Unveiling True Galaxy Abundance Evolution at z=6-15 with Precision Simulations and Analysis

通过精确模拟和分析揭示 z=6-15 处真实的星系丰度演化

• 批准号: 1515389
• 负责人: Renyue Cen
• 金额: $ 76.44万
• 依托单位: Princeton University
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2015
• 资助国家: 美国
• 起止时间: 2015-09-01 至 2018-08-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1515389&HistoricalAwards=false
• 关键词: Unveiling; True; Galaxy; Abundance; Evolution

The aim of the proposal is to conduct cutting-edge computersimulations to help understand the increasingly rich observations ofthe young Universe. The simulations will study the damage wrought bythe brilliant life and explosive death of the first stars. Thematerial between the stars is cooked by intense, high-energy radiationand the simulations will study the consequences of thatcooking. Particles of dark, non-radiating matter respond to the forceof gravity, so dark matter could influence the formation of the firststars and galaxies. The simulations will study how this influencedepends on the mass assumed for these poorly-understood particles.Comparisons between the simulations and the growing body of ground-and space-based observations of the young Universe will significantlystrengthen the inferences drawn from those observations. The newsimulations will be suitably visualized and shown to the public in theIMAX theatre of the Rose-Hayden Planetarium of the American Museum ofNatural History in New York City. Prior videos from this team havebeen featured daily in that venue, making it an effective point ofpublic access especially for young viewers.

该提案的目的是进行最先进的计算机模拟，以帮助了解年轻宇宙日益丰富的观察结果。这些模拟将研究第一批恒星的辉煌生命和爆炸性死亡所造成的损害。恒星之间的材料是通过强烈的高能辐射来烹饪的，模拟将研究cooking的后果。深色，非辐射物质的颗粒对重力的力作出反应，因此暗物质可能会影响第一星和星系的形成。这些模拟将研究这如何影响这些较差的粒子所假定的质量。仿真与年轻宇宙的地面和太空观测体之间不断增长的体体之间的质量，将显着增长从这些观察结果中得出的推论。这些新闻模仿将被适当地可视化，并在纽约市美国自然历史上的玫瑰式海湾天文馆的Theimax剧院展示。该团队的先前视频每天都在该场所举办，这使其成为公开访问的有效观点，尤其是对于年轻的观众而言。