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Infrared Emission from High-Redshift Galaxies in Cosmological SPH Simulations
Kentaro Nagamine, Tae Song Lee, Jun-Hwan Choi
We compute the infrared (IR) emission from high-redshift galaxies in cosmological smoothed particle hydrodynamics simulations by coupling the output of the simulation with the popu…
Effects of Ultraviolet Background and Local Stellar Radiation on the H_I Column Density Distribution
Kentaro Nagamine, Jun-Hwan Choi, Hidenobu Yajima
We study the impact of ultraviolet background (UVB) radiation field and the local stellar radiation on the H_I column density distribution f(N_HI) of damped Ly-alpha systems (DLAs)…
Luminosity Distribution of Gamma-Ray Burst Host Galaxies at redshift z=1 in Cosmological Smoothed Particle Hydrodynamic Simulations: Implications for the Metallicity Dependence of GRBs
Yuu Niino, Jun-Hwan Choi, Masakazu A. R. Kobayashi +3
We study the relationship between the metallicity of gamma-ray burst (GRB) progenitors and the probability distribution function (PDF) of GRB host galaxies as a function of luminos…
Large-Scale Outflows from AGN: a link between central black holes and galaxies
Daniel Proga, Ryuichi Kurosawa, Kentaro Nagamine
We summarize the results from numerical simulations of mass outflows from AGN. We focus on simulations of outflows driven by radiation from large-scale inflows. We discuss the prop…
Escape fraction of ionizing photons from high-redshift galaxies in cosmological SPH simulations
Hidenobu Yajima, Jun-Hwan Choi, Kentaro Nagamine
Combing the three-dimensional radiative transfer (RT) calculation and cosmological SPH simulations, we study the escape fraction of ionizing photons (f_esc) of high-redshift galaxi…
Multicomponent and Variable Velocity Galactic Outflow in Cosmological Hydrodynamic Simulations
Jun-Hwan Choi, Kentaro Nagamine
We develop a new ``Multicomponent and Variable Velocity'' (MVV) galactic outflow model for cosmological smoothed particle hydrodynamic (SPH) simulations. The MVV wind model reflect…