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Jun 23 – 27, 2025
Eckhardt Research Center
America/Chicago timezone

A CMB view of DESI galaxies

Jun 25, 2025, 10:00 AM
20m
161 (Eckhardt Research Center)

161

Eckhardt Research Center

5640 South Ellis Ave, Chicago, IL 60637
Plenary Session Plenary

Speaker

Dr Simone Ferraro (Lawrence Berkeley National Laboratory / UC Berkeley)

Description

Abstract: Information about the late-time Universe is imprinted on the small-scale CMB as photons travel to us from the surface of last scattering. Several processes are at play and small-scale fluctuations are very rich and non-Gaussian in nature. I will review some recent and exciting results that use the Sunyaev-Zel'dovich (SZ) effects and gravitational lensing to paint a full picture of the visible and dark matter in and around DESI galaxies. I will discuss how a combination of measurements can probe velocity fields at cosmological distances and inform us on galaxy energetics. I will also show recent measurements of weak lensing of the CMB and its cross-correlation with DESI, and how they can help us interpret intriguing discrepancies in cosmological parameters between the high and low redshift Universe.

Would you be interested in presenting a poster if the conference is oversubcribed? No

Primary author

Dr Simone Ferraro (Lawrence Berkeley National Laboratory / UC Berkeley)

Presentation materials

There are no materials yet.