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Explore a groundbreaking demonstration of cosmic microwave background (CMB) lensing analysis using daytime observational data from the Atacama Cosmology Telescope in this 16-minute conference talk. Learn how researchers have successfully extracted CMB lensing signals from data collected during daylight hours, representing a significant advancement in observational cosmology techniques. Discover the innovative methodologies and data processing approaches that enable the detection of gravitational lensing effects on the CMB even when traditional nighttime observations are not available. Understand the implications of this breakthrough for expanding observational windows and improving the efficiency of CMB surveys, particularly in challenging observational environments like the Atacama Desert. Gain insights into the technical challenges overcome in filtering out atmospheric and instrumental effects that typically make daytime CMB observations difficult, and examine how this approach could revolutionize future cosmological surveys by maximizing telescope utilization time.
