3D NLTE sodium abundance corrections relative to 1D LTE are typically negative and larger for saturated lines in giants, reaching -0.7 dex, with a public grid released for use.
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3D NLTE Sodium abundances in late-type stars. Abundance corrections and synthetic spectra
3D NLTE sodium abundance corrections relative to 1D LTE are typically negative and larger for saturated lines in giants, reaching -0.7 dex, with a public grid released for use.