High-resolution infrared spectroscopy of the dust-obscured metal-poor open cluster Trumpler 5

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Table 6

Relative abundances and ¹²C/¹³C ratios of our target stars from IGRINS spectra.

Species [X/Fe]	J06361880 +0934066	J06361925 +0925587	J06362606 +0931584	J06363256 +0925083	J06364731 +0932596	J06365277 +0932270	J06363185 +0940450	Tr5	σ
C (from CO)	0.11	0.17	−0.02	−0.03	−0.04	−0.03	−0.04	0.02	0.08
N (from CN)	0.54	0.27	0.20	0.33	0.35	0.20	0.17	0.29	0.13
O (from OH)	0.55	0.35	0.05	0.19	0.35	0.17	0.10	0.25	0.17
F (from HF)	0.19	0.21	−0.14	0.13	−	−	−	0.10	0.16
Na I	0.10	0.07	−0.10	0.02	0.19	0.03	−0.04	0.04	0.10
Mg I	0.11	−0.06	0.07	0.06	−0.02	0.05	0.02	0.03	0.06
Al I	0.19	0.16	0.10	0.07	0.14	0.11	0.19	0.14	0.05
Si I	0.04	0.05	0.04	0.08	0.03	0.02	0.05	0.05	0.02
P I	0.35	0.48	0.43	0.31	0.34	−	0.15	0.34	0.11
S I	0.10	−0.04	0.23	0.16	−0.02	0.04	0.23	0.10	0.11
K I	0.15	0.33	0.21	0.17	0.34	0.26	0.00	0.21	0.12
Ca I	0.17	0.12	0.04	0.07	0.05	0.08	0.04	0.08	0.05
Sc I	0.52	0.22	−0.11	−0.05	0.23	0.13	−0.01	0.13	0.22
Ti I	0.13	0.20	−0.04	0.04	0.09	0.10	−0.03	0.07	0.09
Ti II	0.17	0.21	0.01	0.14	0.06	0.05	0.02	0.09	0.08
Cr I	0.04	0.06	0.02	−0.02	0.00	−0.07	−0.12	−0.01	0.06
Co I	0.32	0.21	0.01	0.11	0.03	0.01	0.05	0.11	0.12
Ni I	0.08	0.03	0.04	−0.02	−0.01	−0.09	0.07	0.01	0.06
Ce II	0.24	0.69	0.31	0.27	0.31	0.16	0.28	0.32	0.17
Yb II	0.10	0.63	0.31	0.19	0.36	0.16	0.42	0.31	0.18
¹²C/¹³ C	21	16	21	16	12	27	20	−	−

Notes. Tr5 represents the average for our seven targets.

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