activity
20142026
most citedThe Simons Observatory: Science goals and forecasts

1.5k citations · 4.6k across the 63 of their papers we have counts for

collaborators

64 papers

astro-ph.CO2026

Measuring the Clustering of tSZ-Selected Galaxy Clusters with SPT-3G

E. S. Martsen, D. Anbajagane, L. E. Bleem +96

We present a measurement of the spatial clustering of galaxy clusters selected via the thermal Sunyaev-Zel'dovich (tSZ) signal. Using a cluster catalog derived from five years of S…

astro-ph.CO2024★ 7 cited

SPT Clusters with DES and HST Weak Lensing. II. Cosmological Constraints from the Abundance of Massive Halos

S. Bocquet, S. Grandis, L. E. Bleem +193

We present cosmological constraints from the abundance of galaxy clusters selected via the thermal Sunyaev-Zel'dovich (SZ) effect in South Pole Telescope (SPT) data with a simultan…

astro-ph.CO2023★ 55 cited

Galaxy Clusters Discovered via the Thermal Sunyaev-Zel'dovich Effect in the 500-square-degree SPTpol Survey

L. E. Bleem, M. Klein, T. M. C. Abbott +125

We present a catalog of 689 galaxy cluster candidates detected at significance via their thermal Sunyaev-Zel'dovich (SZ) effect signature in 95 and 150 GHz data from the 500-…

astro-ph.CO2023★ 67 cited

A Measurement of Gravitational Lensing of the Cosmic Microwave Background Using SPT-3G 2018 Data

Z. Pan, F. Bianchini, W. L. K. Wu +133

We present a measurement of gravitational lensing over 1500 deg of the Southern sky using SPT-3G temperature data at 95 and 150 GHz taken in 2018. The lensing amplitude relativ…

astro-ph.CO2023★ 33 cited

Capse.jl: efficient and auto-differentiable CMB power spectra emulation

Marco Bonici, Federico Bianchini, Jaime Ruiz-Zapatero

We present Capse.jl, a novel neural network-based emulator designed for rapid and accurate prediction of Cosmic Microwave Background (CMB) temperature, polarization, and lensing an…

astro-ph.CO2023

CMB-S4: Forecasting Constraints on Through -distortion Anisotropy

David Zegeye, Federico Bianchini, J. Richard Bond +14

Diffusion damping of the cosmic microwave background (CMB) power spectrum results from imperfect photon-baryon coupling in the pre-recombination plasma. At redshift $5 \times 10^4…

astro-ph.HE2023★ 9 cited

Simultaneous Millimeter-wave, Gamma-ray, and Optical Monitoring of the Blazar PKS 2326-502 During a Flaring State

J. C. Hood, A. Simpson, A. McDaniel +66

Including millimeter-wave (mm-wave) data in multi-wavelength studies of the variability of active galactic nuclei (AGN) can provide insights into AGN physics that are not easily ac…

astro-ph.CO2023★ 3 cited

Cross-correlating radial peculiar velocities and CMB lensing convergence

Leonardo Giani, Cullan Howlett, Rossana Ruggeri +3

We study, for the first time, the cross correlation between the angular distribution of radial peculiar velocities (PV) and the lensing convergence of cosmic microwave background (…

astro-ph.HE2022★ 12 cited

Magnetic dynamo caused by axions in neutron stars

Filippo Anzuini, José A. Pons, Antonio Gómez-Bañón +3

The coupling between axions and photons modifies Maxwell's equations, introducing a dynamo term in the magnetic induction equation. In neutron stars, for critical values of the axi…

astro-ph.IM2022★ 37 cited

The POLARBEAR-2 and Simons Array Focal Plane Fabrication Status

B. Westbrook, P. A. R. Ade, M. Aguilar +90

We present on the status of POLARBEAR-2 A (PB2-A) focal plane fabrication. The PB2-A is the first of three telescopes in the Simon Array (SA), which is an array of three cosmic mic…

astro-ph.CO2022★ 13 cited

Inference of gravitational lensing and patchy reionization with future CMB data

Federico Bianchini, Marius Millea

We develop an optimal Bayesian solution for jointly inferring secondary signals in the Cosmic Microwave Background (CMB) originating from gravitational lensing and from patchy scre…

astro-ph.CO2022★ 20 cited

A measurement of the mean central optical depth of galaxy clusters via the pairwise kinematic Sunyaev-Zel'dovich effect with SPT-3G and DES

E. Schiappucci, F. Bianchini, M. Aguena +139

We infer the mean optical depth of a sample of optically-selected galaxy clusters from the Dark Energy Survey (DES) via the pairwise kinematic Sunyaev-Zel'dovich (kSZ) effect. The…

astro-ph.CO2022★ 60 cited

CMB spectral distortions revisited: a new take on distortions and primordial non-Gaussianities from FIRAS data

Federico Bianchini, Giulio Fabbian

Deviations from the blackbody spectral energy distribution of the CMB are a precise probe of physical processes active both in the early universe (such as those connected to partic…

astro-ph.CO2022

Forecasting ground-based sensitivity to the Rayleigh scattering of the CMB in the presence of astrophysical foregrounds

Karia R. Dibert, Adam J. Anderson, Amy N. Bender +9

The Rayleigh scattering of cosmic microwave background (CMB) photons off the neutral hydrogen produced during recombination effectively creates an additional scattering surface aft…

astro-ph.CO2022★ 36 cited

Joint analysis of DES Year 3 data and CMB lensing from SPT and Planck II: Cross-correlation measurements and cosmological constraints

C. Chang, Y. Omori, E. J. Baxter +163

Cross-correlations of galaxy positions and galaxy shears with maps of gravitational lensing of the cosmic microwave background (CMB) are sensitive to the distribution of large-scal…

astro-ph.CO2022★ 12 cited

Snowmass 2021 CMB-S4 White Paper

Kevork Abazajian, Arwa Abdulghafour, Graeme E. Addison +353

This Snowmass 2021 White Paper describes the Cosmic Microwave Background Stage 4 project CMB-S4, which is designed to cross critical thresholds in our understanding of the origin a…

astro-ph.CO2022★ 11 cited

Snowmass2021 Cosmic Frontier: Cosmic Microwave Background Measurements White Paper

Clarence L. Chang, Kevin M. Huffenberger, Bradford A. Benson +128

This is a solicited whitepaper for the Snowmass 2021 community planning exercise. The paper focuses on measurements and science with the Cosmic Microwave Background (CMB). The CMB…

astro-ph.CO2022★ 29 cited

Searching for axion-like time-dependent cosmic birefringence with data from SPT-3G

K. R. Ferguson, A. J. Anderson, N. Whitehorn +78

Ultralight axionlike particles (ALPs) are compelling dark matter candidates because of their potential to resolve small-scale discrepancies between CDM predictions and cosmologi…

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.EP2022★ 13 cited

Asteroid Measurements at Millimeter Wavelengths with the South Pole Telescope

P. M. Chichura, A. Foster, C. Patel +141

We present the first measurements of asteroids in millimeter wavelength (mm) data from the South Pole Telescope (SPT), which is used primarily to study the cosmic microwave backgro…

astro-ph.CO2021★ 19 cited

Improving cosmological constraints from galaxy cluster number counts with CMB-cluster-lensing data: Results from the SPT-SZ survey and forecasts for the future

P. S. Chaubal, C. L. Reichardt, N. Gupta +40

We show the improvement to cosmological constraints from galaxy cluster surveys with the addition of CMB-cluster lensing data. We explore the cosmological implications of adding ma…

astro-ph.IM2021

The Design and Integrated Performance of SPT-3G

J. A. Sobrin, A. J. Anderson, A. N. Bender +120

SPT-3G is the third survey receiver operating on the South Pole Telescope dedicated to high-resolution observations of the cosmic microwave background (CMB). Sensitive measurements…

astro-ph.CO2021★ 89 cited

Constraints on CDM Extensions from the SPT-3G 2018 and Power Spectra

L. Balkenhol, D. Dutcher, P. A. R. Ade +117

We present constraints on extensions to the CDM cosmological model from measurements of the -mode polarization auto-power spectrum and the temperature--mode cross-power sp…

astro-ph.IM2021★ 15 cited

Performance and characterization of the SPT-3G digital frequency-domain multiplexed readout system using an improved noise and crosstalk model

J. Montgomery, P. A. R. Ade, Z. Ahmed +118

The third generation South Pole Telescope camera (SPT-3G) improves upon its predecessor (SPTpol) by an order of magnitude increase in detectors on the focal plane. The technology u…