Interpolation of 3D NLTE corrections of the line at λ6141 Å for the star uRGB-2. Circles represent values listed in the original tables, the parameters of which are given in the legends. Lines, coloured the same as the circles, are linear interpolations. The crosses represent values interpolated in T_eff and log g. The black cross displays the interpolated value in T_eff, log g, and [Fe/H]. The REW of the line and the 3D NLTE corrections are noted in the plot.