Metamorphoses of carbon and oxygen in protoplanetary discs: how chemistry and radial drift transform inner disc C/O ratios

arXiv:2605.31091 · astro-ph.EP, astro-ph.SR · Submitted 2026-05-29 · Read on arXiv

Tamara Molyarova, Richard A. Booth, Catherine Walsh

astro-ph.EP, astro-ph.SR

Submitted: 2026-05-29

Comments: 21 pages, 9 figures, accepted to MNRAS

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Abundance — 62× in this paper · explained in 1 episode
• Metallicity — 8× in this paper · explained in 3 episodes
• Core — 6× in this paper · explained in 2 episodes
• Adam — 3× in this paper · explained in 2 episodes
• James Webb Space Telescope — 2× in this paper
• Trace — 1× in this paper · explained in 2 episodes

Sources

• Turning the knobs on dust evolution: Comparing codes, parameters and their effects on planet formation and disc observables
• MINDS. The influence of outer dust disc structure on the volatile delivery to the inner disc
• How leaky? A large parameter study of leaky dust traps to quantify the transport of pebbles and ice in protoplanetary discs
• Methanol emission tracing ice chemistry and dust evolution in the TW Hya protoplanetary disk
• Demographics of young stars and their protoplanetary disks: lessons learned on disk evolution and its connection to planet formation
• Water vapor emission at the warm cavity wall of the HD 100546 disk as revealed by ALMA
• JWST Reveals Carbon-rich Chemistry in a Transitional Disk

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