Cosmic Web Reconstruction: A Unique Opportunity to Study the Cosmic Structures of the Universe

了解物质如何在宇宙中分布是开发宇宙如何演化的精确模型的关键。 研究人员将使用大样本星系中的非线性结构的映射作为大尺度结构的新指标，然后可以与其他数据进行比较。他们试图从这些数据中追踪宇宙网络。这项工作的更广泛的影响包括培训一名研究生，并通过阿勒格尼天文台的公开讲座，在线教育游戏和现有的中学生项目吸引更广泛的社区参与。这项研究将使新数据与其他宇宙学观测数据交叉关联，如重子声振荡，并研究具有细丝的内在星系形状。该小组已经开发出一种方法，用于在纯光度数据中识别灯丝，并将利用该奖项将现有原型开发成重建工具。然后，他们将该工具应用于模拟数据。

Understanding how matter is distributed in the Universe is key to developing accurate models of how it evolved. The investigators will use mapping of filamentary structures in large samples of galaxies as a new indicator of large scale structure that can then be compared to other data. They seek to trace the cosmic web from these data. Broader impacts of the work include training of a graduate student, and engagement of the broader community through public lectures at the Allegheny Observatory, online educational games, and existing programs for middle school students.The research will cross correlate the new data with other cosmological observables like Baryon Acoustic Oscillations and study intrinsic galaxy shapes with filaments. The group has developed a method for identifying filaments in purely photometric data and, with this award, will develop a pre-existing prototype into a reconstruction tool. They will then apply the tool to simulated data.