CCA Colloquium: Jo Dunkley

Date & Time

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Title: The Millimeter Sky from the Atacama Cosmology Telescope

Abstract: I will show maps of the millimeter sky as seen by the Atacama Cosmology Telescope, and describe how they are advancing our knowledge of cosmology, through a refined measurement of the Cosmic Microwave Background, as well as providing a new window on the millimeter sky. I will show how the data let us weigh in on the LCDM cosmological model, while also providing a sample of thousands of galaxy clusters, and revealing the distribution of dark matter, and the gas around groups of galaxies. These arcminute-resolution maps of the sky, and future refinements with Simons Observatory and CMB-S4, promise to not only test cosmology but also teach us about the Galactic interstellar medium, blazars, and the transient millimeter sky.

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