High-resolution abundance analysis of four red giants in the globular cluster NGC 6558

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Volume 619 (November 2018)

A&A, 619 (2018) A178

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Table 8

Abundance uncertainties for star N6558:283, for uncertainties of ΔT_eff = 100 K, Δlog g = 0.2, Δ v_t = 0.2 km s⁻¹ and corresponding total error.

Element	Δ T	Δ log g	Δ v_t	(∑ x²)^1∕2	(+continuum)
	100 K	0.2 dex	0.2 kms⁻¹
(1)	(2)	(3)	(4)	(5)	(6)
[FeI/H]	−0.10	+0.01	+0.05	0.11	0.15
[FeII/H]	+0.10	−0.07	+0.04	0.13	0.16
[O/Fe]	+0.00	+0.05	+0.00	0.05	0.11
[NaI/Fe]	+0.05	+0.00	+0.00	0.05	0.11
[AlI/Fe]	+0.06	+0.00	+0.00	0.06	0.12
[MgI/Fe]	+0.00	+0.01	+0.00	0.01	0.11
[SiI/Fe]	+0.03	+0.00	+0.00	0.03	0.10
[CaI/Fe]	+0.08	+0.00	+0.01	0.08	0.13
[TiI/Fe]	+0.12	+0.01	+0.00	0.12	0.15
[TiII/Fe]	−0.05	+0.07	+0.00	0.09	0.14
[YI/Fe]		+0.04	+0.00	0.10	0.19
[BaII/Fe]	+0.00	+0.02	+0.00	0.02	0.10
[EuII/Fe]	−0.05	+0.05	+0.00	0.07	0.12

Notes. The errors are to be added to reach the reported abundances. A continuum uncertainty leading to an error of 0.1dex is also added in Col. 6. Theerror in [Y/Fe] comes from +0.15 for line YI 6435 and −0.05 for line YI 6795Å.

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