The Bulge Cluster Origin (BulCO) survey at the ESO-VLT: Probing the early history of the Milky Way assembly. Design and first results in Liller 1

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Table 2

Coordinates, K-band magnitude, atmospheric parameters, radial velocity, and chemical abundances of the observed stars in Liller 1.

ID	RA	Dec	K	T_e	Log(g)	RV	[Fe/H]	[Mg/H]	[Si/H]	[Ca/H]

	[deg]	[deg]	[mag]	[K]	[dex]	[km/s]	[dex]	[dex]	[dex]	[dex]
100760	263.35015940	−33.39933860	12.485	4200	1.50	68.6	−0.41 ± 0.01 (17)	−0.14 ± 0.02 (3)	−0.09 ± 0.01 (3)	−0.16 ± 0.03 (2)
300094	263.34081200	−33.38945370	9.359	3400	0.25	60.7	−0.46 ± 0.02 (8)	−0.18 ± 0.10 (1)	−0.17 ± 0.10 (1)	−0.21 ± 0.10 (1)
300315	263.34635890	−33.38677290	9.216	3350	0.25	70.6	−0.50 ± 0.02 (7)	−0.21 ± 0.10 (1)	−0.23 ± 0.02 (2)	−0.27 ± 0.10 (1)
300553	263.34974320	−33.38908650	11.774	4050	1.25	68.4	−0.42 ± 0.01 (18)	−0.14 ± 0.02 (3)	−0.17 ± 0.01 (5)	−0.16 ± 0.02 (3)
300614	263.34576520	−33.38735650	12.454	4150	1.75	74.7	0.27 ± 0.01 (19)	0.24 ± 0.01 (3)	0.29 ± 0.02 (5)	0.26 ± 0.01 (4)
300682	263.34970830	−33.38889850	12.460	4150	1.50	73.6	−0.27 ± 0.01 (19)	0.03 ± 0.01 (3)	0.06 ± 0.02 (3)	0.01 ± 0.02 (3)
300727	263.34491220	−33.38586660	12.496	4200	1.75	71.6	0.28 ± 0.01 (20)	0.26 ± 0.02 (4)	0.28 ± 0.01 (7)	0.31 ± 0.01 (3)
387099	263.34466130	−33.38908300	8.925	3400	0.50	71.3	0.19 ± 0.02 (7)	0.18 ± 0.10 (1)	0.23 ± 0.02 (3)	0.21 ± 0.10 (1)
400065	263.35796140	−33.38444410	9.263	3400	0.50	85.8	0.20 ± 0.01 (12)	0.24 ± 0.10 (1)	0.23 ± 0.02 (4)	0.22 ± 0.01 (2)
400778	263.35441500	−33.38819150	12.862	4300	1.75	71.6	−0.17 ± 0.01 (16)	0.08 ± 0.02 (2)	0.05 ± 0.02 (3)	0.05 ± 0.02 (4)
400829	263.35164550	−33.38821260	12.801	4250	1.75	64.2	−0.30 ± 0.01 (16)	0.03 ± 0.02 (4)	0.04 ± 0.01 (6)	0.01 ± 0.02 (4)
400887	263.35383770	−33.38732720	12.927	4300	2.00	71.3	0.26 ± 0.01 (19)	0.24 ± 0.01 (3)	0.23 ± 0.02 (4)	0.25 ± 0.02 (4)

Notes. The quoted errors are the standard deviations divided by the square root of the number of lines used (reported in brackets), with the exception of a conservative assumption of 0.1 dex when only one line was measurable.

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