未来大巡天宇宙红外和亚毫米背景的模拟：I。Herschel/SPIRE和Planck/HFI的介绍和首次应用
Simulations of the cosmic infrared and submillimeter background for future large surveys: I. Presentation and first application to Herschel/SPIRE and Planck/HFI
摘要：
即将到来的普朗克和赫歇尔任务将以前所未有的角度尺度和灵敏度调查天空。为了更好地解释调查结果和测试新方法，源提取和组分分离。我们提出了新的模拟红外和亚毫米宇宙背景，包括红外星系之间的相关性。这些模拟被用来量化Herschel/SPIRE和Planck/HFI的源探测阈值，以及研究宇宙红外背景相关涨落的可探测性。模拟是基于红外星系演化的经验模型。对于相关性，我们只包括线性聚类，假设红外星系是暗物质波动密度场的有偏示踪剂。我们使用不同偏置参数的模拟来预测Herschel/SPIRE和Planck/HFI的混淆噪声以及完整性水平。我们还讨论了Planck/HFI功率谱中线性聚类的可检测性，包括前景和背景分量。模拟地图和目录可在http://www.ias.u-psud.fr/irgalaxies/simulations.php网站上公开获取
英文摘要：
The coming Planck and Herschel missions will survey the sky at unprecedented angular scales and sensitivities. Simulations are needed for better interpretating the results of the surveys and for testing new methods of, e.g., source extraction and component separation. We present new simulations of the infrared and submillimeter cosmic background, including the correlation between infrared galaxies. The simulations were used to quantify the source-detection thresholds for Herschel/SPIRE and Planck/HFI, as well as to study the detectability of the cosmic infrared background correlated fluctuations. The simulations are based on an empirical model of IR galaxy evolution. For the correlations, we only included the linear clustering, assuming that infrared galaxies are biased tracers of the dark-matter fluctuation density field. We used the simulations with different bias parameters to predict the confusion noise for Herschel/SPIRE and Planck/HFI and the completeness levels. We also discuss the detectability of the linear clustering in Planck/HFI power spectra, including the foreground and backgrounds components. Simulated maps and catalogs are publicly available online at http://www.ias.u-psud.fr/irgalaxies/simulations.php
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
