activity
20182025
most citedThe Simons Observatory: Science goals and forecasts

1.5k citations · 3.6k across the 30 of their papers we have counts for

collaborators

30 papers

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.IM2024

The Simons Observatory: laboratory beam characterization for the first small aperture telescope

Remington G. Gerras, Thomas Alford, Michael J. Randall +10

The Simons Observatory is a ground-based telescope array located at an elevation of 5200 meters, in the Atacama Desert in Chile, designed to measure the temperature and polarizatio…

astro-ph.IM2024★ 1 cited

Simons Observatory: Pre-deployment Performance of a Large Aperture Telescope Optics Tube in the 90 and 150 GHz Spectral Bands

Carlos E. Sierra, Kathleen Harrington, Shreya Sutariya +42

The Simons Observatory will map the temperature and polarization over half of the sky, at millimeter wavelengths in six spectral bands from the Atacama Desert in Chile. These data…

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.IM2023★ 5 cited

The Simons Observatory: Beam characterization for the Small Aperture Telescopes

Nadia Dachlythra, Adriaan J. Duivenvoorden, Jon E. Gudmundsson +27

We use time-domain simulations of Jupiter observations to test and develop a beam reconstruction pipeline for the Simons Observatory Small Aperture Telescopes. The method relies on…

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.CO2023★ 22 cited

The Atacama Cosmology Telescope: Map-Based Noise Simulations for DR6

Zachary Atkins, Adriaan J. Duivenvoorden, William R. Coulton +25

The increasing statistical power of cosmic microwave background (CMB) datasets requires a commensurate effort in understanding their noise properties. The noise in maps from ground…

astro-ph.IM2022★ 5 cited

Conceptual Design of the Modular Detector and Readout System for the CMB-S4 survey experiment

D. R. Barron, Z. Ahmed, J. Aguilar +47

We present the conceptual design of the modular detector and readout system for the Cosmic Microwave Background Stage 4 (CMB-S4) ground-based survey experiment. CMB-S4 will map the…

astro-ph.IM2022★ 11 cited

The Simons Observatory: Characterizing the Large Aperture Telescope Receiver with Radio Holography

Grace E. Chesmore, Kathleen Harrington, Carlos E. Sierra +23

We present near-field radio holography measurements of the Simons Observatory Large Aperture Telescope Receiver optics. These measurements demonstrate that radio holography of comp…

cs.LG2022★ 1 cited

Predicting Winners of the Reality TV Dating Show Using Machine Learning Algorithms

Abigail J. Lee, Grace E. Chesmore, Kyle A. Rocha +3

is a reality TV dating show in which a single bachelor selects his wife from a pool of approximately 30 female contestants over eight weeks of filming (Amer…

astro-ph.CO2022★ 12 cited

Snowmass 2021 CMB-S4 White Paper

Kevork Abazajian, Arwa Abdulghafour, Graeme E. Addison +353

This Snowmass 2021 White Paper describes the Cosmic Microwave Background Stage 4 project CMB-S4, which is designed to cross critical thresholds in our understanding of the origin a…

astro-ph.IM2021★ 21 cited

The Atacama Cosmology Telescope: Measurement and Analysis of 1D Beams for DR4

Marius Lungu, Emilie R. Storer, Matthew Hasselfield +28

We describe the measurement and treatment of the telescope beams for the Atacama Cosmology Telescope's fourth data release, DR4. Observations of Uranus are used to measure the cent…

astro-ph.IM2021

The Simons Observatory: HoloSim-ML: machine learning applied to the efficient analysis of radio holography measurements of complex optical systems

Grace E. Chesmore, Alexandre E. Adler, Nicholas F. Cothard +14

Near-field radio holography is a common method for measuring and aligning mirror surfaces for millimeter and sub-millimeter telescopes. In instruments with more than a single mirro…

astro-ph.IM2021★ 13 cited

The Simons Observatory: the Large Aperture Telescope (LAT)

Zhilei Xu, Shunsuke Adachi, Peter Ade +57

The Simons Observatory (SO) is a Cosmic Microwave Background (CMB) experiment to observe the microwave sky in six frequency bands from 30GHz to 290GHz. The Observatory -- at …

astro-ph.CO2021★ 29 cited

The Atacama Cosmology Telescope: Summary of DR4 and DR5 Data Products and Data Access

Maya Mallaby-Kay, Zachary Atkins, Simone Aiola +57

Two recent large data releases for the Atacama Cosmology Telescope (ACT), called DR4 and DR5, are available for public access. These data include temperature and polarization maps…

astro-ph.IM2021★ 48 cited

The Simons Observatory Large Aperture Telescope Receiver

Ningfeng Zhu, Tanay Bhandarkar, Gabriele Coppi +68

The Simons Observatory (SO) Large Aperture Telescope Receiver (LATR) will be coupled to the Large Aperture Telescope located at an elevation of 5,200 m on Cerro Toco in Chile. The…

astro-ph.IM2021★ 5 cited

The Integration and Testing Program for the Simons Observatory Large Aperture Telescope Optics Tubes

Kathleen Harrington, Carlos Sierra, Grace Chesmore +18

The Simons Observatory (SO) will be a cosmic microwave background (CMB) survey experiment with three small-aperture telescopes and one large-aperture telescope, which will observe…

astro-ph.IM2020★ 25 cited

The Simons Observatory: Metamaterial Microwave Absorber (MMA) and its Cryogenic Applications

Zhilei Xu, Grace E. Chesmore, Shunsuke Adachi +26

Controlling stray light at millimeter wavelengths requires special optical design and selection of absorptive materials that should be compatible with cryogenic operating environme…

astro-ph.IM2020★ 31 cited

The Simons Observatory: Modeling Optical Systematics in the Large Aperture Telescope

Jon E. Gudmundsson, Patricio A. Gallardo, Roberto Puddu +35

We present geometrical and physical optics simulation results for the Simons Observatory Large Aperture Telescope. This work was developed as part of the general design process for…

astro-ph.CO2020★ 271 cited

The Atacama Cosmology Telescope: A Measurement of the Cosmic Microwave Background Power Spectra at 98 and 150 GHz

Steve K. Choi, Matthew Hasselfield, Shuay-Pwu Patty Ho +136

We present the temperature and polarization angular power spectra of the CMB measured by the Atacama Cosmology Telescope (ACT) from 5400 deg of the 2013-2016 survey, which cove…

astro-ph.CO2020★ 629 cited

The Atacama Cosmology Telescope: DR4 Maps and Cosmological Parameters

Simone Aiola, Erminia Calabrese, Loïc Maurin +138

We present new arcminute-resolution maps of the Cosmic Microwave Background temperature and polarization anisotropy from the Atacama Cosmology Telescope, using data taken from 2013…