New NIR OH-based oxygen abundances for 35 VMP stars are empirically calibrated against the [OI] line to flatten the [O/Fe] vs [Fe/H] trend and improve agreement with Galactic chemical evolution models.
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Revealing {\alpha}-Element's Past with Subaru/IRD: Oxygen Abundance of 35 Very Metal-Poor Stars from Near-IR OH lines
New NIR OH-based oxygen abundances for 35 VMP stars are empirically calibrated against the [OI] line to flatten the [O/Fe] vs [Fe/H] trend and improve agreement with Galactic chemical evolution models.
- Observational Signatures and Constraints on the Intermediate Neutron-Capture Process. The Case of the CEMP star TYC 6044-714-1 (RAVE J094921.8-161722)