activity
20162026
most citedThe Simons Observatory: Science goals and forecasts

1.5k citations · 3.6k across the 42 of their papers we have counts for

collaborators

43 papers

astro-ph.IM2026

QUIJOTE scientific results - XX. Commissioning and First Results from the Thirty and Forty Gigahertz Instrument (TFGI)

M. Fernández-Torreiro, J. A. Rubiño-Martín, R. T. Génova-Santos +16

We present the commissioning and first results of the Thirty and Forty Gigahertz Instrument (TFGI), which observes the sky at 31 and 41 GHz with angular resolutions of 21' and 18'…

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.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★ 3 cited

The Atacama Cosmology Telescope: Quantifying Atmospheric Emission above Cerro Toco

Thomas W. Morris, Elia Battistelli, Ricardo Bustos +17

At frequencies below 1 Hz, fluctuations in atmospheric emission in the Chajnantor region in northern Chile are the primary source of interference for bolometric millimeter-wave obs…

astro-ph.IM2024★ 1 cited

A physical optics characterization of the beam shape and sidelobe levels for the Atacama Large Aperture Submillimeter Telescope (AtLAST)

Roberto Puddu, Patricio A. Gallardo, Tony Mroczkowski +8

(abridged) The Atacama Large Aperture Submillimeter Telescope (AtLAST) is undergoing a design study for a large (50 meter) single-dish submm-wavelength Ritchey-Chrétien telescope t…

astro-ph.IM2024

Overview of the Optical Design of the CMB-S4 Large Aperture Telescopes and Camera Optics

Patricio A. Gallardo, Kathleen Harrington, Roberto Puddu +8

CMB-S4, the next-generation CMB observatory, will deploy hundreds of thousands of detectors to enable mapping the millimeter-wavelength sky with unprecedented speed. The large aper…

astro-ph.IM2024★ 2 cited

The Optical Design Concept for the Atacama Large Aperture Submillimeter Telescope (AtLAST)

Patricio A. Gallardo, Roberto Puddu, Tony Mroczkowski +6

The Atacama Large Aperture Submillimeter Telescope (AtLAST) aims to be the premier next generation large diameter (50-meter) single dish observatory capable of observations across…

astro-ph.IM2024★ 2 cited

Technical requirements flow-down for the concept design of the novel 50-meter Atacama Large Aperture Submm Telescope (AtLAST)

Matthias Reichert, Martin Timpe, Hans Kaercher +7

The Atacama Large Aperture Submm Telescope (AtLAST) is a concept for a novel 50-meter class single-dish telescope operating at sub-millimeter and millimeter wavelengths (30-950 GHz…

astro-ph.IM2024★ 24 cited

The conceptual design of the 50-meter Atacama Large Aperture Submillimeter Telescope (AtLAST)

Tony Mroczkowski, Patricio A. Gallardo, Martin Timpe +23

The (sub)millimeter sky contains a vast wealth of information that is both complementary and inaccessible to other wavelengths. Over half the light we receive is observable at (sub…

astro-ph.IM2023★ 7 cited

Freeform three-mirror anastigmatic large-aperture telescope and receiver optics for CMB-S4

Patricio A. Gallardo, Roberto Puddu, Kathleen Harrington +14

CMB-S4, the next-generation ground-based cosmic microwave background (CMB) observatory, will provide detailed maps of the CMB at millimeter wavelengths to dramatically advance our…

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.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.HE2023★ 6 cited

The Atacama Cosmology Telescope: Flux Upper Limits from a Targeted Search for Extragalactic Transients

Carlos Hervías-Caimapo, Sigurd Naess, Adam D. Hincks +20

We have performed targeted searches of known extragalactic transient events at millimetre wavelengths using nine seasons (2013--2021) of 98, 150, and 229\,GHz Atacama Cosmology Tel…

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…

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.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.IM2021★ 22 cited

QUBIC IV: Performance of TES Bolometers and Readout Electronics

M. Piat, G. Stankowiak, E. S. Battistelli +126

A prototype version of the Q & U bolometric interferometer for cosmology (QUBIC) underwent a campaign of testing in the laboratory at Astroparticle Physics and Cosmology laboratory…

astro-ph.IM2020★ 45 cited

QUBIC I: Overview and ScienceProgram

J. -Ch. Hamilton, L. Mousset, E. S. Battistelli +127

The Q U Bolometric Interferometer for Cosmology (QUBIC) is a novel kind of polarimeter optimized for the measurement of the B-mode polarization of the Cosmic Microwave Backgro…