collaborators

9 papers

astro-ph.CO2025

Robust CMB B-mode analysis with Needlet-ILC and simulation-based inference

Adriaan J. Duivenvoorden, Kristen Surrao, Adrian E. Bayer +4

We explore a novel analysis framework for parameter inference with large-scale CMB polarization data. Our method uses simulation-based inference combined with the needlet internal…

astro-ph.CO2025

The Simons Observatory: forecasted constraints on primordial gravitational waves with the expanded array of Small Aperture Telescopes

The Simons Observatory Collaboration, I. Abril-Cabezas, S. Adachi +479

We present updated forecasts for the scientific performance of the degree-scale (0.5 deg FWHM at 93 GHz), deep-field survey to be conducted by the Simons Observatory (SO). By 2027,…

astro-ph.CO2025

The Atacama Cosmology Telescope: DR6 Power Spectrum Foreground Model and Validation

Benjamin Beringue, Kristen M. Surrao, J. Colin Hill +28

We discuss the model of astrophysical emission at millimeter wavelengths used to characterize foregrounds in the multi-frequency power spectra of the Atacama Cosmology Telescope (A…

astro-ph.CO2025

Minimizing Contaminant Leakage in Internal Linear Combination Maps Using a Data-Driven Approach

Kristen M. Surrao, Shivam Pandey, J. Colin Hill +1

The thermal Sunyaev-Zel'dovich (tSZ) effect, the inverse-Compton scattering of cosmic microwave background (CMB) photons off high-energy electrons, is a powerful probe of hot, ioni…

astro-ph.CO2025

CLASS_SZ II: Notes and Examples of Fast and Accurate Calculations of Halo Model, Large Scale Structure and Cosmic Microwave Background Observables

Boris Bolliet, Aleksandra Kusiak, Fiona McCarthy +16

These notes are very much work-in-progress and simply intended to showcase, in various degrees of details (and rigour), some of the cosmology calculations that class_sz can do. We…

cs.AI2025

Open Source Planning & Control System with Language Agents for Autonomous Scientific Discovery

Licong Xu, Milind Sarkar, Anto I. Lonappan +23

We present a multi-agent system for automation of scientific research tasks, cmbagent (https://github.com/CMBAgents/cmbagent). The system is formed by about 30 Large Language Model…