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This article has an erratum: [https://doi.org/10.1051/0004-6361/202038891e]


Table 2.

Sensitivity of the abundances (Δ log ϵX) with variations in the atmospheric parameters (considering the atmospheric parameters of HD 198269).

Δ log ϵX
Element ΔTeff Δ log g Δξt Δ [Fe/H]
(+100 K) (+0.5) (+0.5 (+0.5
km s−1) dex)
C 0.04 0.06 −0.03 −0.05
N 0.21 0.19 0.55 0.14
O 0.00 0.20 −0.10 −0.10
Na 0.08 0.05 0.13 0.23
Mg 0.10 0.00 0.00 0.00
Fe 0.12 0.07 −0.12 0.04
Sr 0.05 −0.05 −0.20 0.00
Y 0.01 0.16 0.04 −0.08
Zr 0.00 0.07 −0.10 −0.03
Ba 0.00 0.10 0.05 0.00
La 0.04 0.17 −0.08 −0.09
Ce 0.00 0.14 −0.12 −0.07
Pr 0.03 0.14 −0.06 −0.10
Nd 0.01 0.10 −0.17 −0.13
Sm −0.01 0.08 −0.19 −0.13
Eu −0.03 0.13 −0.05 −0.18
Gd 0.00 0.20 −0.15 −0.30
Dy 0.00 0.10 0.03 0.00
Er 0.00 0.10 −0.25 −0.05
Hf 0.05 0.15 −0.15 −0.18
Os 0.05 0.05 0.05 0.05
Pb 0.30 0.00 0.20 0.30

Notes. The lines of a few elements could not be detected in HD 198269; we thus used HD 196944 (slightly higher in temperature, but with otherwise similar parameters) to estimate the abundance sensitivity to parameter changes.

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