CHemical Evolution in MassIve star-forming COres (CHEMICO). II. Molecular ions, electron fraction, and cosmic-ray ionisation rate

arXiv:2610.08981 · astro-ph.GA · Submitted 2026-10-06 · Read on arXiv

astro-ph.GA

Submitted: 2026-10-06

Updated: 2026-10-06

Comments: 20 pages, 6 figures, 6 tables, 4 Appendices

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

Terminology

• Abundance — 49× in this paper · explained in 1 episode
• Core — 32× in this paper · explained in 2 episodes
• Adam — 4× in this paper · explained in 2 episodes
• Cologne Database for Molecular Spectroscopy — 2× in this paper
• Trace — 2× in this paper · explained in 2 episodes
• Ambipolar Diffusion — 1× in this paper
• Atacama Large Millimeter Array — 1× in this paper
• Calibration — 1× in this paper · explained in 7 episodes
• Degeneracy — 1× in this paper · explained in 4 episodes
• Diffusion Process — 1× in this paper · explained in 2 episodes
• Jet Propulsion Laboratory — 1× in this paper
• Metallicity — 1× in this paper · explained in 3 episodes

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