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Fig. 4

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CH G band computed with M3DIS 3D and 1D MARCS model atmospheres. Solid black lines represent the CEMP 3D model, dashed blue lines the corresponding scaled-solar 3D model. Solid red lines show the 1D MARCS model with the same stellar parameters. Top: Teff = 5750 K, log(g) = 4.5. Bottom: Teff = 5250 K, log(g) = 3.0.

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