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Cosmology Seminar- Using the combination of CMB and LSS datasets to understand our Universe

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Thursday, May 02, 2024
2:00 pm - 3:00 pm
Yuuki Omori
Cosmology Seminar Series

Measurements of the anisotropies in the cosmic microwave background (CMB) radiation have provided an immense amount of information about the contents and evolution of our Universe, as well as the various astrophysical objects that exist within it. Furthermore, it has been demonstrated that the combination of CMB and large-scale structure (LSS) survey data can not only be used to extract cosmological constraints that are more robust against systematic effects, but can also be used to extract unique astrophysical information that is not accessible using either survey alone. In this talk, I will present recent results obtained by combining CMB data from the South Pole Telescope SZ (SPT-SZ) survey and LSS data from the Dark Energy Survey (DES). I will discuss some of the challenges we face when performing such cross-survey analyses and introduce Agora, a simulation set designed specifically for analyses involving both CMB and LSS observables. Finally, I will briefly describe the ongoing efforts to analyze the latest data from the SPT-3G survey.