Widespread Detection of Aromatic and Aliphatic Emission in the Dual Quasar J0749+2255 at Cosmic Noon

arXiv:2607.03913 · astro-ph.GA · Submitted 2026-07-04 · Read on arXiv

C. E. Mentzer, Aigen Li, X. J. Yang

astro-ph.GA

Submitted: 2026-07-04

Comments: 19 pages, 6 figures; accepted for publication in The Astrophysical Journal Letters

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

Terminology

• Aperture — 41× in this paper · explained in 1 episode
• Core — 23× in this paper · explained in 2 episodes
• AGN — 6× in this paper · explained in 1 episode
• Aperture Photometry — 3× in this paper · explained in 1 episode
• Calibration — 2× in this paper · explained in 7 episodes
• James Webb Space Telescope — 2× in this paper
• Large Magellanic Cloud — 2× in this paper
• Infrared Space Observatory — 1× in this paper
• MIRI Integral Field Unit — 1× in this paper
• Signal-to-noise ratio (SNR) — 1× in this paper · explained in 2 episodes
• Trace — 1× in this paper · explained in 2 episodes

Sources

• Near-infrared diagnostic diagrams of the gas ionization sources in nearby galaxies: a JWST NIRSpec view

Related papers

• Apparent Stability in Self-Gravitating Turbulence and the Evolution of Molecular Clouds
• Two sets of potential-density basis pairs for the study of radial perturbations in collisionless spherical stellar systems
• Constraining reionization-era Ly alpha escape with JELS-MUSE: a highly complete H alpha-selected sample at z about6.1
• Deriving volume density profiles of filaments from observed surface densities
• Little Red Dots and Supermassive Black Hole Seed Formation in Ultralight Dark Matter Halos
• MEGATRON: how the first stars can create an iron metallicity plateau in the smallest dwarf galaxies