Annulé : New windows in the submillimeter sky with the CCAT Observatory
Mike Niemack
Cornell University

The CCAT Observatory is building the Fred Young Submillimeter Telescope,a novel, high-throughput, 6-meter aperture telescope, to enable a widerange of new measurements. The science goals include: understandinggalaxy formation through line-intensity mapping of cosmic reionization,measuring the Milky Way for galactic science and to characterize cosmicmicrowave background (CMB) foregrounds, detecting astronomical transients,and more. The Observatory is nearly complete at 5600 meters on CerroChajnantor, Chile. The complementarity of CCAT and CMB observatories willbe highlighted and recent results from the Atacama Cosmology Telescopewill be presented. CCAT will make the most sensitive submillimetermeasurements over a broad range of scales with its first high-throughputscience receiver: Prime-Cam. This camera is designed to support over 10^5kinetic inductance detectors and enable over 10x faster mapping speedthan previous submillimeter observatories from 0.3 ? 1.1 mm (280 ?850 GHz). We describe the project and instrument status, plans for earlyscience observations starting in 2026, and possible future line-intensitymapping upgrades to probe cosmology.

Date:	Mardi, le 9 décembre 2025
Heure:	15:30
Lieu:	Université McGill
	Ernest Rutherford Physics, R.E. Bell Conference Room (room 103)