activity
20082026
most citedThe Simons Observatory: Science goals and forecasts

1.5k citations · 5.1k across the 71 of their papers we have counts for

collaborators

74 papers

astro-ph.CO2026

The Atacama Cosmology Telescope: DR6 Constraints on Isotropic Time-Dependent Cosmic Birefringence from Axion-like Particles

Zachary B. Huber, Huajian Yang, Steve K. Choi +7

Axion-like particles (ALPs) with sufficiently low masses are dark matter candidates because they could account for much or all of the observed dark matter energy density and help e…

astro-ph.CO2026

FOSSIL: A future mission for CMB spectral distortion measurements

N. Aghanim, B. Maffei, J. Aumont +96

We present FOSSIL, a proposed space mission which is designed to deliver unprecedented absolute spectroscopic measurements of the sky intensity over a broad frequency range (50GHz…

astro-ph.IM2024★ 11 cited

Optical modeling of systematic uncertainties in detector polarization angles for the Atacama Cosmology Telescope

Colin C. Murphy, Steve K. Choi, Rahul Datta +10

We present an estimate of the Atacama Cosmology Telescope (ACT) detector polarization angle systematic uncertainty from optics perturbation analysis using polarization-sensitive ra…

astro-ph.CO2024★ 8 cited

The Atacama Cosmology Telescope: A search for late-time anisotropic screening of the Cosmic Microwave Background

William R. Coulton, Theo Schutt, Abhishek S. Maniyar +37

Since the formation of the first stars, most of the gas in the Universe has been ionized. Spatial variations in the density of this ionized gas generate cosmic microwave background…

astro-ph.CO2023★ 12 cited

XLSSC 122 caught in the act of growing up: Spatially resolved SZ observations of a z=1.98 galaxy cluster

J. van Marrewijk, L. Di Mascolo, A. S. Gill +18

How protoclusters evolved from sparse galaxy overdensities to mature galaxy clusters is still not well understood. In this context, detecting and characterizing the hot ICM at high…

astro-ph.GA2023

Cosmological shocks around galaxy clusters: A coherent investigation with DES, SPT & ACT

D. Anbajagane, C. Chang, E. J. Baxter +111

We search for signatures of cosmological shocks in gas pressure profiles of galaxy clusters using the cluster catalogs from three surveys: the Dark Energy Survey (DES) Year 3, the…

astro-ph.GA2023

The Atacama Cosmology Telescope: Galactic Dust Structure and the Cosmic PAH Background in Cross-correlation with WISE

Rodrigo Córdova Rosado, Brandon S. Hensley, Susan E. Clark +15

We present a cross-correlation analysis between resolution total intensity and polarization observations from the Atacama Cosmology Telescope (ACT) at 150 and 220 GHz and 15$'…

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

Cosmological constraints from the tomography of DES-Y3 galaxies with CMB lensing from ACT DR4

G. A. Marques, M. S. Madhavacheril, O. Darwish +92

We present a measurement of the cross-correlation between the MagLim galaxies selected from the Dark Energy Survey (DES) first three years of observations (Y3) and cosmic microwave…

astro-ph.EP2023★ 3 cited

The Atacama Cosmology Telescope: Millimeter Observations of a Population of Asteroids or: ACTeroids

John Orlowski-Scherer, Ricco Venterea, Nicholas Battaglia +24

We present fluxes and light curves for a population of asteroids at millimeter (mm) wavelengths, detected by the Atacama Cosmology Telescope (ACT) over 18, 000 deg2 of the sky usin…

astro-ph.CO2023★ 16 cited

The Kinematic Sunyaev-Zel'dovich Effect with ACT, DES, and BOSS: a Novel Hybrid Estimator

M. Mallaby-Kay, S. Amodeo, J. C. Hill +80

The kinematic and thermal Sunyaev-Zel'dovich (kSZ and tSZ) effects probe the abundance and thermodynamics of ionized gas in galaxies and clusters. We present a new hybrid estimator…

astro-ph.CO2023★ 4 cited

The Atacama Cosmology Telescope: Mitigating the impact of extragalactic foregrounds for the DR6 CMB lensing analysis

Niall MacCrann, Blake D. Sherwin, Frank J. Qu +47

We investigate the impact and mitigation of extragalactic foregrounds for the CMB lensing power spectrum analysis of Atacama Cosmology Telescope (ACT) data release 6 (DR6) data. Tw…

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.SR2023★ 16 cited

The Atacama Cosmology Telescope: Systematic Transient Search of 3-Day Maps

Yaqiong Li, Emily Biermann, Sigurd Naess +34

We conduct a systematic search for transients in three years of data (2017-2019) from the Atacama Cosmology Telescope (ACT). ACT covers 40 percent of the sky at three bands spannin…

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★ 16 cited

Large-scale power loss in ground-based CMB mapmaking

Sigurd Naess, Thibaut Louis

CMB mapmaking relies on a data model to solve for the sky map, and this process is vulnerable to bias if the data model cannot capture the full behavior of the signal. We demonstra…

astro-ph.IM2022

Wide Field High Cadence CMB Survey Designs for Chilean Telescopes

Haruki Ebina, Reijo Keskitalo, Julian Borrill +5

We present new wide field survey strategies for Chilean Large Aperture Telescopes (LAT) measuring the Cosmic Microwave Background (CMB), which we call Sinusoidal Modulated High Cad…

astro-ph.CO2022★ 39 cited

Snowmass2021 CMB-HD White Paper

HD Collaboration, Simone Aiola, Yashar Akrami +61

CMB-HD is a proposed millimeter-wave survey over half the sky that would be ultra-deep (0.5 uK-arcmin) and have unprecedented resolution (15 arcseconds at 150 GHz). Such a survey w…

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★ 134 cited

The Atacama Cosmology Telescope: Constraints on Pre-Recombination Early Dark Energy

J. Colin Hill, Erminia Calabrese, Simone Aiola +40

The early dark energy (EDE) scenario aims to increase the value of the Hubble constant () inferred from cosmic microwave background (CMB) data over that found in CDM, via t…

astro-ph.CO2021★ 2 cited

Observations of compact sources in galaxy clusters using MUSTANG2

Simon R. Dicker, Elia S. Battistelli, Tanay Bhandarkar +26

Compact sources can cause scatter in the scaling relationships between the amplitude of the thermal Sunyaev-Zel'dovich Effect (tSZE) in galaxy clusters and cluster mass. Estimates…