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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…
The Atacama Cosmology Telescope: Cosmology from cross-correlations of unWISE galaxies and ACT DR6 CMB lensing
Gerrit S. Farren, Alex Krolewski, Niall MacCrann +33
We present tomographic measurements of structure growth using cross-correlations of Atacama Cosmology Telescope (ACT) DR6 and Planck CMB lensing maps with the unWISE Blue and Green…
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…
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…
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…
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…