17
J2009–3410	MIKE	0.35	2 × 2	2457968.59879	5 × 1800	33	81	+27.80 ± 0.51
J2049–5124	MIKE	0.35	2 × 2	2457882.78828	5400	52	107	+24.31 ± 0.17
J2106–6828	MIKE	0.35	2 × 2	2457967.66552	4 × 1800	48	83	−74.28 ± 0.24
J2109–1310	MIKE	0.35	2 × 2	2457882.85526	3 × 1200	107	183	−36.20 ± 0.16

Notes. For the stars J0217–1903 and J1432–4125, multiple observations were taken at different epochs. These spectra were corrected for radial velocity shifts and subsequently co-added. We report the S/N of the final co-added spectrum only, as it is the version used for the analysis.

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