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Fig. 5.

image

Analysis of the convective blueshift of Fe I 5250.2 Å for different spectral resolutions R, from 700 000 (black) to 100 000 (blue). Panel a: highlights the impact of the resolution on the line bisector (at μ = 1.0). Panel b: center-to-limb variation of the convective blueshift, obtained for the line core (lower 5% of the bisector; solid lines) or the entire profile (lower 93%; dashed lines). The syntheses of de la Cruz Rodríguez et al. (2011) are compared as purple lines.

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