Biosignature detectability on transiting habitable worlds with ELT/ANDES

arXiv:2607.12017 · astro-ph.EP, astro-ph.IM · Submitted 2026-07-13 · Read on arXiv

E. Kurzawa-Ferrandez, A. Bello-Arufe, R. Hu

astro-ph.EP, astro-ph.IM

Submitted: 2026-07-13

Comments: 31 pages, 8 figures. Accepted by AAS journals

Code: https://github.com/EvannKurzawa/ANDES-Forecast

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

Terminology

• Transmission spectroscopy — 6× in this paper · explained in 2 episodes
• ANDES Exposure Time Calculator — 5× in this paper
• Abundance — 4× in this paper · explained in 1 episode
• Aperture — 4× in this paper · explained in 1 episode
• Bayesian Framework — 4× in this paper · explained in 3 episodes
• Core — 4× in this paper · explained in 2 episodes
• Society of Photo-Optical Instrumentation Engineers — 4× in this paper
• Extremely Large Telescope — 3× in this paper
• Accuracy — 1× in this paper · explained in 1 episode
• Active Regions — 1× in this paper · explained in 1 episode
• Calibration — 1× in this paper · explained in 7 episodes
• European Southern Observatory — 1× in this paper
• Trace — 1× in this paper · explained in 2 episodes

Sources

• Probing the Limits of Habitability: A Catalog of Rocky Exoplanets in the Habitable Zone
• Kepler-62f: Kepler's First Small Planet in the Habitable Zone, but Is It Real?
• First JWST thermal phase curves of temperate terrestrial exoplanets reveal no thick atmosphere around TRAPPIST-1 b and c
• Exoplaneteers Keep Overestimating Sigma Significances
• Matrix Inversion Using Cholesky Decomposition
• A Community Science Case for E-ELT HIRES
• The Sys-Rem Detrending Algorithm: Implementation and Testing
• TSD: An inverse problem approach for recovering the exoplanetary atmosphere transmission spectrum from high-resolution spectroscopy

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