Physics
Scientific paper
Dec 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989kfnt....5...55p&link_type=abstract
Kinematika i Fizika Nebesnykh Tel (ISSN 0233-7665), vol. 5, Nov.-Dec. 1989, p. 55-63. In Russian.
Physics
8
Abundance, K Stars, Lithium Isotopes, Solar Atmosphere, Stellar Atmospheres, Thermodynamic Equilibrium, Atmospheric Models, Atomic Energy Levels, Giant Stars, Line Spectra, Stellar Spectra
Scientific paper
Results are presented from non-LTE calulcations of the Li I (670.776, 670.791 nm) wavelength resonance doublet profiles and equivalent widths. The partial linearization method was used to solve the non-LTE problem for the six-level lithium model atom and the opacities at the lithium bound-free transition frequencies were calculated by the absorption mean method. For the MASKKL model atmosphere, solar Li-7 abundances of 1.08 dex (LTE) and 1.21 dex (non-LTE) are obtained. In the spectrum of the K giant 9 Boo, the Li I resonance doublet is almost saturated.
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