The JWST Proto-PAH project: Aromatic backbones with extensive aliphatic substitution account for both the aromatic and aliphatic emission

arXiv:2609.30598 · astro-ph.GA, astro-ph.SR · Submitted 2026-09-24 · Read on arXiv

astro-ph.GA, astro-ph.SR

Submitted: 2026-09-24

Updated: 2026-09-24

Terminology

• Metallicity — 5× in this paper · explained in 3 episodes
• Abundance — 2× in this paper · explained in 1 episode
• Trace — 2× in this paper · explained in 2 episodes
• Cooperation — 1× in this paper · explained in 2 episodes
• Degeneracy — 1× in this paper · explained in 3 episodes
• Large Magellanic Cloud — 1× in this paper
• Medium Resolution Spectrometer — 1× in this paper
• Polycyclic aromatic hydrocarbons (PAHs) — 1× in this paper · explained in 2 episodes
• Small Magellanic Cloud — 1× in this paper

Sources

• Growth of Aromatic Hydrocarbon Dust Particles in the Extremely Metal-poor Galaxy Sextans A

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