activity
20142026
most citedThe Atacama Cosmology Telescope: DR4 Maps and Cosmological Parameters

629 citations · 2.6k across the 24 of their papers we have counts for

collaborators

25 papers

astro-ph.CO2026

Impact and interplay of CDM analysis choices for LSST cosmic shear

N. C. Robertson, C. Heymans, J. Zuntz +9

We forecast cosmological parameter constraints for a cosmic shear analysis of the Rubin Observatory Legacy Survey of Space and Time (LSST), defining an analysis framework that can…

astro-ph.CO2025

Comparing cosmic shear nulling methods for Stage-IV surveys

Naomi Clare Robertson, Alex Hall

We present an analysis comparing nulling strategies for reducing the impact of baryon feedback on cosmic shear measurements. We consider three different approaches which aim to `nu…

astro-ph.CO2024★ 5 cited

Baryon-free tension with Stage IV cosmic shear surveys

Ottavia Truttero, Joe Zuntz, Alkistis Pourtsidou +1

Accurately modelling matter power spectrum effects at small scales, such as baryonic feedback, is essential to avoid significant bias in the estimation of cosmological parameters w…

astro-ph.CO2023★ 14 cited

Cosmology from Cross-Correlation of ACT-DR4 CMB Lensing and DES-Y3 Cosmic Shear

S. Shaikh, I. Harrison, A. van Engelen +105

Cross-correlation between weak lensing of the Cosmic Microwave Background (CMB) and weak lensing of galaxies offers a way to place robust constraints on cosmological and astrophysi…

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

ACT-DR5 Sunyaev-Zel'dovich Clusters: weak lensing mass calibration with KiDS

Naomi Clare Robertson, Cristóbal Sifón, Marika Asgari +24

We present weak gravitational lensing measurements of a sample of 157 clusters within the Kilo Degree Survey (KiDS), detected with a thermal Sunyaev-Zel'dovich (SZ) signal by…

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…

hep-ex2022★ 2 cited

Snowmass2021: Opportunities from Cross-survey Analyses of Static Probes

Eric J. Baxter, Chihway Chang, Andrew Hearin +37

Cosmological data in the next decade will be characterized by high-precision, multi-wavelength measurements of thousands of square degrees of the same patches of sky. By performing…

astro-ph.CO2022★ 92 cited

Consistent lensing and clustering in a low- Universe with BOSS, DES Year 3, HSC Year 1 and KiDS-1000

A. Amon, N. C. Robertson, H. Miyatake +105

We evaluate the consistency between lensing and clustering probes of large-scale structure based on measurements of projected galaxy clustering from BOSS combined with overlapping…

astro-ph.CO2021★ 1 cited

Lensing Without Borders. I. A Blind Comparison of the Amplitude of Galaxy-Galaxy Lensing Between Independent Imaging Surveys

A. Leauthaud, A. Amon, S. Singh +104

Lensing Without Borders is a cross-survey collaboration created to assess the consistency of galaxy-galaxy lensing signals () across different data-sets and to carry out end-to…

astro-ph.CO2021★ 42 cited

The Simons Observatory: Constraining inflationary gravitational waves with multi-tracer B-mode delensing

Toshiya Namikawa, Anton Baleato Lizancos, Naomi Robertson +32

We introduce and validate a delensing framework for the Simons Observatory (SO), which will be used to improve constraints on inflationary gravitational waves (IGWs) by reducing th…

astro-ph.CO2020★ 47 cited

Strong detection of the CMB lensingxgalaxy weak lensingcross-correlation from ACT-DR4,PlanckLegacy and KiDS-1000

Naomi Clare Robertson, David Alonso, Joachim Harnois-Déraps +48

We measure the cross-correlation between galaxy weak lensing data from the Kilo Degree Survey (KiDS-1000, DR4) and cosmic microwave background (CMB) lensing data from the Atacama C…

astro-ph.CO2020★ 24 cited

The Atacama Cosmology Telescope: Weighing distant clusters with the most ancient light

Mathew S. Madhavacheril, Cristóbal Sifón, Nicholas Battaglia +58

We use gravitational lensing of the cosmic microwave background (CMB) to measure the mass of the most distant blindly-selected sample of galaxy clusters on which a lensing measurem…

astro-ph.CO2020★ 302 cited

The Atacama Cosmology Telescope: A Catalog of > 4000 Sunyaev-Zel'dovich Galaxy Clusters

M. Hilton, C. Sifón, S. Naess +146

We present a catalog of 4195 optically confirmed Sunyaev-Zel'dovich (SZ) selected galaxy clusters detected with signal-to-noise > 4 in 13,211 deg of sky surveyed by the Atacama…

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…

astro-ph.CO2020★ 111 cited

The Atacama Cosmology Telescope: A CMB lensing mass map over 2100 square degrees of sky and its cross-correlation with BOSS-CMASS galaxies

Omar Darwish, Mathew S. Madhavacheril, Blake Sherwin +50

We construct cosmic microwave background lensing mass maps using data from the 2014 and 2015 seasons of observations with the Atacama Cosmology Telescope (ACT). These maps cover 21…

astro-ph.CO2020★ 84 cited

The Atacama Cosmology Telescope: Constraints on Cosmic Birefringence

Toshiya Namikawa, Yilun Guan, Omar Darwish +51

We present new constraints on anisotropic birefringence of the cosmic microwave background polarization using two seasons of data from the Atacama Cosmology Telescope covering $456…

astro-ph.CO2019★ 103 cited

The Atacama Cosmology Telescope: Component-separated maps of CMB temperature and the thermal Sunyaev-Zel'dovich effect

Mathew S. Madhavacheril, J. Colin Hill, Sigurd Naess +51

Optimal analyses of many signals in the cosmic microwave background (CMB) require map-level extraction of individual components in the microwave sky, rather than measurements at th…

astro-ph.CO2019★ 19 cited

A gravitational lensing detection of filamentary structures connecting luminous red galaxies

Qianli Xia, Naomi Robertson, Catherine Heymans +12

We present a weak lensing detection of filamentary structures in the cosmic web, combining data from the Kilo-Degree Survey, the Red Cluster Sequence Lensing Survey and the Canada-…

astro-ph.CO2018★ 99 cited

Weak-Lensing Mass Calibration of ACTPol Sunyaev-Zel'dovich Clusters with the Hyper Suprime-Cam Survey

Hironao Miyatake, Nicholas Battaglia, Matt Hilton +57

We present weak-lensing measurements using the first-year data from the Hyper Suprime-Cam Strategic Survey Program on the Subaru telescope for eight galaxy clusters selected throug…

astro-ph.GA2017★ 55 cited

Gravitational lensing reveals extreme dust-obscured star formation in quasar host galaxies

H. R. Stacey, J. P. McKean, N. C. Robertson +8

We have observed 104 gravitationally-lensed quasars at with Herschel/SPIRE, the largest such sample ever studied. By targeting gravitational lenses, we probe intrinsic f…

astro-ph.CO2017★ 38 cited

KiDS-450: Tomographic Cross-Correlation of Galaxy Shear with {\it Planck} Lensing

Joachim Harnois-Déraps, Tilman Tröster, Nora Elisa Chisari +14

We present the tomographic cross-correlation between galaxy lensing measured in the Kilo Degree Survey (KiDS-450) with overlapping lensing measurements of the cosmic microwave back…