Cosmology from Non-Linear Weak Lensing

非线性弱透镜的宇宙学

• 批准号: 1210877
• 负责人: Zoltan Haiman
• 金额: $ 41.14万
• 依托单位: Columbia University
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2012
• 资助国家: 美国
• 起止时间: 2012-08-15 至 2017-07-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1210877&HistoricalAwards=false
• 关键词: Cosmology; Non; Linear; Weak; Lensing

The goal of this program is to develop a large suite of cosmological ray-tracing simulations to create a library of simulated maps of weak lensing by galaxies, in order to study their cosmological information content by examining and combining several different non-linear statistics. Special attention will be paid to baryonic effects and to other systematic errors, and tools will be built to best extract the cosmological information. The simulation library and emulator will be necessary to realize the full potential of the Large Synoptic Survey Telescope and other future weak lensing datasets.Broader impacts of the work include training of undergraduate and graduate students, release of simulation data, and outreach to the public via work at the Rose Center for Earth and Space at the American Museum of Natural History.

该计划的目标是开发一个大型的宇宙射线追踪模拟套件，以创建一个星系弱透镜模拟地图库，以便通过检查和结合几种不同的非线性统计来研究它们的宇宙学信息内容。 将特别注意重子效应和其他系统误差，并将建立工具以最好地提取宇宙学信息。 模拟库和模拟器对于充分发挥大型综合巡天望远镜和其他未来弱透镜数据集的潜力至关重要。这项工作的更广泛影响包括培训本科生和研究生、发布模拟数据以及通过美国自然历史博物馆罗斯地球与太空中心的工作向公众进行宣传。