Unveiling the nature of HE 0107–5240: a long period binary CEMP-no star with [Fe/H] of –5.56

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Table A.1

Abundances from the literature.

Element	NC02 [X/Fe]	NC04 A(X)	B04	RC06	Y13	E17	S19 C-NLTE¹	A22	M23
T_eff	5100	5100	5100	5130	5100	5050	5300	5100	5100
log g	2.2	2.2	2.2	2.2	2.2	2.3	2.5	2.2	2.2
Li	< 5.3	< 1.12		< 0.94				< 0.50
C	4.0	6.81/7.112		~5.7³	6.74			6.90	6.75
12C/13C		~60						87
N	2.3	4.93/5.224		~3⁵	4.72			5.00
O			5.66	~5⁶
Na	0.8	1.86		1.75	1.81			1.62
Mg	0.2	2.41		2.33	2.32		0.30	2.24
Al		< 0.93		< 0.79				< 0.90
Si		< 2.55		< 2.45
S		< 7.11		< 7.15
K								< 1.22
CaI	0.4	0.99		0.84	0.92		0.02	0.78
CaII		1.44		1.24				1.43
Sc		< –1.50		< –1.63
Ti	–0.4	–0.62		–0.66	–0.55
Cr		< 0.65		< 0.36				< 0.67
Mn		< 0.47		< 0.08
FeI	–5.3 ± 0.2	2.06/2.17⁷		1.83	1.96	2.03 ± 0.20/2.78 ± 0.15⁷		1.96
FeII		< 3.00		< 3.06
Co		< 0.86		< 0.60
Ni	–0.4	0.60		0.27
Zn	< 2.7	< 1.97		< 2.02
Sr	< –0.5	< –2.83		< –3.00	< –3.19			< –3.40
Ba	< 0.8	< –2.33		< –2.59	< –2.54			< –2.87	< –3.19
Eu	< 2.8	< –1.99		< –2.52

NC02: Christlieb et al. (2002); NC04: Christlieb et al. (2004); B04: Bessell et al. (2004); RC06: Collet et al. (2006); Y13: Yong et al. (2013); E17: Ezzeddine et al. (2017); S19: Sitnova et al. (2019); A22: Aguado et al. (2022); M23: Molaro et al. (2023).

¹ NLTE corrections.

² From CH and C2 lines, respectively.

³ average assuming two different A(C) of 7.11 and 6.81, respectively and on different lines.

⁴ consistent values from CH and C2 lines.

⁵ from CN lines.

⁶ average value after 3D correction of several synthetic OH lines.

⁷ LTE and NLTE.

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