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Table 4

Uncertainties in the non-LTE analysis of Fe i and Fe ii in selected stars.

Changes in non-LTE abundances, [Fe/H], with regard
to those in Col. 10 (SH = 0.1) of Table 3

Input parameter   HD 61421 HD 84937 HD 122563
Fe i Fe ii Fe i Fe ii Fe i Fe ii

H i collisions:
SH = 0 −0.02 0.01 +0.04 +0.02 +0.19 +0.11
SH = 1 −0.03 0.01 −0.13 0.00 −0.13 0.00
SH = 2 −0.03 0.00 −0.14 0.00 −0.15 0.00
SH = 0.1/0 for 0.00 0.00 +0.06 0.00 +0.08 +0.03
allowed/forbidden transitions
Reduced model atom, SH = 0.1 +0.01 +0.01 +0.02 +0.01 +0.07 0.00
Stellar parameters:
ΔTeff = −80 K −0.14 +0.01
ΔTeff = +80 K +0.06 0.00 +0.06 +0.03
Δlog    g = −0.1 0.00 −0.03 +0.02 −0.04
ΔVmic  = −0.1 km s-1 0.02 0.04 0.00 0.01 0.02 0.01

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