activity
20112025
most citedDark Energy Survey Year 1 Results: Cosmological Constraints from Galaxy Clustering and Weak Lensing

1.2k citations · 5.9k across the 85 of their papers we have counts for

collaborators

90 papers

astro-ph.CO2025

The Dark Energy Camera All Data Everywhere cosmic shear project V: Constraints on cosmology and astrophysics from 270 million galaxies across 13,000 deg of the sky

D. Anbajagane, C. Chang, A. Drlica-Wagner +78

We present constraints on models of cosmology and astrophysics using cosmic shear data vectors from three datasets: the northern and southern Galactic cap of the Dark Energy Camera…

astro-ph.CO2025★ 7 cited

Dark Energy Survey Year 3 Results: Cosmological constraints from second and third-order shear statistics

R. C. H. Gomes, S. Sugiyama, B. Jain +95

We present a cosmological analysis of the third-order aperture mass statistic using Dark Energy Survey Year 3 (DES Y3) data. We perform a complete tomographic measurement of the th…

astro-ph.CO2025

Constraints on cosmology and baryonic feedback with joint analysis of Dark Energy Survey Year 3 lensing data and ACT DR6 thermal Sunyaev-Zel'dovich effect observations

S. Pandey, J. C. Hill, A. Alarcon +137

We present a joint analysis of weak gravitational lensing (shear) data obtained from the first three years of observations by the Dark Energy Survey and thermal Sunyaev-Zel'dovich…

astro-ph.GA2025

Constraining the Stellar-to-Halo Mass Relation with Galaxy Clustering and Weak Lensing from DES Year 3 Data

G. Zacharegkas, C. Chang, J. Prat +100

We develop a framework to study the relation between the stellar mass of a galaxy and the total mass of its host dark matter halo using galaxy clustering and galaxy-galaxy lensing…

astro-ph.CO2025

The DECADE cosmic shear project IV: cosmological constraints from 107 million galaxies across 5,400 deg of the sky

D. Anbajagane, C. Chang, A. Drlica-Wagner +72

We present cosmological constraints from the Dark Energy Camera All Data Everywhere (DECADE) cosmic shear analysis. This work uses shape measurements for 107 million galaxies measu…

astro-ph.CO2025★ 1 cited

The DECADE cosmic shear project III: validation of analysis pipeline using spatially inhomogeneous data

D. Anbajagane, C. Chang, N. Chicoine +50

We present the pipeline for the cosmic shear analysis of the Dark Energy Camera All Data Everywhere (DECADE) weak lensing dataset: a catalog consisting of 107 million galaxies obse…

astro-ph.CO2025★ 3 cited

The DECADE cosmic shear project II: photometric redshift calibration of the source galaxy sample

D. Anbajagane, A. Alarcon, R. Teixeira +50

We present the photometric redshift characterization and calibration for the Dark Energy Camera All Data Everywhere (DECADE) weak lensing dataset: a catalog of 107 million galaxies…

astro-ph.CO2025★ 6 cited

The DECADE cosmic shear project I: A new weak lensing shape catalog of 107 million galaxies

D. Anbajagane, C. Chang, Z. Zhang +51

We present the Dark Energy Camera All Data Everywhere (DECADE) weak lensing dataset: a catalog of 107 million galaxies observed by the Dark Energy Camera (DECam) in the northern Ga…

astro-ph.CO2025★ 5 cited

High-Significance Detection of Correlation Between the Unresolved Gamma-Ray Background and the Large Scale Cosmic Structure

B. Thakore, M. Negro, M. Regis +96

Our understanding of the -ray sky has improved dramatically in the past decade, however, the unresolved -ray background (UGRB) still has a potential wealth of information abo…

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

Enhancing weak lensing redshift distribution characterization by optimizing the Dark Energy Survey Self-Organizing Map Photo-z method

A. Campos, B. Yin, S. Dodelson +111

Characterization of the redshift distribution of ensembles of galaxies is pivotal for large scale structure cosmological studies. In this work, we focus on improving the Self-Organ…

astro-ph.CO2024

Dark Energy Survey Year 3 results: simulation-based cosmological inference with wavelet harmonics, scattering transforms, and moments of weak lensing mass maps II. Cosmological results

M. Gatti, G. Campailla, N. Jeffrey +99

We present a simulation-based cosmological analysis using a combination of Gaussian and non-Gaussian statistics of the weak lensing mass (convergence) maps from the first three yea…

astro-ph.CO2024★ 45 cited

The SRG/eROSITA All-Sky Survey: Dark Energy Survey Year 3 Weak Gravitational Lensing by eRASS1 selected Galaxy Clusters

S. Grandis, V. Ghirardini, S. Bocquet +119

Number counts of galaxy clusters across redshift are a powerful cosmological probe, if a precise and accurate reconstruction of the underlying mass distribution is performed -- a c…

astro-ph.CO2024★ 18 cited

The Dark Energy Survey Supernova Program: Cosmological Analysis and Systematic Uncertainties

M. Vincenzi, D. Brout, P. Armstrong +93

We present the full Hubble diagram of photometrically-classified Type Ia supernovae (SNe Ia) from the Dark Energy Survey supernova program (DES-SN). DES-SN discovered more than 20,…

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

Dark Energy Survey Year 3 results: simulation-based cosmological inference with wavelet harmonics, scattering transforms, and moments of weak lensing mass maps I: validation on simulations

M. Gatti, N. Jeffrey, L. Whiteway +98

Beyond-two-point statistics contain additional information on cosmological as well as astrophysical and observational (systematics) parameters. In this methodology paper we provide…

astro-ph.CO2023

Beyond the 3rd moment: A practical study of using lensing convergence CDFs for cosmology with DES Y3

D. Anbajagane, C. Chang, A. Banerjee +95

Widefield surveys of the sky probe many clustered scalar fields -- such as galaxy counts, lensing potential, gas pressure, etc. -- that are sensitive to different cosmological and…

astro-ph.CO2023★ 2 cited

Detection of the significant impact of source clustering on higher-order statistics with DES Year 3 weak gravitational lensing data

M. Gatti, N. Jeffrey, L. Whiteway +98

We demonstrate and measure the impact of source galaxy clustering on higher-order summary statistics of weak gravitational lensing data. By comparing simulated data with galaxies t…

astro-ph.GA2023

DELVE 6: An Ancient, Ultra-Faint Star Cluster on the Outskirts of the Magellanic Clouds

W. Cerny, A. Drlica-Wagner, T. S. Li +23

We present the discovery of DELVE 6, an ultra-faint stellar system identified in the second data release of the DECam Local Volume Exploration (DELVE) survey. Based on a maximum-li…

astro-ph.CO2023

Cool Cores in Clusters of Galaxies in the Dark Energy Survey

K. Graham, J. O'Donnell, M. M. Silverstein +54

We search for the presence of cool cores in optically-selected galaxy clusters from the Dark Energy Survey (DES) and investigate their prevalence as a function of redshift and clus…

astro-ph.CO2023★ 160 cited

DES Y3 + KiDS-1000: Consistent cosmology combining cosmic shear surveys

Dark Energy Survey, Kilo-Degree Survey Collaboration, : +160

We present a joint cosmic shear analysis of the Dark Energy Survey (DES Y3) and the Kilo-Degree Survey (KiDS-1000) in a collaborative effort between the two survey teams. We find c…

astro-ph.CO2023★ 7 cited

The XMM Cluster Survey: Exploring scaling relations and completeness of the Dark Energy Survey Year 3 redMaPPer cluster catalogue

E. W. Upsdell, P. A. Giles, A. K. Romer +67

We cross-match and compare characteristics of galaxy clusters identified in observations from two sky surveys using two completely different techniques. One sample is optically sel…

astro-ph.CO2023★ 12 cited

The Dark Energy Survey Supernova Program: Corrections on photometry due to wavelength-dependent atmospheric effects

J. Lee, M. Acevedo, M. Sako +64

Wavelength-dependent atmospheric effects impact photometric supernova flux measurements for ground-based observations. We present corrections on supernova flux measurements from th…

astro-ph.SR2023★ 10 cited

Ultracool dwarfs candidates based on six years of the Dark Energy Survey data

M. dal Ponte, B. Santiago, A. Carnero Rosell +57

We present a sample of 19,583 ultracool dwarf candidates brighter than z selected from the Dark Energy Survey DR2 coadd data matched to VHS DR6, VIKING DR5 and AllWISE co…