The chemical composition of the oldest nearby open cluster Ruprecht 147

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Volume 619 (November 2018)

A&A, 619 (2018) A176

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Table A.7.

Sensitivity to errors in atmospheric parameters.

Element	Lines	ΔA(X) (CWW 10)		ΔA(X) (CWW 81)
		ΔT_eff = + 33 K	Δlog(g)= + 0.08 dex	ΔT_eff = + 79 K	Δlog(g)= + 0.09 dex	Δ[M/H] = +0.06 dex
Li I	1			0.070	0.000	0.010
O I	1	0.010	0.040
Na I	8	0.029	−0.005	0.035	−0.005	−0.006
Mg I	5	0.018	−0.010	0.028	−0.012	−0.004
Al I	3	0.033	0.003	0.030	0.000	0.000
Si I	29	−0.012	0.009	0.019	0.002	−0.003
Ca I	25	0.041	−0.008	0.046	−0.012	−0.007
Sc I	3	0.050	0.007	0.070	−0.003	−0.003
Sc II	17	0.001	0.027	0.003	0.039	0.012
Ti I	75	0.052	0.004	0.066	−0.004	−0.006
Ti II	17	−0.002	0.027	−0.001	0.036	0.014
V I	28	0.057	0.006	0.074	0.002	−0.013
Co I	28	0.020	0.014	0.061	−0.001	−0.004
Ni I	84	0.013	0.011	0.047	−0.001	−0.004
Cu I	3	0.023	0.020	0.053	0.003	−0.010
Zn I	1	−0.010	0.010	0.030	0.010	−0.010
Y II	13	0.012	0.025	0.013	0.028	0.015
Zr I	1	0.060	0.000	0.080	0.000	−0.010
Zr II	2	0.010	0.040	0.010	0.040	0.005
Ba II	3	0.013	0.010	0.033	0.020	0.017
La II	3	0.008	0.033	0.015	0.035	0.015
Ce II	3	0.003	0.033	0.005	0.035	0.015
Eu II	1	0.000	0.030	0.010	0.040	0.020

Notes. Sensitivity computed for star CWW 10, a giant star with T_eff = 4744 ± 33 K, log(g)=2.38 ± 0.08 dex, [M/H] = −0.02 ± 0.06 dex; and a dwarf star CWW 81, with T_eff = 6163 ± 79 K, log(g)=4.15 ± 0.09 dex, [M/H] = +0.02 ± 0.06 dex.

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