Testing Cosmology with Dark Energy Survey and the Legacy Survey of Space and Time

用暗能量巡天和遗留时空巡天测试宇宙学

• 批准号: 2903942
• 金额: --
• 依托单位: University of Portsmouth
• 依托单位国家: 英国
• 项目类别: Studentship
• 财政年份: 2023
• 资助国家: 英国
• 起止时间: 2023 至 无数据
• 项目状态: 未结题
• 来源: https://gtr.ukri.org/projects?ref=studentship-2903942
• 关键词: Testing; Cosmology; Dark; Energy; Survey

Testing Cosmology with the Dark Energy Survey and the Legacy Survey of Space and Time We are at a crossroads for observational cosmology. Will the standard cosmological model suffice to account for current and forthcoming observations, or do we need a modified or new model? The Dark Energy Survey is in its final stages, and there is the opportunity to contribute to its ultimate measurements of cosmological parameters, using a combination of galaxy clustering and gravitational lensing. In this PhD project, the student will begin by joining the DES effort to measure cosmology in the DES Y6 key project. After this apprenticeship, the student will use their growing experience in measuring cosmological quantities with clustering and lensing to make some of the first cosmological measurements in the Dark Energy Science Collaboration, within the Legacy Survey of Space and Time with the Vera Rubin Observatory.

用暗能量巡天和遗留时空巡天测试宇宙学 我们正处于观测宇宙学的十字路口。标准宇宙学模型是否足以解释当前和即将到来的观测，或者我们是否需要修改或新的模型？暗能量巡天正处于最后阶段，我们有机会结合使用星系团和引力透镜来为其宇宙学参数的最终测量做出贡献。在这个博士项目中，学生将首先加入 DES Y6 关键项目中的 DES 测量宇宙学工作。学徒期结束后，学生将利用他们在通过聚类和透镜测量宇宙学量方面不断积累的经验，在暗能量科学合作项目中与维拉鲁宾天文台一起进行空间和时间遗产调查中的一些首次宇宙学测量。