activity
20182026
most citedThe Simons Observatory: Science goals and forecasts

1.5k citations · 3.2k across the 72 of their papers we have counts for

collaborators

75 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

The Simons Observatory: Commissioning of the Mid-Frequency Small Aperture Telescopes

Kathleen Harrington, Remington Gerras, Nicholas Galitzki +88

The Simons Observatory (SO) is a cosmic microwave background (CMB) survey experiment observing from an altitude of 5,200 m in the Atacama Desert in Chile. The SO Small Aperture Tel…

astro-ph.CO2026

Sensitive 3mm Imaging of Discrete Sources in the Fields of X-ray-Selected Galaxy Clusters

Simon R Dicker, Mark Devlin, Luca Di Mascolo +9

In this paper, we present the results of a blind survey for compact sources in 138 galaxy clusters from the eFEDS X-ray survey. Of these clusters, 96 are new observations. These ta…

astro-ph.IM2026

Continuous Ultra-Low-Frequency Solar Radio Monitoring with ALBATROS from the High Arctic

Aman Chokshi, Mohan Agrawal, Christopher Barbarie +18

In the Canadian High Arctic, nearly five months of continuous daylight enable uninterrupted low-frequency solar monitoring. We present the first solar science results from the Arra…

astro-ph.IM2026

The Simons Observatory: Improved Cryogenic Struts for use in the Large Aperture Telescope Receiver

John Orlowski-Scherer, Anna Kofman, Tanay Bhandarkar +5

The Simons Observatory Large Aperture Telescope Receiver (SO LATR) is a next generation Cosmic Microwave Background camera equipped with > 60, 000 detectors operating at 100 mK. Ma…

astro-ph.GA2026

ALMA Central Molecular Zone Exploration Survey (ACES) II: 3mm continuum images

Adam Ginsburg, Daniel L. Walker, Ashley T. Barnes +69

The ALMA Central Molecular Zone Exploration Survey, ACES, has mapped square arcminutes at 3 mm toward the center of our Galaxy. ACES provides the first large-scale, h…

astro-ph.IM2026

The Simons Observatory: On-sky performance of radio-transparent multi-layer insulation (RT-MLI) using Styroace-II Styrofoam

Samuel Day-Weiss, Nicholas Galitzki, Atsuto Takeuchi +14

We present the on-sky performance of a Radio-Transparent Multi-Layer Insulation filter (RT-MLI) that uses Styroace-II styrofoam to reject ambient thermal radiation from entering a…

astro-ph.CO2026

A high-dynamic-range view of the growth of structure and the warm/hot Universe

Luca Di Mascolo, Tony Mroczkowski, Joshiwa van Marrewijk +23

Baryons heat to temperatures above as they accrete onto massive overdensities -- galaxies, groups, clusters, and filaments -- where they ionize and become o…

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

Serendipitous and targeted mm/sub-mm transient searches with wide-FOV telescope

Karri Koljonen, Claudio Ricci, Thomas Stanke +4

The millimeter/sub-millimeter (mm/sub-mm) sky remains a rich but under-explored frontier for transient and variable phenomena. A wide-field, high-sensitivity instrument with a larg…

astro-ph.IM2025

The Simons Observatory: Development of a Pipeline to Detect Rapid Transients in Time-Ordered Data

Justin Clancy, Carlo Baccigalupi, Carlo Bacciagalupi +15

We introduce a method for detecting astrophysical transients evolving on timescales of milliseconds to minutes using cosmic microwave background (CMB) survey telescopes. While prev…

astro-ph.CO2025

The thermal and kinematic Sunyaev-Zeldovich effect in galaxy clusters and filaments using multifrequency temperature maps of the cosmic microwave background: Abell 399--Abell 401 cluster pair case study

Ajay S. Gill, Yilun Guan, Adam D. Hincks +19

We present a multifrequency and multi-instrument methodology to study the physical properties of galaxy clusters and cosmic filaments using cosmic microwave background observations…

astro-ph.HE2025

Exploring a Cosmic-Ray Inverse-Compton Origin to the SZ-to-X-Ray Pressure Deficit in the Cool Core Cluster ZwCl 3146

Emily M. Silich, Jack Sayers, Philip F. Hopkins +4

We explore the possibility that inverse-Compton (IC) scattering of cosmic microwave background photons by GeV cosmic rays (CRs) injected by the central active galactic nucleu…

astro-ph.EP2025

The Atacama Cosmology Telescope: Release of A databaSe of millimeTeR ObservatioNs of Asteroids Using acT (ASTRONAUT)

Ricco C. Venterea, John Orlowski-Scherer, Nicholas Battaglia +7

We present A databaSe of millimeTeR ObservatioNs of Asteroids Using acT (ASTRONAUT) hosted on Amazon Web Services, Inc. (AWS) in the form of a public Amazon Simple Storage Service…

astro-ph.HE2025

A Search for Millimeter-Bright Blazars as Astrophysical Neutrino Sources

R. Abbasi, M. Ackermann, J. Adams +424

The powerful jets of blazars have been historically considered as likely sites of high-energy cosmic-ray acceleration. However, particulars of the launched jet and the locations of…

astro-ph.CO2025★ 10 cited

The Atacama Cosmology Telescope: DR6 Sunyaev-Zel'dovich Selected Galaxy Clusters Catalog

HSC Collaboration, M. Aguena, S. Aiola +98

We present the results of a search for galaxy clusters in the Atacama Cosmology Telescope (ACT) Data Release 6 (DR6) microwave sky maps covering 16293 square degrees in three frequ…

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

The Atacama Cosmology Telescope: Machine Learning Driven Tools for Detecting Millimeter Sources in Timestream Pre-processing

Simran K. Nerval, Erika Hornecker, Yilun Guan +14

We present a new pipeline utilizing machine learning for classifying short-duration features in raw time-ordered data (TOD) of cosmic microwave background survey observations. The…

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.IM2025★ 1 cited

Simons Observatory: Characterization of the Large Aperture Telescope Receiver

Tanay Bhandarkar, Saianeesh K. Haridas, Jeff Iuliano +41

The Simons Observatory (SO) is a ground-based cosmic microwave background (CMB) survey experiment that currently consists of three 0.42m small-aperture telescopes (SATs) and one 6m…

astro-ph.CO2024

The Atacama Cosmology Telescope: A census of bridges between galaxy clusters

G. Isopi, V. Capalbo, A. D. Hincks +27

According to CMB measurements, baryonic matter constitutes about of the mass-energy density of the universe. A significant population of these baryons, for a long time referr…

astro-ph.HE2024★ 2 cited

The Atacama Cosmology Telescope: Systematic Transient Search of Single Observation Maps

Emily K. Biermann, Yaqiong Li, Sigurd Naess +24

We conduct a systematic search for astrophysical transients using data from the Atacama Cosmology Telescope (ACT). The data were taken from 2017 to 2022 in three frequency bands sp…