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astro-ph.SR2026
Carbon in J0815+4729: Casting A Shadow of Doubt on the Interpretation of CH Absorption in the Most Primitive Stars
Junbo Zhang, Carlos Allende Prieto, Yeisson Osorio +7
We revisit the carbon abundance in the primitive iron-poor star J0815+4729 ([Fe/H] 5.49). J0815+4729 is so carbon-enhanced and oxygen-rich that, in addition to CH and C$_{2}…
astro-ph.SR2026
A Systematic NLTE Study of Very Metal-Poor Stars with Metallicity Down to dex. II. Lithium Abundance and New Insight to the Lithium Plateau
Hong-Liang Yan, Jinxiao Qin, Shuai Liu +12
Metal-poor stars are crucially important for understanding the early Galaxy, first stars, and the Universe. In this series of papers, we present a homogeneous non-local thermodynam…