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Theoretically modelling photoionised regions with fractal geometry in three-dimension

Published online by Cambridge University Press:  04 June 2020

Yifei Jin
Affiliation:
Research School of Astronomy & Astrophysics, The Australian National University, Cotter Road, Weston Creek, 2611, ACT, Australia email: Yifei.Jin@anu.edu.au
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Abstract

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.

Type
Contributed Papers
Copyright
© International Astronomical Union 2020

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References

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