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Matt Hilton (University of the Witwatersrand)6/24/25, 9:00 AMPlenary Session
The Atacama Cosmology Telescope (ACT) conducted an arcmin resolution survey of the southern sky at millimetre wavelengths from 2008-2022. In this talk I will present an update on the ACT search for galaxy clusters using the redshift independent Sunyaev-Zel'dovich (SZ) effect, using data from the full ACT survey, covering 15,000 square degrees. The final ACT Data Release 6 (DR6) cluster catalog...
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Lindsey Bleem (Argonne National Laboratory/KICP)6/24/25, 9:20 AMPlenary Session
The South Pole Telescope (SPT) is a 10-meter millimeter-wavelength telescope located at the geographic South Pole, one of the world’s premier sites for millimeter-wave observations. The SPT has been used to conduct several generations of wide-field high resolution cosmic microwave background (CMB) surveys including the 2500-square-degree SPT-SZ survey, the SPTpol 500d and ECS surveys, and the...
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Sebastian Bocquet (LMU Munich)6/24/25, 9:40 AMLong Plenary Session
The abundance of galaxy clusters, the clustering of galaxies, and weak gravitational lensing are key observables of the cosmic large-scale structure. Over the past decade, tremendous progress was made in obtaining high-precision measurements, notably thanks to sensitive wide-field surveys of the cosmic microwave background and of galaxies and gravitational lensing. The abundance of clusters...
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Stefano Ettori (INAF-OAS Bologna)6/26/25, 11:10 AMLong Plenary Session
The Cluster HEritage project with XMM-Newton - Mass Assembly and Thermodynamics at the Endpoint of structure formation (CHEX-MATE) is a three-mega-second Multi-Year Heritage Programme to obtain X-ray observations of a minimally-biased, signal-to-noise-limited sample of 118 galaxy clusters detected by Planck through the Sunyaev–Zeldovich effect. The programme aims to study the ultimate products...
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Frederic Mayet (Univ. Grenoble Alpes)6/26/25, 11:40 AMPlenary Session
The NIKA2 camera operating at the IRAM 30-m telescope has unique performance for the resolved observation of the Sunyaev-Zel’dovich effect towards galaxy clusters. As part of the NIKA2 guaranteed-time, the SZ Large Program (LPSZ) is devoted to the high-angular resolution SZ mapping of a representative sample of SZ-selected clusters, at intermediate to high redshift, drawn from the catalogues...
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Erwin Lau (CfA)6/26/25, 12:00 PMPlenary Session
We present the latest development of "Baryon Pasting", a novel framework that adopts a physics-based approach for forward-modeling SZ and X-ray observations of galaxy clusters and groups. Baryon Pasting enables efficient exploration of the vast astrophysical and cosmological parameter space required for current and upcoming millimeter-wave surveys, such as the Simons Observatory and CMB-S4,...
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Florian Keruzore (Argonne National Laboratory)6/26/25, 12:20 PMPlenary Session
Post-processing techniques emulating baryonic physics in gravity-only simulations are a cornerstone of modern cosmology. In particular, predicting the thermodynamic properties of the intracluster gas is necessary to exploit these simulations for galaxy cluster cosmology in the millimeter-wave and X-ray domains. In this talk, I will introduce picasso, a model to predict thermodynamic properties...
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Dr Abigail Crites (Cornell)6/26/25, 3:30 PMLong Plenary Session
Line intensity mapping has emerged as a promising method of probing large-scale structure and star formation over cosmic time. At mm wavelengths there are a number of lines including [CII] and CO which are being targeted by current and upcoming experiments. Measuring [CII] in the 200-300 GHz range will allow us to probe the Epoch of Reionization, while the measurement of CO in these wavelength...
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Adam Anderson (Fermi National Accelerator Laboratory)6/26/25, 4:00 PMPlenary Session
The Shirokoff Line-Intensity Mapper (SPT-SLIM) is a mm-wavelength, superconducting on-chip spectrometer observing redshifted CO in the 2mm atmospheric window using the 10-meter South Pole Telescope (SPT). The instrument was recently deployed for the first time during the 2024-2025 austral summer season at South Pole, where it conducted a short two-week observing campaign. We will present an...
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Delaney Dunne (California Institute of Technology)6/26/25, 4:20 PMPlenary Session
Line Intensity Mapping, LIM, is an emerging observational technique that measures the integrated emission from galaxies as fluctuations in a 3D cosmic volume. By doing so, it aims to fill a key gap in studies of cosmology and galaxy formation – LIM data cubes are sensitive to the emission from all galaxies in a population, even the very faintest. LIM experiments can thus study the evolution of...
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