Oxygen isotopic ratio in open cluster RGB stars: A new method for accurate mass and age estimations

arXiv:2610.11404 · astro-ph.SR · Submitted 2026-10-08 · Read on arXiv

astro-ph.SR

Submitted: 2026-10-08

Updated: 2026-10-08

Code: https://github.com/bertrandplez/Turbospectrum2019

Terminology

• Abundance — 47× in this paper · explained in 1 episode
• Metallicity — 16× in this paper · explained in 3 episodes
• Core — 6× in this paper · explained in 2 episodes
• Benchmark — 3× in this paper · explained in 2 episodes
• Calibration — 2× in this paper · explained in 7 episodes
• Robustness — 2× in this paper · explained in 5 episodes
• Degeneracy — 1× in this paper · explained in 3 episodes

Sources

• The Absolute Age of the Open Cluster NGC 6791 and Its Implications for Galactic Archaeology and Asteroseismic Calibration
• TESS Asteroseismology of Red Giants in the Old Metal-Rich Open Clusters NGC 188 & NGC 6791
• Asteroseismic ages for 17,000 stars in Kepler, K2 and TESS

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