[Astro] Fwd: School of Physics and Astronomy Colloquium [In-person]

[Omar Almaini]

Hi everyone

A reminder that all PhD students are expected to attend School Colloquia.

Best wishes

Omar

Begin forwarded message:

From: PP-PAtoHoS <PP-PAtoHoS at exmail.nottingham.ac.uk>
Date: 26 March 2025 at 09:36:22 GMT
Subject: School of Physics and Astronomy Colloquium [In-person]

School of Physics and Astronomy Colloquium
Wednesday 26th March 2025 • B13 Physics • 3:00-4:00pm
Refreshments served in C10 after the Colloquium

New maps and cosmological results
from the Atacama Cosmology Telescope

Professor Jo Dunkley
Princeton University

Abstract

I will show new results from the Atacama Cosmology Telescope (ACT), including cosmological constraints and data products from the sixth data release, DR6. Using data gathered from 2017 - 2022, the new maps cover 40% of the microwave sky with five times the angular resolution and three times the depth in polarization as the Planck satellite. The improved cosmic microwave background (CMB) measurements at small scales complement the larger-scale information from
Planck. I will describe how we use these datasets, along with tracers of large-scale-structure, to probe the fundamental physics of the universe across epochs and scales.



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