activity
20162026
most citedInference from the small scales of cosmic shear with current and future Dark Energy Survey data

24 citations · 99 across the 25 of their papers we have counts for

collaborators
Showing astro-ph.COShow all

25 papers · 1 filter

astro-ph.CO2026

Diffusion-based Galaxy Simulations for the Roman High Latitude Survey

Diana Scognamiglio, Jake H. Lee, Eric Huff +2

Future weak lensing analyses with the Nancy Grace Roman Space Telescope will require highly realistic image simulations to control shear systematics at unprecedented precision. A k…

astro-ph.CO2026

Modeling Redshift Uncertainties in Roman Weak Lensing Cosmology

Diogo H. F. de Souza, Boyan Yin, Tim Eifler +7

Cosmological constraints using weak gravitational lensing measurements from the Roman Space Telescope will require a powerful method for modelling uncertainties in the galaxy redsh…

astro-ph.CO2026

Dark Energy Survey Year 6 Results: Cosmological Constraints from Galaxy Clustering and Weak Lensing

DES Collaboration, T. M. C. Abbott, M. Adamow +169

We present cosmology results combining galaxy clustering and weak gravitational lensing measured in the full six years (Y6) of observations by the Dark Energy Survey (DES) covering…

astro-ph.CO2025★ 1 cited

Confronting cosmic shear astrophysical uncertainties: DES Year 3 revisited

Leah Bigwood, Jamie McCullough, Jared Siegel +19

Cosmology from weak gravitational lensing has been limited by astrophysical uncertainties in baryonic feedback and intrinsic alignments. By calibrating these effects using external…

astro-ph.CO2025★ 2 cited

Dark Energy Survey Year 3 results: Simulation-based CDM inference from weak lensing and galaxy clustering maps with deep learning: Analysis design

A. Thomsen, J. Bucko, T. Kacprzak +99

Data-driven approaches using deep learning are emerging as powerful techniques to extract non-Gaussian information from cosmological large-scale structure. This work presents the f…

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★ 7 cited

Dark Energy Survey Year 3 results: CDM cosmology from simulation-based inference with persistent homology on the sphere

J. Prat, M. Gatti, C. Doux +94

We present cosmological constraints from Dark Energy Survey Year 3 (DES Y3) weak lensing data using persistent homology, a topological data analysis technique that tracks how featu…

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★ 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★ 9 cited

Interacting dark energy constraints from the full-shape analyses of BOSS DR12 and DES Year 3 measurements

M. Tsedrik, S. Lee, K. Markovic +8

Dark Scattering (DS) is an interacting dark energy model characterised by pure momentum exchange between dark energy and dark matter. It is phenomenologically interesting because i…

astro-ph.CO2025

Euclid preparation LX. The use of HST images as input for weak-lensing image simulations

Euclid Collaboration, D. Scognamiglio, T. Schrabback +245

Data from the Euclid space telescope will enable cosmic shear measurements with very small statistical errors, requiring corresponding systematic error control level. A common appr…

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.CO2025★ 9 cited

Dark Energy Survey Year 6 Results: Cell-based Coadds and Metadetection Weak Lensing Shape Catalogue

M. Yamamoto, M. R. Becker, E. Sheldon +81

We present the Metadetection weak lensing galaxy shape catalogue from the six-year Dark Energy Survey (DES Y6) imaging data. This dataset is the final release from DES, spanning 44…

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★ 11 cited

Dark Energy Survey Year 3: Blue Shear

J. McCullough, A. Amon, E. Legnani +115

Modeling the intrinsic alignment (IA) of galaxies poses a challenge to weak lensing analyses. The Dark Energy Survey is expected to be less impacted by IA when limited to blue, sta…

astro-ph.CO2024★ 2 cited

Kinematic Lensing Inference II: Cluster Lensing with (1) Galaxies

Pranjal R. S., Eric Huff, Elisabeth Krause +4

We present the first detection of a cluster lensing signal with `Kinematic Lensing' (KL), a novel weak lensing method that combines photometry, spectroscopy, and the Tully-Fisher r…

astro-ph.CO2024★ 1 cited

Kinematic Lensing with the Dark Energy Spectroscopic Instrument -- Probing structure formation at very low redshift

Jiachuan Xu, Tim Eifler, Eason Wang +5

We explore the science prospects of a 14,000 deg Kinematic Lensing (KL) survey with the Dark Energy Spectroscopic Instrument (DESI) and overlapping imaging surveys. KL infers t…

astro-ph.CO2024★ 2 cited

The little coadd that could: Estimating shear from coadded images

Robert Armstrong, Erin Sheldon, Eric Huff +9

Upcoming wide field surveys will have many overlapping epochs of the same region of sky. The conventional wisdom is that in order to reduce the errors sufficiently for systematics-…

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★ 3 cited

Astrophysical systematics in Kinematic Lensing: quantifying an Intrinsic Alignment analog

Yu-Hsiu Huang, Elisabeth Krause, Jiachuan Xu +3

Kinematic lensing (KL) is a new weak lensing technique that reduces shape noise for disk galaxies by including spectroscopically measured galaxy kinematics in addition to photometr…

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★ 6 cited

SPT Clusters with DES and HST Weak Lensing. I. Cluster Lensing and Bayesian Population Modeling of Multi-Wavelength Cluster Datasets

S. Bocquet, S. Grandis, L. E. Bleem +130

We present a Bayesian population modeling method to analyze the abundance of galaxy clusters identified by the South Pole Telescope (SPT) with a simultaneous mass calibration using…