Monday, February 22, 2021 at 12:40

https://cuboulder.zoom.us/j/96981439846

Jo Dunkley, Princeton

"The Millimetre Sky from the Atacama Cosmology Telescope"

Abstract:

I will show new maps of the sky using data from 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 millimetre 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 invisible mass and the distribution of gas around groups of galaxies. These new arcminute-resolution maps of the sky, and future refinements with next-generation observations, promise to not only test cosmology but also teach us about the Galactic interstellar medium, blazars, and the transient millimetre sky.

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