Simon Dicker
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View article: The Atacama Cosmology Telescope: DR6 power spectra, likelihoods and ΛCDM parameters
The Atacama Cosmology Telescope: DR6 power spectra, likelihoods and ΛCDM parameters Open
We present power spectra of the cosmic microwave background (CMB) anisotropy in temperature and polarization, measured from the Data Release 6 maps made from Atacama Cosmology Telescope (ACT) data. These cover 19,000 deg 2 of sky in bands …
View article: The Atacama Cosmology Telescope: DR6 Sunyaev-Zel'dovich Selected Galaxy Clusters Catalog
The Atacama Cosmology Telescope: DR6 Sunyaev-Zel'dovich Selected Galaxy Clusters Catalog Open
We present the results of a search for galaxy clusters in the Atacama Cosmology Telescope (ACT) Data Release 6 (DR6) microwave sky maps covering 16293 square degrees in three frequency bands, using data obtained over the lifetime of the pr…
View article: The Star Formation in Radio Survey: Adding 90 GHz Data to 3–33 GHz Observations of Star-forming Regions in Nearby Galaxies
The Star Formation in Radio Survey: Adding 90 GHz Data to 3–33 GHz Observations of Star-forming Regions in Nearby Galaxies Open
We present 90 GHz continuum imaging of 119 star-forming regions in 30 nearby galaxies observed with MUSTANG-2 on the Robert C. Byrd Green Bank Telescope as part of the Star Formation in Radio Survey. The 90 GHz data were combined with 3, 1…
View article: Simons Observatory: Characterization of the Large Aperture Telescope Receiver
Simons Observatory: Characterization of the Large Aperture Telescope Receiver Open
The Simons Observatory (SO) is a ground-based cosmic microwave background (CMB) survey experiment that currently consists of three 0.42 m small-aperture telescopes and one 6 m large-aperture telescope (LAT), located at an elevation of 5200…
View article: The Star Formation in Radio Survey: Adding 90 GHz Data to 3-33 GHz Observations of Star-forming Regions in Nearby Galaxies
The Star Formation in Radio Survey: Adding 90 GHz Data to 3-33 GHz Observations of Star-forming Regions in Nearby Galaxies Open
We present 90 GHz continuum imaging of 119 star-forming regions in 30 nearby galaxies observed with MUSTANG-2 on the Robert C. Byrd Green Bank Telescope as part of the Star Formation in Radio Survey. The 90 GHz data were combined with 3, 1…
View article: The Atacama Cosmology Telescope: DR6 Maps
The Atacama Cosmology Telescope: DR6 Maps Open
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 frequency bands centered on 98, 150 and 220 GHz. The maps …
View article: The Atacama Cosmology Telescope: DR6 Constraints on Extended Cosmological Models
The Atacama Cosmology Telescope: DR6 Constraints on Extended Cosmological Models Open
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 foundational assumptions of the standard cosmological model a…
View article: The Atacama Cosmology Telescope: DR6 Power Spectra, Likelihoods and $Λ$CDM Parameters
The Atacama Cosmology Telescope: DR6 Power Spectra, Likelihoods and $Λ$CDM Parameters Open
We present power spectra of the cosmic microwave background (CMB) anisotropy in temperature and polarization, measured from the Data Release 6 maps made from Atacama Cosmology Telescope (ACT) data. These cover 19,000 deg$^2$ of sky in band…
View article: The Simons Observatory: Science Goals and Forecasts for the Enhanced Large Aperture Telescope
The Simons Observatory: Science Goals and Forecasts for the Enhanced Large Aperture Telescope Open
We describe updated scientific goals for the wide-field, millimeter-wave survey that will be produced by the Simons Observatory (SO). Significant upgrades to the 6-meter SO Large Aperture Telescope (LAT) are expected to be complete by 2028…
View article: The conceptual design of the 50-meter Atacama Large Aperture Submillimeter Telescope (AtLAST)
The conceptual design of the 50-meter Atacama Large Aperture Submillimeter Telescope (AtLAST) Open
The (sub)millimeter sky contains a vast wealth of information that is both complementary and inaccessible to other wavelengths. Over half the light we receive is observable at millimeter and submillimeter wavelengths, yet we have mapped on…
View article: Simons Observatory: Characterization of the Large Aperture Telescope Receiver
Simons Observatory: Characterization of the Large Aperture Telescope Receiver Open
The Simons Observatory (SO) is a ground-based cosmic microwave background (CMB) survey experiment that currently consists of three 0.42m small-aperture telescopes (SATs) and one 6m large-aperture telescope (LAT), located at an elevation of…
View article: Simons Observatory: Predeployment Performance of a Large Aperture Telescope Optics Tube in the 90 and 150 GHz Spectral Bands
Simons Observatory: Predeployment Performance of a Large Aperture Telescope Optics Tube in the 90 and 150 GHz Spectral Bands Open
The Simons Observatory will map the temperature and polarization over half of the sky at millimeter wavelengths in six spectral bands from the Atacama Desert in Chile. These data will provide new insights into the genesis, content, and his…
View article: The thermodynamic structure and large-scale structure filament in MACS J0717.5+3745
The thermodynamic structure and large-scale structure filament in MACS J0717.5+3745 Open
We present the results of Chandra and XMM-Newton X-ray imaging and spatially resolved spectroscopy, as well as new MUSTANG2 90 GHz observations of the thermal Sunyaev-Zeldovich effect from MACS J0717.5+3745, an intermediate redshift ($z=0.…
View article: The Simons Observatory: Design, Integration, and Testing of the Small Aperture Telescopes
The Simons Observatory: Design, Integration, and Testing of the Small Aperture Telescopes Open
The Simons Observatory (SO) is a cosmic microwave background survey experiment that includes small-aperture telescopes (SATs) observing from an altitude of 5200 m in the Atacama Desert in Chile. The SO SATs will cover six spectral bands be…
View article: The RAdio Galaxy Environment Reference Survey (RAGERS)
The RAdio Galaxy Environment Reference Survey (RAGERS) Open
Context. High-redshift radio(-loud) galaxies (H z RGs) are massive galaxies with powerful radio-loud active galactic nuclei (AGNs) and serve as beacons for protocluster identification. However, the interplay between H z RGs and the large-s…
View article: The RAdio Galaxy Environment Reference Survey (RAGERS): Evidence of an anisotropic distribution of submillimeter galaxies in the 4C 23.56 protocluster at z=2.48
The RAdio Galaxy Environment Reference Survey (RAGERS): Evidence of an anisotropic distribution of submillimeter galaxies in the 4C 23.56 protocluster at z=2.48 Open
High-redshift radio(-loud) galaxies (H$z$RGs) are massive galaxies with powerful radio-loud active galactic nuclei (AGNs) and serve as beacons for protocluster identification. However, the interplay between H$z$RGs and the large-scale envi…
View article: The Simons Observatory: Dark Characterization of the Large Aperture Telescope
The Simons Observatory: Dark Characterization of the Large Aperture Telescope Open
The Simons Observatory (SO) is a cosmic microwave background experiment composed of three 0.42 m Small Aperture Telescopes (SATs) and one 6 m Large Aperture Telescope (LAT) in the Atacama Desert of Chile. The Large Aperture Telescope Recei…
View article: Sensitive 3 mm Imaging of Discrete Sources in the Fields of Thermal Sunyaev–Zel’dovich Effect–Selected Galaxy Clusters
Sensitive 3 mm Imaging of Discrete Sources in the Fields of Thermal Sunyaev–Zel’dovich Effect–Selected Galaxy Clusters Open
In this paper, we present the results of a blind survey for compact sources in 243 Galaxy clusters that were identified using the thermal Sunyaev–Zel'dovich effect (tSZ). The survey was carried out at 90 GHz using MUSTANG2 on the Green Ban…
View article: The Simons Observatory: dark characterization of the large aperture telescope
The Simons Observatory: dark characterization of the large aperture telescope Open
The Simons Observatory (SO) is a cosmic microwave background experiment\ncomposed of three 0.42 m Small Aperture Telescopes (SATs) and one 6 m Large\nAperture Telescope (LAT) in the Atacama Desert of Chile. The Large Aperture\nTelescope Re…
View article: The Simons Observatory: Studies of Detector Yield and Readout Noise From the First Large-Scale Deployment of Microwave Multiplexing at the Large Aperture Telescope
The Simons Observatory: Studies of Detector Yield and Readout Noise From the First Large-Scale Deployment of Microwave Multiplexing at the Large Aperture Telescope Open
The Simons Observatory is a new ground-based cosmic microwave background experiment, which is currently being commissioned in Chile's Atacama Desert. During its survey, the observatory's small aperture telescopes will map 10% of the sky in…
View article: Simons Observatory: Pre-deployment Performance of a Large Aperture Telescope Optics Tube in the 90 and 150 GHz Spectral Bands
Simons Observatory: Pre-deployment Performance of a Large Aperture Telescope Optics Tube in the 90 and 150 GHz Spectral Bands Open
The Simons Observatory will map the temperature and polarization over half of the sky, at millimeter wavelengths in six spectral bands from the Atacama Desert in Chile. These data will provide new insights into the genesis, content, and hi…
View article: The Simons Observatory: Design, integration, and testing of the small aperture telescopes
The Simons Observatory: Design, integration, and testing of the small aperture telescopes Open
The Simons Observatory (SO) is a cosmic microwave background (CMB) survey experiment that includes small-aperture telescopes (SATs) observing from an altitude of 5,200 m in the Atacama Desert in Chile. The SO SATs will cover six spectral b…
View article: Erratum: “Inferences from Surface Brightness Fluctuations of Zwicky 3146 via the Sunyaev–Zel’dovich Effect and X-Ray Observations” (2023, ApJ, 951, 41)
Erratum: “Inferences from Surface Brightness Fluctuations of Zwicky 3146 via the Sunyaev–Zel’dovich Effect and X-Ray Observations” (2023, ApJ, 951, 41) Open
In the course of continuing work on surface brightness fluctuations the authors found an error in how the particle background was subtracted from XMM-Newton images. In particular, a slightly smoothed background image (used to generate Pois…
View article: Atacama Cosmology Telescope: High-resolution component-separated maps across one third of the sky
Atacama Cosmology Telescope: High-resolution component-separated maps across one third of the sky Open
Observations of the millimeter sky contain valuable information on a number of signals, including the blackbody cosmic microwave background (CMB), Galactic emissions, and the Compton-y distortion due to the thermal Sunyaev-Zel’dovich (tSZ)…
View article: Sensitive 3mm Imaging of Discrete Sources in the Fields of tSZ-Selected Galaxy Clusters
Sensitive 3mm Imaging of Discrete Sources in the Fields of tSZ-Selected Galaxy Clusters Open
In this paper we present the results of a blind survey for compact sources in 243 Galaxy clusters that were identified using the thermal Sunyaev-Zeldovich effect (tSZ). The survey was carried out at 90 GHz using MUSTANG2 on the Green Bank …
View article: The BLAST Observatory: A Sensitivity Study for Far-IR Balloon-borne Polarimeters
The BLAST Observatory: A Sensitivity Study for Far-IR Balloon-borne Polarimeters Open
Sensitive wide-field observations of polarized thermal emission from interstellar dust grains will allow astronomers to address key outstanding questions about the life cycle of matter and energy driving the formation of stars and the evol…
View article: maria: A novel simulator for forecasting (sub-)mm observations
maria: A novel simulator for forecasting (sub-)mm observations Open
Millimeter-wave single-dish telescopes offer two key advantages compared to interferometers: they can efficiently map larger portions of the sky, and they can recover larger spatial scales. Nonetheless, fluctuations in the atmosphere limit…
View article: The Atacama Cosmology Telescope: DR6 Gravitational Lensing Map and Cosmological Parameters
The Atacama Cosmology Telescope: DR6 Gravitational Lensing Map and Cosmological Parameters Open
We present cosmological constraints from a gravitational lensing mass map covering 9400 deg 2 reconstructed from measurements of the cosmic microwave background (CMB) made by the Atacama Cosmology Telescope (ACT) from 2017 to 2021. In comb…
View article: The Atacama Cosmology Telescope: A Measurement of the DR6 CMB Lensing Power Spectrum and Its Implications for Structure Growth
The Atacama Cosmology Telescope: A Measurement of the DR6 CMB Lensing Power Spectrum and Its Implications for Structure Growth Open
We present new measurements of cosmic microwave background (CMB) lensing over 9400 deg 2 of the sky. These lensing measurements are derived from the Atacama Cosmology Telescope (ACT) Data Release 6 (DR6) CMB data set, which consists of fiv…
View article: The BLAST Observatory: A Sensitivity Study for Far-IR Balloon-borne Polarimeters
The BLAST Observatory: A Sensitivity Study for Far-IR Balloon-borne Polarimeters Open
Sensitive wide-field observations of polarized thermal emission from interstellar dust grains will allow astronomers to address key outstanding questions about the life cycle of matter and energy driving the formation of stars and the evol…