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A comparative study on three modes of s-process nucleosynthesis in extremely metal-poor AGB stars
S. Yamada, T. Suada, Y. Komiya +2
Carbon-enhanced metal-poor (CEMP) stars in the Galactic halo have a wide range of neutron-capture element abundance patterns. To identify their origin, we investigated three modes…
Are Faint Supernovae Responsible for Carbon-Enhanced Metal-Poor Stars?
Yutaka Komiya, Takuma Suda, Shimako Yamada +1
Mixing and fallback models in faint supernova models are supposed to reproduce the abundance patterns of observed carbon-enhanced metal-poor (CEMP) stars in the Galactic halo. A fi…
The most iron-deficient stars as the polluted population III stars
Yutaka Komiya, Takuma Suda, Masayuki Y. Fujimoto
We investigate the origin of the most iron-poor stars including SMSS J031300.36-670839.3 with [Fe/H] < -7.52. We compute the change of surface metallicity of stars with the accreti…