Speaker
Dr
Andrei Cuceu
(LBNL)
Description
The Dark Energy Spectroscopic Instrument (DESI) is conducting a 5-year redshift survey of 40 million extra-galactic sources over 14,000 square degrees of the northern sky. One of its primary goals is to measure the cosmic expansion history across a wide range of redshifts using baryon acoustic oscillations (BAO). In this talk, I will present the latest DESI BAO results, which are based on the first three years of data. I will begin with an introduction to DESI and walk through the various steps of the analysis, from collecting galaxy spectra to making accurate and precise BAO measurements.