PRISM: A Non-Equilibrium, Multiphase Interstellar Medium Model for Radiation Hydrodynamics Simulations of Galaxies

We introduce the PRISM interstellar medium (ISM) model for thermochemistry and its implementation in the RAMSES-RTZ code. The model includes a non-equilibrium primordial, metal, and molecular chemistry network for 115 species coupled to on-the-fly multifrequency radiation transport. PRISM accurately...

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Veröffentlicht in:	arXiv.org 2022-11
Hauptverfasser:	Katz, Harley, Liu, Shenghua, Kimm, Taysun, Rey, Martin P, Andersson, Eric P, Cameron, Alex J, Rodriguez-Montero, Francisco, Agertz, Oscar, Devriendt, Julien, Slyz, Adrianne
Format:	Artikel
Sprache:	eng
Schlagworte:	Astrochemistry Astronomical models Cooling Cosmic rays Coupling (molecular) Dwarf galaxies Emission Equilibrium Heating Interstellar matter Metallicity Molecular clouds Photoelectricity Radiation Radiation transport Simulation Star & galaxy formation Star formation Thermochemistry Vapor phases
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Zusammenfassung:	We introduce the PRISM interstellar medium (ISM) model for thermochemistry and its implementation in the RAMSES-RTZ code. The model includes a non-equilibrium primordial, metal, and molecular chemistry network for 115 species coupled to on-the-fly multifrequency radiation transport. PRISM accurately accounts for the dominant ISM cooling and heating processes in the low-density regime (i.e. \(\rho
ISSN:	2331-8422