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On line contribution functions and examining spectral line formation in 3D model stellar atmospheres
Published 24 Jul 2015 in astro-ph.SR | (1507.06741v1)
Abstract: Line contribution functions are useful diagnostics for studying spectral line formation in stellar atmospheres. I derive an expression for the contribution function to the abso- lute flux depression that emerges from three-dimensional box-in-a-star model stellar atmospheres. I illustrate the result by comparing the local thermodynamic equilibrium (LTE) spectral line formation of the high-excitation permitted OI777nm lines with the non-LTE case.
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