H2 emission in the Orion Bar, NGC7023 and the Horsehead Nebula observed with the James Webb Space Telescope

arXiv:2609.31287 · astro-ph.GA · Submitted 2026-09-25 · Read on arXiv

astro-ph.GA

Submitted: 2026-09-25

Updated: 2026-09-25

Code: https://github.com/mpound/pdrtpy

Terminology

• Abundance — 7× in this paper · explained in 1 episode
• Data Fusion — 7× in this paper · explained in 3 episodes
• Aperture — 5× in this paper · explained in 1 episode
• Calibration — 5× in this paper · explained in 7 episodes
• Trace — 5× in this paper · explained in 2 episodes
• James Webb Space Telescope — 4× in this paper
• Absorption Cross Section — 1× in this paper · explained in 1 episode
• Calibration References Data System — 1× in this paper
• Early Release Science — 1× in this paper
• Guaranteed Time Observation — 1× in this paper
• Infrared Space Observatory — 1× in this paper
• Point Spread Function — 1× in this paper

Sources

• One Relation for All Wavelengths: The Far-Ultraviolet to Mid-Infrared Milky Way Spectroscopic R(V) Dependent Dust Extinction Relationship
• A JWST survey of the Trapezium Cluster & inner Orion Nebula. I. Observations & overview
• H$_2$ formation on interstellar dust grains: the viewpoints of theory, experiments, models and observations

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