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Statistical equilibrium of silicon in the atmospheres of cool stars
Published online by Cambridge University Press: 06 January 2014
Abstract
The statistical equilibrium of neutral and ionized silicon in the atmospheres of cool stars is discussed. Non-local thermodynamic equilibrium effects (NLTE) are investigated. It is found that the NLTE effects for Si are important, in particular for warm metal-poor stars. For warm metal-poor stars, the NLTE abundance correction reaches ~0.2 dex relative to standard LTE calculations.
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- Copyright © International Astronomical Union 2014