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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3 Pith papers cite this work. Polarity classification is still indexing.
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The diagnostic separates granulation-sensitive and stable lines in late-G and K dwarfs, with FeI lines showing lower velocity sensitivity than FeII as effective temperature decreases, making solar line selections non-portable.
3D radiative-MHD simulations reveal that chromospheric heating rises with magnetic flux while coronal base temperature responds non-monotonically due to enhanced mass loading and radiative cooling.
citing papers explorer
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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.
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Sensitivity of spectral lines to granulation: from the Sun to K-type stars
The diagnostic separates granulation-sensitive and stable lines in late-G and K dwarfs, with FeI lines showing lower velocity sensitivity than FeII as effective temperature decreases, making solar line selections non-portable.
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Chromosphere of the quiet sun: II. Atmospheric response to small-scale magnetic flux emergence
3D radiative-MHD simulations reveal that chromospheric heating rises with magnetic flux while coronal base temperature responds non-monotonically due to enhanced mass loading and radiative cooling.