activity
20152025
most citedCluster Cosmology Constraints from the 2500 deg SPT-SZ Survey: Inclusion of Weak Gravitational Lensing Data from Magellan and the Hubble Space Telescope

368 citations · 3.6k across the 57 of their papers we have counts for

collaborators

58 papers

astro-ph.CO2025

The SPT-Deep Cluster Catalog: Sunyaev-Zel'dovich Selected Clusters from Combined SPT-3G and SPTpol Measurements over 100 Square Degrees

K. Kornoelje, L. E. Bleem, E. S. Rykoff +191

We present a catalog of 500 galaxy cluster candidates in the SPT-Deep field: a 100 deg field that combines data from the SPT-3G and SPTpol surveys to reach noise levels of 3.0,…

astro-ph.CO2025

Measurements of the Temperature and E-mode Polarization of the Cosmic Microwave Background from the Full 500-square-degree SPTpol Dataset

T. -L. Chou, P. A. R. Ade, A. J. Anderson +59

Using the full four-year SPTpol 500 deg dataset in both the 95 GHz and 150 GHz frequency bands, we present measurements of the temperature and -mode polarization of the cosm…

astro-ph.CO2024

Multiprobe Cosmology from the Abundance of SPT Clusters and DES Galaxy Clustering and Weak Lensing

S. Bocquet, S. Grandis, E. Krause +216

Cosmic shear, galaxy clustering, and the abundance of massive halos each probe the large-scale structure of the Universe in complementary ways. We present cosmological constraints…

astro-ph.CO2024★ 25 cited

First Constraints on the Epoch of Reionization Using the non-Gaussianity of the Kinematic Sunyaev-Zel{'}dovich Effect from the South Pole Telescope and {\it Herschel}-SPIRE Observations

S. Raghunathan, P. A. R. Ade, A. J. Anderson +121

We report results from an analysis aimed at detecting the trispectrum of the kinematic Sunyaev-Zel{'}dovich (kSZ) effect by combining data from the South Pole Telescope (SPT) and {…

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.IM2023

Deep Learning for Morphological Identification of Extended Radio Galaxies using Weak Labels

Nikhel Gupta, Zeeshan Hayder, Ray P. Norris +7

The present work discusses the use of a weakly-supervised deep learning algorithm that reduces the cost of labelling pixel-level masks for complex radio galaxies with multiple comp…

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.GA2022★ 24 cited

Discovery of Peculiar Radio Morphologies with ASKAP using Unsupervised Machine Learning

Nikhel Gupta, Minh Huynh, Ray P. Norris +5

We present a set of peculiar radio sources detected using an unsupervised machine learning method. We use data from the Australian Square Kilometre Array Pathfinder (ASKAP) telesco…

astro-ph.GA2022★ 13 cited

The Evolution of AGN Activity in Brightest Cluster Galaxies

T. Somboonpanyakul, M. McDonald, A. Noble +73

We present the results of an analysis of Wide-field Infrared Survey Explorer (WISE) observations on the full 2500 deg^2 South Pole Telescope (SPT)-SZ cluster sample. We describe a…

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.HE2021★ 39 cited

Detection of Galactic and Extragalactic Millimeter-Wavelength Transient Sources with SPT-3G

S. Guns, A. Foster, C. Daley +119

High-angular-resolution cosmic microwave background experiments provide a unique opportunity to conduct a survey of time-variable sources at millimeter wavelengths, a population wh…

astro-ph.CO2021★ 269 cited

Measurements of the E-Mode Polarization and Temperature-E-Mode Correlation of the CMB from SPT-3G 2018 Data

D. Dutcher, L. Balkenhol, P. A. R. Ade +118

We present measurements of the -mode () polarization power spectrum and temperature--mode () cross-power spectrum of the cosmic microwave background using data collec…

astro-ph.CO2021★ 34 cited

Exploring the contamination of the DES-Y1 Cluster Sample with SPT-SZ selected clusters

S. Grandis, J. J. Mohr, M. Costanzi +73

We perform a cross validation of the cluster catalog selected by the red-sequence Matched-filter Probabilistic Percolation algorithm (redMaPPer) in Dark Energy Survey year 1 (DES-Y…

astro-ph.CO2020★ 55 cited

Optimal CMB Lensing Reconstruction and Parameter Estimation with SPTpol Data

M. Millea, C. M. Daley, T-L. Chou +66

We perform the first simultaneous Bayesian parameter inference and optimal reconstruction of the gravitational lensing of the cosmic microwave background (CMB), using 100 deg o…

astro-ph.CO2020★ 47 cited

A Demonstration of Improved Constraints on Primordial Gravitational Waves with Delensing

BICEP/Keck, SPTpol Collaborations, : +139

We present a constraint on the tensor-to-scalar ratio, , derived from measurements of cosmic microwave background (CMB) polarization -modes with "delensing," whereby the unce…

astro-ph.CO2020★ 111 cited

Cosmological Constraints from DES Y1 Cluster Abundances and SPT Multi-wavelength data

M. Costanzi, A. Saro, S. Bocquet +87

We perform a joint analysis of the counts of redMaPPer clusters selected from the Dark Energy Survey (DES) Y1 data and multi-wavelength follow-up data collected within the 2500 deg…

astro-ph.CO2020★ 271 cited

CMB-S4: Forecasting Constraints on Primordial Gravitational Waves

S4 Collaboration, Kevork Abazajian, Graeme E. Addison +233

CMB-S4---the next-generation ground-based cosmic microwave background (CMB) experiment---is set to significantly advance the sensitivity of CMB measurements and enhance our underst…

astro-ph.CO2020★ 70 cited

Searching for Anisotropic Cosmic Birefringence with Polarization Data from SPTpol

F. Bianchini, W. L. K. Wu, P. A. R. Ade +69

We present a search for anisotropic cosmic birefringence in 500 deg of southern sky observed at 150 GHz with the SPTpol camera on the South Pole Telescope. We reconstruct a map…

astro-ph.CO2020★ 20 cited

Mass Estimation of Galaxy Clusters with Deep Learning II: CMB Cluster Lensing

N. Gupta, C. L. Reichardt

We present a new application of deep learning to reconstruct the cosmic microwave background (CMB) temperature maps from the images of microwave sky, and to use these reconstructed…

astro-ph.CO2020★ 2 cited

Forecasts for Next Generation tSZ Surveys: the Impact of a Cosmology-Dependent Selection Function

Nikhel Gupta, Cristiano Porciani, Kaustuv Basu

The thermal Sunyaev-Zel'dovich (tSZ) effect is one of the primary tools for finding and characterizing galaxy clusters. Several ground-based experiments are either underway or are…

astro-ph.CO2020★ 3 cited

Mass Estimation of Galaxy Clusters with Deep Learning I: Sunyaev-Zel'dovich Effect

Nikhel Gupta, Christian L. Reichardt

We present a new application of deep learning to infer the masses of galaxy clusters directly from images of the microwave sky. Effectively, this is a novel approach to determining…