Challenges and techniques for simulating line emission

Karen P. Olsen, Andrea Pallottini, Aida Wofford, Marios Chatzikos, Mitchell Revalski, Francisco Guzmán, Gergö Popping, Enrique Vázquez-Semadeni, Georgios E. Magdis, Mark L.A. Richardson, Michaela Hirschmann, William J. Gray

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

Modeling emission lines from the millimeter to the UV and producing synthetic spectra is crucial for a good understanding of observations, yet it is an art filled with hazards. This is the proceedings of "Walking the Line", a 3-day conference held in 2018 that brought together scientists working on different aspects of emission line simulations, in order to share knowledge and discuss the methodology. Emission lines across the spectrum from the millimeter to the UV were discussed, with most of the focus on the interstellar medium, but also some topics on the circumgalactic medium. The most important quality of a useful model is a good synergy with observations and experiments. Challenges in simulating line emission are identified, some of which are already being worked upon, and others that must be addressed in the future for models to agree with observations. Recent advances in several areas aiming at achieving that synergy are summarized here, from micro-physical to galactic and circum-galactic scale.

Original languageEnglish
Article number100
JournalGalaxies
Volume6
Issue number4
DOIs
StatePublished - Sep 20 2018

Bibliographical note

Publisher Copyright:
© 2018 by the authors.

Keywords

  • AGN
  • CGM
  • Galaxies
  • Hydrodynamic simulations
  • ISM
  • Line emission
  • Radiative transfer
  • Simulation

ASJC Scopus subject areas

  • Astronomy and Astrophysics

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