On the lithium abundance determination in the atmospheres of super Li-rich carbon giants using the resonance and subordinate Li I lines. II

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Scientific paper

Problems and procedure of the lithium abundance determination in the atmospheres of superlithium C giants using the resonance Li I line λ 670.8 nm and subordinate lines λλ 812.6, 610.4, and 497.2 nm are considered. LTE and NLTE lithium abundances from these lines in the atmospheres of J stars WZ Cas log N(Li) = 4.7, 4.9 and WX Cyg (4.6, 4.8) were determined. We found that among the subordinate Li I lines the line λ 497.2 nm is the best lithium abundance indicator in the spectra of superlithium giants.

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