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HEP-Astro Seminar | Testing LCDM with Weak Lensing and Galaxy Statistics in the Dark Energy Survey

Niall MacCrann (Ohio State University)
Monday, November 19, 2018
4:00-5:00 PM
335 West Hall Map
We can use the statistics of observed galaxy properties in large photometric imaging surveys to probe the Universe's underlying physics. One of the observational programs aiming to do this is the Dark Energy Survey (DES), currently taking its sixth and final year of data. The data undoubtedly contains unprecedented amounts of information on the structure of the Universe at z~<1, but extracting that information robustly is challenging! I'll discuss some of the methodology associated with the recent cosmological constraints inferred from the first year of data, and then give a broad overview of improvements currently being developed for the next cosmological analyses. I'll focus in detail on a couple of examples which take advantage of some neat statistical methods.
Building: West Hall
Event Type: Workshop / Seminar
Tags: Physics, Science
Source: Happening @ Michigan from Department of Physics, HEP - Astro Seminars