The Isotopic and Elemental Abundances of Planet-Host Star TRAPPIST-1

arXiv:2608.26097 · astro-ph.SR, astro-ph.EP · Submitted 2026-08-26 · Read on arXiv

astro-ph.SR, astro-ph.EP

Submitted: 2026-08-26

Updated: 2026-10-05

Code: https://github.com/jruffio/breads

Terminology

• Abundance — 45× in this paper · explained in 1 episode
• Metallicity — 19× in this paper · explained in 3 episodes
• Calibration — 5× in this paper · explained in 7 episodes
• Benchmark — 3× in this paper · explained in 2 episodes
• Degeneracy — 3× in this paper · explained in 3 episodes
• Trace — 3× in this paper · explained in 2 episodes
• Core — 2× in this paper · explained in 2 episodes
• Forward modeling — 1× in this paper · explained in 2 episodes
• Society of Photo-Optical Instrumentation Engineers — 1× in this paper

Sources

• pyROX: Rapid Opacity X-sections
• First JWST thermal phase curves of temperate terrestrial exoplanets reveal no thick atmosphere around TRAPPIST-1 b and c
• The ESO SupJup Survey. X. A carbon isotope contrast in the young ROXs 12 system
• The SPHINX M dwarf Spectral Grid. II. New Model Atmospheres and Spectra to Derive Fundamental Properties of mid-to-late type M-dwarfs
• New 12C/13C and 14N/15N isotopic ratio measurements in Jupiter's stratosphere revealed by ALMA
• MagAO: Status and on-sky performance of the Magellan adaptive optics system
• JWST-TST High Contrast: Achieving direct spectroscopy of faint substellar companions next to bright stars with the NIRSpec IFU
• Jupiter-like uniform metal enrichment in a system of multiple giant exoplanets

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