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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…
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…
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…
Constraining CMB temperature evolution with Sunyaev-Zel'dovich galaxy clusters from the Atacama Cosmology Telescope
Yunyang Li, Adam D. Hincks, Stefania Amodeo +30
The Sunyaev-Zel'dovich (SZ) effect introduces a specific distortion of the blackbody spectrum of the cosmic microwave background (CMB) radiation when it scatters off hot gas in clu…
The Atacama Cosmology Telescope: A search for Planet 9
Sigurd Naess, Simone Aiola, Nick Battaglia +37
We use Atacama Cosmology Telescope (ACT) observations at 98 GHz (2015--2019), 150 GHz (2013--2019) and 229 GHz (2017--2019) to perform a blind shift-and-stack search for Planet 9.…
A study of 90 GHz dust emissivity on molecular cloud and filament scales
Ian Lowe, Brian Mason, Tanay Bhandarkar +19
Recent observations from the MUSTANG2 instrument on the Green Bank Telescope have revealed evidence of enhanced long-wavelength emission in the dust spectral energy distribution (S…
The Atacama Cosmology Telescope: Microwave Intensity and Polarization Maps of the Galactic Center
Yilun Guan, Susan E. Clark, Brandon S. Hensley +30
We present arcminute-resolution intensity and polarization maps of the Galactic center made with the Atacama Cosmology Telescope (ACT). The maps cover a 32 deg field at 98, 150…
The Atacama Cosmology Telescope: Summary of DR4 and DR5 Data Products and Data Access
Maya Mallaby-Kay, Zachary Atkins, Simone Aiola +57
Two recent large data releases for the Atacama Cosmology Telescope (ACT), called DR4 and DR5, are available for public access. These data include temperature and polarization maps…
The Atacama Cosmology Telescope: Detection of the Pairwise Kinematic Sunyaev-Zel'dovich Effect with SDSS DR15 Galaxies
Victoria Calafut, Patricio A. Gallardo, Eve M. Vavagiakis +49
We present a 5.4 detection of the pairwise kinematic Sunyaev-Zel'dovich (kSZ) effect using Atacama Cosmology Telescope (ACT) and CMB observations in combination wi…
The Atacama Cosmology Telescope: Probing the Baryon Content of SDSS DR15 Galaxies with the Thermal and Kinematic Sunyaev-Zel'dovich Effects
Eve M. Vavagiakis, Patricio A. Gallardo, Victoria Calafut +49
We present high signal-to-noise measurements (up to 12) of the average thermal Sunyaev Zel'dovich (tSZ) effect from optically selected galaxy groups and clusters and estimate th…