activity
20182026
most citedThe Simons Observatory: Science goals and forecasts

1.5k citations · 2.6k across the 31 of their papers we have counts for

collaborators

32 papers

astro-ph.IM2026

The Simons Observatory: Design and Initial Performance of the Detector Readout System for the Large-Aperture Telescope

Thomas P. Satterthwaite, Tristan Pinsonneault-Marotte, Shawn W. Henderson +34

We present the design, implementation, and initial performance of a highly multiplexed cryogenic superconducting detector readout system in the context of its deployment to the Sim…

astro-ph.IM2026

An upgraded frequency-selectable laser source (FLS) calibrator for CMB bandpass characterization

Lauren J. Saunders, Sara M. Simon, Shreya Sutariya +4

One of the biggest challenges for Cosmic Microwave Background (CMB) experiments comes from the uncertainty in instrument bandpass calibration. Uncertainties in bandpass can limit f…

astro-ph.IM2026

In-Band Scattering and Absorption of Infrared Blocking Foam Filters for Millimeter-wave Cameras

Alex Thomas, Bugao Zou, Shreya Sutariya +11

Expanded closed-cell polymer foams are widely used as thermal infrared (IR) blocking filters in millimeter-wave cameras, particularly for Cosmic Microwave Background observations.…

astro-ph.CO2026★ 2 cited

The Atacama Cosmology Telescope: A Test of the Gravitational Force Law on Cosmological Scales Using the Kinematic Sunyaev-Zeldovich Effect

Patricio A. Gallardo, Kris Pardo, Oliver H. E. Philcox +38

The mean pairwise velocity of massive halos reflects the gravitational force law on cosmic scales. We combine cosmic microwave background intensity maps from the Atacama Cosmology…

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.IM2025

The Simons Observatory: Characterization of All DC/RF Routing Wafers for Detector Modules

Alicia Middleton, Kyuyoung Bae, Cody J. Duell +11

The Simons Observatory (SO) is a cosmic microwave background experiment with over 67,000 polarization-sensitive transition-edge sensor (TES) detectors currently installed for use i…

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.IM2025★ 1 cited

The Simons Observatory: Science Goals and Forecasts for the Enhanced Large Aperture Telescope

The Simons Observatory Collaboration, M. Abitbol, I. Abril-Cabezas +419

We describe updated scientific goals for the wide-field, millimeter-wave survey that will be produced by the Simons Observatory (SO). Significant upgrades to the 6-meter SO Large A…

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.IM2024

The Simons Observatory: Design, integration, and testing of the small aperture telescopes

Nicholas Galitzki, Tran Tsan, Jake Spisak +77

The Simons Observatory (SO) is a cosmic microwave background (CMB) survey experiment that includes small-aperture telescopes (SATs) observing from an altitude of 5,200 m in the Ata…

astro-ph.IM2023★ 3 cited

The Simons Observatory: Large-Scale Characterization of 90/150 GHz TES Detector Modules

Daniel Dutcher, Shannon M. Duff, John C. Groh +14

The Simons Observatory (SO) is a cosmic microwave background instrumentation suite being deployed in the Atacama Desert in northern Chile. The telescopes within SO use three types…

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.IM2022★ 2 cited

Simons Observatory Focal-Plane Module: Detector Re-biasing With Bias-step Measurements

Yuhan Wang, Tanay Bhandarkar, Steve K. Choi +14

The Simons Observatory is a ground-based cosmic microwave background survey experiment that consists of three 0.5 m small-aperture telescopes and one 6 m large-aperture telescope,…

astro-ph.IM2022★ 10 cited

Assembly development for the Simons Observatory focal plane readout module

Erin Healy, Aamir M. Ali, Kam Arnold +28

The Simons Observatory (SO) is a suite of instruments sensitive to temperature and polarization of the cosmic microwave background (CMB) to be located at Cerro Toco in the Atacama…

astro-ph.IM2022★ 17 cited

The Simons Observatory 220 and 280 GHz Focal-Plane Module: Design and Initial Characterization

Erin Healy, Daniel Dutcher, Zachary Atkins +16

The Simons Observatory (SO) will detect and map the temperature and polarization of the millimeter-wavelength sky from Cerro Toco, Chile across a range of angular scales, providing…

astro-ph.IM2021★ 7 cited

The 90 and 150 GHz universal focal-plane modules for the Simons Observatory

Heather McCarrick, Kam Arnold, Zachary Atkins +21

The Simons Observatory (SO) is a suite of telescopes located in the Atacama Desert in Chile that will make sensitive measurements of the cosmic microwave background. There are a ho…

astro-ph.IM2021★ 4 cited

The Simons Observatory: Magnetic Shielding Measurements for the Universal Multiplexing Module

Zachary B. Huber, Yaqiong Li, Eve M. Vavagiakis +14

The Simons Observatory (SO) includes four telescopes that will measure the temperature and polarization of the cosmic microwave background using over 60,000 highly sensitive transi…

astro-ph.IM2021★ 6 cited

Simons Observatory Focal-Plane Module: In-lab Testing and Characterization Program

Yuhan Wang, Kaiwen Zheng, Zachary Atkins +20

The Simons Observatory (SO) is a ground-based cosmic microwave background instrument to be sited in the Atacama Desert in Chile. SO will deploy 60,000 transition-edge sensor bolome…

astro-ph.IM2021★ 50 cited

The Simons Observatory microwave SQUID multiplexing detector module design

Heather McCarrick, Erin Healy, Zeeshan Ahmed +56

Advances in cosmic microwave background (CMB) science depend on increasing the number of sensitive detectors observing the sky. New instruments deploy large arrays of superconducti…

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…