activity
20182026
most citedThe Simons Observatory: Science goals and forecasts

1.5k citations · 2.5k across the 24 of their papers we have counts for

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19 papers · 1 filter

astro-ph.CO2026

A GPU-Accelerated JAX Framework for Robust Parametric Component Separation and Clustering Optimization for CMB Polarization Satellites

Wassim Kabalan, Arianna Rizzieri, Wuhyun Sohn +6

We present a novel, JAX-powered implementation of a parametric component-separation method for CMB polarization data, explicitly designed to handle spatially varying foreground Spe…

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★ 8 cited

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★ 2 cited

The Atacama Cosmology Telescope: DR6 Maps

Sigurd Naess, Yilun Guan, Adriaan J. Duivenvoorden +163

We present Atacama Cosmology Telescope (ACT) Data Release 6 (DR6) maps of the Cosmic Microwave Background temperature and polarization anisotropy at arcminute resolution over three…

astro-ph.CO2025★ 14 cited

The Atacama Cosmology Telescope: DR6 Constraints on Extended Cosmological Models

Erminia Calabrese, J. Colin Hill, Hidde T. Jense +169

We use new cosmic microwave background (CMB) primary temperature and polarization anisotropy measurements from the Atacama Cosmology Telescope (ACT) Data Release 6 (DR6) to test fo…

astro-ph.CO2025★ 11 cited

The Atacama Cosmology Telescope: DR6 Power Spectra, Likelihoods and CDM Parameters

Thibaut Louis, Adrien La Posta, Zachary Atkins +165

We present power spectra of the cosmic microwave background (CMB) anisotropy in temperature and polarization, measured from the Data Release 6 maps made from Atacama Cosmology Tele…

astro-ph.CO2024

The Simons Observatory: component separation pipelines for B-modes

Kevin Wolz, Susanna Azzoni, Carlos Hervías-Caimapo +5

The upcoming Simons Observatory (SO) Small Aperture Telescopes aim at observing the degree-scale anisotropies of the polarized CMB to constrain the primordial tensor-to-scalar rati…

astro-ph.CO2024

Exploring the discrepancy between Planck PR3 and ACT DR4

Dhiraj Kumar Hazra, Benjamin Beringue, Josquin Errard +2

We explore the scales and the extent of disagreement between PR3 and Atacama Cosmology Telescope (ACT) DR4 data. and ACT data have substantial overlap in the temp…

astro-ph.CO2024★ 4 cited

The Simons Observatory: impact of bandpass, polarization angle and calibration uncertainties on small-scale power spectrum analysis

S. Giardiello, M. Gerbino, L. Pagano +17

We study the effects due to mismatches in passbands, polarization angles, and temperature and polarization calibrations in the context of the upcoming cosmic microwave background e…

astro-ph.CO2023★ 3 cited

The Atacama Cosmology Telescope: High-resolution component-separated maps across one-third of the sky

William R. Coulton, Mathew S. Madhavacheril, Adriaan J. Duivenvoorden +151

Observations of the millimeter sky contain valuable information on a number of signals, including the blackbody cosmic microwave background (CMB), Galactic emissions, and the Compt…

astro-ph.CO2023★ 347 cited

The Atacama Cosmology Telescope: DR6 Gravitational Lensing Map and Cosmological Parameters

Mathew S. Madhavacheril, Frank J. Qu, Blake D. Sherwin +156

We present cosmological constraints from a gravitational lensing mass map covering 9400 sq. deg. reconstructed from CMB measurements made by the Atacama Cosmology Telescope (ACT) f…

astro-ph.CO2023★ 280 cited

The Atacama Cosmology Telescope: A Measurement of the DR6 CMB Lensing Power Spectrum and its Implications for Structure Growth

Frank J. Qu, Blake D. Sherwin, Mathew S. Madhavacheril +155

We present new measurements of cosmic microwave background (CMB) lensing over sq. deg. of the sky. These lensing measurements are derived from the Atacama Cosmology Telescop…

astro-ph.CO2022★ 1 cited

Estimating the Impact of foregrounds on the Future Detection of Rayleigh scattering

Yijie Zhu, Benjamin Beringue, Steve K. Choi +3

Rayleigh scattering of the cosmic microwave background (CMB) by neutral hydrogen shortly after recombination leaves frequency-dependent imprints on intensity and polarization fluct…

astro-ph.CO2022★ 11 cited

Snowmass2021 Cosmic Frontier: Cosmic Microwave Background Measurements White Paper

Clarence L. Chang, Kevin M. Huffenberger, Bradford A. Benson +128

This is a solicited whitepaper for the Snowmass 2021 community planning exercise. The paper focuses on measurements and science with the Cosmic Microwave Background (CMB). The CMB…

astro-ph.CO2021★ 101 cited

CCAT-prime Collaboration: Science Goals and Forecasts with Prime-Cam on the Fred Young Submillimeter Telescope

Prime collaboration, M. Aravena, J. E. Austermann +84

We present a detailed overview of the science goals and predictions for the Prime-Cam direct detection camera/spectrometer being constructed by the CCAT-prime collaboration for ded…

astro-ph.CO2020★ 7 cited

The primordial information content of Rayleigh Anisotropies

William R. Coulton, Benjamin Beringue, P. Daniel Meerburg

Anisotropies in the cosmic microwave background (CMB) are primarily generated by Thomson scattering of photons by free electrons. Around recombination, the Thomson scattering proba…

astro-ph.CO2020★ 8 cited

Cosmology with Rayleigh Scattering of the Cosmic Microwave Background

Benjamin Beringue, P. Daniel Meerburg, Joel Meyers +1

The cosmic microwave background (CMB) has been a treasure trove for cosmology. Over the next decade, current and planned CMB experiments are expected to exhaust nearly all primary…

astro-ph.CO2019★ 7 cited

Science from an Ultra-Deep, High-Resolution Millimeter-Wave Survey

Neelima Sehgal, Ho Nam Nguyen, Joel Meyers +66

Opening up a new window of millimeter-wave observations that span frequency bands in the range of 30 to 500 GHz, survey half the sky, and are both an order of magnitude deeper (abo…

astro-ph.CO2018★ 1.5k cited

The Simons Observatory: Science goals and forecasts

The Simons Observatory Collaboration, Peter Ade, James Aguirre +247

The Simons Observatory (SO) is a new cosmic microwave background experiment being built on Cerro Toco in Chile, due to begin observations in the early 2020s. We describe the scient…