Silicate Clouds, SiO, and Molecular Trends across the L-T Sequence: A JWST/MIRI LRS Spectral Library of Brown Dwarfs

arXiv:2607.15521 · astro-ph.SR, astro-ph.EP · Submitted 2026-07-17 · Read on arXiv

Sam Barber, Stanimir Metchev, Genaro Suárez, Samantha Lambier, Paulo A. Miles-Páez, Étienne Artigau, Beth Biller, Adam J. Burgasser, Jacqueline Faherty, Gregory Mace, Caroline V. Morley, Johanna M. Vos

Western University Department of Physics and Astronomy · Western University Institute for Earth and Space Exploration · American Museum of Natural History Department of Astrophysics · Western University Institute for Earth and Space Exploration · CSIC-INTA Centro de Astrobiologia · Observatoire du Mont-Mégantic · University of Edinburgh Centre for Exoplanet Science · University of California San Diego Department of Astronomy & Astrophysics · American Museum of Natural History Department of Astrophysics · University of Texas at Austin Department of Astronomy · University of Texas at Austin Department of Astronomy · Trinity College Dublin School of Physics

astro-ph.SR, astro-ph.EP

Submitted: 2026-07-17

Comments: 18 pages, 16 figures. Accepted for publication in MNRAS

Journal ref: Mon Not R Astron Soc (2026)

DOI: 10.1093/mnras/stag1387

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

Terminology

• Trace — 4× in this paper · explained in 2 episodes
• Adam — 1× in this paper · explained in 2 episodes
• Analyzer — 1× in this paper · explained in 1 episode
• Anti-correlation — 1× in this paper · explained in 3 episodes
• Aperture — 1× in this paper · explained in 1 episode
• Benchmark — 1× in this paper · explained in 2 episodes
• Canadian Space Agency — 1× in this paper
• Consistency — 1× in this paper · explained in 3 episodes
• Hubble Space Telescope — 1× in this paper
• Low Resolution Spectroscopy — 1× in this paper
• Spectral Signature — 1× in this paper · explained in 2 episodes

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• The Identification of CS2 and Evidence for Carbon-Sulfur Chemical Coupling in a Warm Giant Exoplanet Atmosphere

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