Dr. Elisabeth Krause, University of Arizona
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Abstract: Over the next decade, large galaxy surveys will map billions of galaxies and probe cosmic structure formation with high statistical precision. This talk will focus on the opportunities and challenges of cosmological analyses in the presence of complex systematic effects using recent results from the Dark Energy Survey as pathfinder examples. I will introduce the landscape of current and near future wide-field galaxy surveys and the different measurement techniques used by these experiments. I will describe the validation of measurements and modeling from pixels to cosmology and give an outlook on cosmology analysis plans and challenges for future, much larger experiments such as Rubin Observatory and Roman Space Telescope.
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