Theoretically modelling photoionised regions with fractal geometry in three-dimension

Yifei Jin, Lisa Kewley, Ralph Sutherland

    Research output: Contribution to journalArticlepeer-review


    Accurate predictions of the physics of interstellar medium (ISM) are vital for understanding galaxy formation and evolution. Modelling photoionized regions with complex geometry produces realistic ionization structures within the nebulae, providing the necessary physical predictions to interpret observational data. 3D photoionization codes built with Monte Carlo techniques provide powerful tools to produce the ionizing radiation field with fractal geometry. We present a high-resolution Monte Carlo modelling of a nebula with fractal geometry, and will further show how nebular geometry influences the emission-line behaviours. Our research has important implications for studies of emission-line ratios in high redshift galaxies.

    Original languageEnglish
    Pages (from-to)71-72
    Number of pages2
    JournalProceedings of the International Astronomical Union
    Publication statusPublished - 2020


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