标题： 宇宙SPH模拟中高红移星系的红外辐射 显示英文标题

标题： Infrared Emission from High-Redshift Galaxies in Cosmological SPH Simulations

摘要： 我们通过将宇宙学平滑粒子流体动力学模拟的结果与Silva等人开发的恒星人口综合代码`GRASIL’相结合，计算了高红移星系的红外（IR）辐射。基于每个恒星颗粒的恒星质量、金属丰度和形成时间，我们估计了每个恒星颗粒从紫外到红外的完整谱能量分布，并计算了模拟星系在斯皮策太空望远镜宽波段滤光片中的光度函数，以便直接与现有的斯皮策观测结果进行比较。 显示英文摘要

摘要： 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 population synthesis code `GRASIL' by Silva et al. Based on the stellar mass, metallicity and formation time of each star particle, we estimate the full spectral energy distribution of each star particle from ultraviolet to IR, and compute the luminosity function of simulated galaxies in the Spitzer broadband filters for direct comparison with the available Spitzer observations.