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20002025
most citedThe Atacama Cosmology Telescope: DR4 Maps and Cosmological Parameters

629 citations

Showing astro-ph.COShow all

33 papers · 1 filter

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.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.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.CO2016★ 135 cited

The Atacama Cosmology Telescope: Two-Season ACTPol Lensing Power Spectrum

Blake D. Sherwin, Alexander van Engelen, Neelima Sehgal +43

We report a measurement of the power spectrum of cosmic microwave background (CMB) lensing from two seasons of Atacama Cosmology Telescope Polarimeter (ACTPol) CMB data. The CMB le…

astro-ph.CO2016★ 218 cited

The Atacama Cosmology Telescope: Two-Season ACTPol Spectra and Parameters

Thibaut Louis, Emily Grace, Matthew Hasselfield +80

We present the temperature and polarization angular power spectra measured by the Atacama Cosmology Telescope Polarimeter (ACTPol). We analyze night-time data collected during 2013…

astro-ph.CO2016★ 98 cited

Detection of the pairwise kinematic Sunyaev-Zel'dovich effect with BOSS DR11 and the Atacama Cosmology Telescope

F. De Bernardis, S. Aiola, E. M. Vavagiakis +55

We present a new measurement of the kinematic Sunyaev-Zeldovich effect using data from the Atacama Cosmology Telescope (ACT) and the Baryon Oscillation Spectroscopic Survey (BOSS).…

astro-ph.CO2015★ 53 cited

Weak-Lensing Mass Calibration of the Atacama Cosmology Telescope Equatorial Sunyaev-Zeldovich Cluster Sample with the Canada-France-Hawaii Telescope Stripe 82 Survey

N. Battaglia, A. Leauthaud, H. Miyatake +39

Mass calibration uncertainty is the largest systematic effect for using clusters of galaxies to constrain cosmological parameters. We present weak lensing mass measurements from th…

astro-ph.CO2014★ 94 cited

Evidence of Lensing of the Cosmic Microwave Background by Dark Matter Halos

Mathew Madhavacheril, Neelima Sehgal, Rupert Allison +40

We present evidence of the gravitational lensing of the cosmic microwave background by solar mass dark matter halos. Lensing convergence maps from the Atacama Cosmology T…

astro-ph.CO2014★ 177 cited

The Atacama Cosmology Telescope: CMB Polarization at

Sigurd Naess, Matthew Hasselfield, Jeff McMahon +75

We report on measurements of the cosmic microwave background (CMB) and celestial polarization at 146 GHz made with the Atacama Cosmology Telescope Polarimeter (ACTPol) in its first…

astro-ph.CO2013★ 66 cited

The Atacama Cosmology Telescope: Dusty Star-Forming Galaxies and Active Galactic Nuclei in the Southern Survey

Danica Marsden, Megan Gralla, Tobias A. Marriage +28

We present a catalog of 191 extragalactic sources detected by the Atacama Cosmology Telescope (ACT) at 148 GHz and/or 218 GHz in the 2008 Southern survey. Flux densities span 14-17…

astro-ph.CO2013★ 284 cited

The Atacama Cosmology Telescope: Temperature and Gravitational Lensing Power Spectrum Measurements from Three Seasons of Data

Sudeep Das, Thibaut Louis, Michael R. Nolta +40

We present the temperature power spectra of the cosmic microwave background (CMB) derived from the three seasons of data from the Atacama Cosmology Telescope (ACT) at 148 GHz and 2…

astro-ph.CO2013★ 350 cited

The Atacama Cosmology Telescope: Cosmological parameters from three seasons of data

Jonathan L. Sievers, Renée A. Hlozek, Michael R. Nolta +90

We present constraints on cosmological and astrophysical parameters from high-resolution microwave background maps at 148 GHz and 218 GHz made by the Atacama Cosmology Telescope (A…

astro-ph.CO2013★ 454 cited

The Atacama Cosmology Telescope: Sunyaev-Zel'dovich Selected Galaxy Clusters at 148 GHz from Three Seasons of Data

Matthew Hasselfield, Matt Hilton, Tobias A. Marriage +41

[Abridged] We present a catalog of 68 galaxy clusters, of which 19 are new discoveries, detected via the Sunyaev-Zel'dovich effect (SZ) at 148 GHz in the Atacama Cosmology Telescop…

astro-ph.CO2012★ 111 cited

The Atacama Cosmology Telescope: Dynamical Masses and Scaling Relations for a Sample of Massive Sunyaev-Zel'dovich Effect Selected Galaxy Clusters

Cristóbal Sifón, Felipe Menanteau, Matthew Hasselfield +33

We present the first dynamical mass estimates and scaling relations for a sample of Sunyaev-Zel'dovich effect (SZE) selected galaxy clusters. The sample consists of 16 massive clus…

astro-ph.CO2011★ 25 cited

The Atacama Cosmology Telescope: High-Resolution Sunyaev-Zel'dovich Array Observations of ACT SZE-selected Clusters from the Equatorial Strip

Erik D. Reese, Tony Mroczkowski, Felipe Menanteau +41

We present follow-up observations with the Sunyaev-Zel'dovich Array (SZA) of optically-confirmed galaxy clusters found in the equatorial survey region of the Atacama Cosmology Tele…

astro-ph.CO2011★ 124 cited

The Atacama Cosmology Telescope: a measurement of the primordial power spectrum

Renée Hlozek, Joanna Dunkley, Graeme Addison +37

We present constraints on the primordial power spectrum of adiabatic fluctuations using data from the 2008 Southern Survey of the Atacama Cosmology Telescope (ACT). The angular res…

astro-ph.CO2011★ 165 cited

Evidence for dark energy from the cosmic microwave background alone using the Atacama Cosmology Telescope lensing measurements

Blake D. Sherwin, Joanna Dunkley, Sudeep Das +35

For the first time, measurements of the cosmic microwave background radiation (CMB) alone favor cosmologies with dark energy over models without dark energy at a 3.2-sigma l…

astro-ph.CO2011★ 279 cited

Detection of the Power Spectrum of Cosmic Microwave Background Lensing by the Atacama Cosmology Telescope

Sudeep Das, Blake D. Sherwin, Paula Aguirre +38

We report the first detection of the gravitational lensing of the cosmic microwave background through a measurement of the four-point correlation function in the temperature maps m…

astro-ph.CO2011★ 32 cited

Correlations in the (Sub)millimeter background from ACTxBLAST

Amir Hajian, Marco P. Viero, Graeme Addison +42

We present measurements of the auto- and cross-frequency correlation power spectra of the cosmic (sub)millimeter background at: 250, 350, and 500 um (1200, 860, and 600 GHz) from o…

astro-ph.CO2011★ 58 cited

The Atacama Cosmology Telescope: Detection of Sunyaev-Zel'dovich Decrement in Groups and Clusters Associated with Luminous Red Galaxies

Nick Hand, John William Appel, Nick Battaglia +42

We present a detection of the Sunyaev-Zel'dovich (SZ) decrement associated with the Luminous Red Galaxy (LRG) sample of the Sloan Digital Sky Survey. The SZ data come from 148 GHz…

astro-ph.CO2010★ 168 cited

The Atacama Cosmology Telescope: Cosmology from Galaxy Clusters Detected via the Sunyaev-Zel'dovich Effect

Neelima Sehgal, Hy Trac, Viviana Acquaviva +66

We present constraints on cosmological parameters based on a sample of Sunyaev-Zel'dovich-selected galaxy clusters detected in a millimeter-wave survey by the Atacama Cosmology Tel…