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20142026
most citedDark Energy Survey Year 1 Results: Cosmological Constraints from Galaxy Clustering and Weak Lensing

1.2k citations · 19k across the 249 of their papers we have counts for

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Showing 2020Show all

52 papers · 1 filter

astro-ph.CO2020★ 55 cited

Dark Energy Survey Year 3 Results: Calibration of Lens Sample Redshift Distributions using Clustering Redshifts with BOSS/eBOSS

R. Cawthon, J. Elvin-Poole, A. Porredon +83

We present clustering redshift measurements for Dark Energy Survey (DES) lens sample galaxies to be used in weak gravitational lensing and galaxy clustering studies. To perform thi…

astro-ph.CO2020★ 4 cited

Dark Energy Survey Year 3 Results: Deep Field Optical + Near-Infrared Images and Catalogue

W. G. Hartley, A. Choi, A. Amon +115

We describe the Dark Energy Survey (DES) Deep Fields, a set of images and associated multi-wavelength catalogue () built from Dark Energy Camera (DECam) and Visible and…

astro-ph.CO2020★ 83 cited

Assessing tension metrics with Dark Energy Survey and Planck data

P. Lemos, M. Raveri, A. Campos +103

Quantifying tensions -- inconsistencies amongst measurements of cosmological parameters by different experiments -- has emerged as a crucial part of modern cosmological data analys…

astro-ph.CO2020★ 99 cited

Dark Energy Survey Year 3 Results: Covariance Modelling and its Impact on Parameter Estimation and Quality of Fit

O. Friedrich, F. Andrade-Oliveira, H. Camacho +109

We describe and test the fiducial covariance matrix model for the combined 2-point function analysis of the Dark Energy Survey Year 3 (DES-Y3) dataset. Using a variety of new ansat…

astro-ph.CO2020★ 123 cited

DES Y3 results: Blending shear and redshift biases in image simulations

N. MacCrann, M. R. Becker, J. McCullough +93

As the statistical power of galaxy weak lensing reaches percent level precision, large, realistic and robust simulations are required to calibrate observational systematics, especi…

astro-ph.CO2020★ 176 cited

Dark Energy Survey Year 3 Results: Redshift Calibration of the Weak Lensing Source Galaxies

J. Myles, A. Alarcon, A. Amon +105

Determining the distribution of redshifts of galaxies observed by wide-field photometric experiments like the Dark Energy Survey is an essential component to mapping the matter den…

astro-ph.GA2020★ 44 cited

Pushing automated morphological classifications to their limits with the Dark Energy Survey

J. Vega-Ferrero, H. Domínguez Sánchez, M. Bernardi +60

We present morphological classifications of 27 million galaxies from the Dark Energy Survey (DES) Data Release 1 (DR1) using a supervised deep learning algorithm. The classif…

astro-ph.GA2020★ 46 cited

A machine learning approach to galaxy properties: joint redshift-stellar mass probability distributions with Random Forest

S. Mucesh, W. G. Hartley, A. Palmese +72

We demonstrate that highly accurate joint redshift-stellar mass probability distribution functions (PDFs) can be obtained using the Random Forest (RF) machine learning (ML) algorit…

astro-ph.GA2020★ 34 cited

Identifying RR Lyrae Variable Stars in Six Years of the Dark Energy Survey

K. M. Stringer, A. Drlica-Wagner, L. Macri +67

We present a search for RR Lyrae stars using the full six-year data set from the Dark Energy Survey (DES) covering ~5,000 sq. deg. of the southern sky. Using a multi-stage multi-va…

astro-ph.CO2020★ 23 cited

Consistency of cosmic shear analyses in harmonic and real space

C. Doux, C. Chang, B. Jain +67

Recent cosmic shear studies have reported discrepancies of up to on the parameter between the analysis of shear power spectra and two-point…

astro-ph.CO2020★ 76 cited

Dark Energy Survey Year 3 Results: Optimizing the Lens Sample in Combined Galaxy Clustering and Galaxy-Galaxy Lensing Analysis

A. Porredon, M. Crocce, P. Fosalba +77

We investigate potential gains in cosmological constraints from the combination of galaxy clustering and galaxy-galaxy lensing by optimizing the lens galaxy sample selection using…

astro-ph.CO2020★ 36 cited

Dark Energy Survey internal consistency tests of the joint cosmological probes analysis with posterior predictive distributions

C. Doux, E. Baxter, P. Lemos +85

Beyond-CDM physics or systematic errors may cause subsets of a cosmological data set to appear inconsistent when analyzed assuming CDM. We present an application of internal…

astro-ph.CO2020★ 183 cited

Dark Energy Survey Year 3 Results: Weak Lensing Shape Catalogue

M. Gatti, E. Sheldon, A. Amon +100

We present and characterise the galaxy shape catalogue from the first 3 years of Dark Energy Survey (DES) observations, over an effective area of ~4143 deg of the southern sky.…

astro-ph.IM2020★ 16 cited

Reducing ground-based astrometric errors with Gaia and Gaussian processes

W. F. Fortino, G. M. Bernstein, P. H. Bernardinelli +64

Stochastic field distortions caused by atmospheric turbulence are a fundamental limitation to the astrometric accuracy of ground-based imaging. This distortion field is measurable…

astro-ph.CO2020★ 32 cited

DES Y1 results: Splitting growth and geometry to test CDM

J. Muir, E. Baxter, V. Miranda +100

We analyze Dark Energy Survey (DES) data to constrain a cosmological model where a subset of parameters -- focusing on -- are split into versions associated with structure gr…

astro-ph.EP2020★ 7 cited

Machine Learning for Searching the Dark Energy Survey for Trans-Neptunian Objects

B. Henghes, O. Lahav, D. W. Gerdes +56

In this paper we investigate how implementing machine learning could improve the efficiency of the search for Trans-Neptunian Objects (TNOs) within Dark Energy Survey (DES) data wh…

astro-ph.CO2020★ 302 cited

The Atacama Cosmology Telescope: A Catalog of > 4000 Sunyaev-Zel'dovich Galaxy Clusters

M. Hilton, C. Sifón, S. Naess +146

We present a catalog of 4195 optically confirmed Sunyaev-Zel'dovich (SZ) selected galaxy clusters detected with signal-to-noise > 4 in 13,211 deg of sky surveyed by the Atacama…

astro-ph.GA2020★ 47 cited

Probing galaxy evolution in massive clusters using ACT and DES: splashback as a cosmic clock

Susmita Adhikari, Tae-hyeon Shin, Bhuvnesh Jain +113

We measure the projected number density profiles of galaxies and the splashback feature in clusters selected by the Sunyaev--Zeldovich (SZ) effect from the Advanced Atacama Cosmolo…

astro-ph.CO2020★ 39 cited

Perturbation theory for modeling galaxy bias: validation with simulations of the Dark Energy Survey

S. Pandey, E. Krause, B. Jain +52

We describe perturbation theory (PT) models of galaxy bias for applications to photometric galaxy surveys. We model the galaxy-galaxy and galaxy-matter correlation functions in con…

astro-ph.GA2020★ 38 cited

Discovery of a Candidate Binary Supermassive Black Hole in a Periodic Quasar from Circumbinary Accretion Variability

Wei-Ting Liao, Yu-Ching Chen, Xin Liu +68

Binary supermassive black holes (BSBHs) are expected to be a generic byproduct from hierarchical galaxy formation. The final coalescence of BSBHs is thought to be the loudest gravi…

astro-ph.CO2020★ 83 cited

The Effect of Environment on Type Ia Supernovae in the Dark Energy Survey Three-Year Cosmological Sample

L. Kelsey, M. Sullivan, M. Smith +73

Analyses of type Ia supernovae (SNe Ia) have found puzzling correlations between their standardised luminosities and host galaxy properties: SNe Ia in high-mass, passive hosts appe…

astro-ph.CO2020★ 33 cited

The WaZP galaxy cluster sample of the Dark Energy Survey Year 1

M. Aguena, C. Benoist, L. N. da Costa +57

We present a new (2+1)D galaxy cluster finder based on photometric redshifts called Wavelet Z Photometric (WaZP) applied to DES first year (Y1A1) data. The results are compared to…

astro-ph.CO2020★ 331 cited

Milky Way Satellite Census. III. Constraints on Dark Matter Properties from Observations of Milky Way Satellite Galaxies

E. O. Nadler, A. Drlica-Wagner, K. Bechtol +65

We perform a comprehensive study of Milky Way (MW) satellite galaxies to constrain the fundamental properties of dark matter (DM). This analysis fully incorporates inhomogeneities…

astro-ph.CO2020★ 10 cited

Weak Lensing of Type Ia Supernovae from the Dark Energy Survey

E. Macaulay, D. Bacon, R. C. Nichol +69

We consider the effects of weak gravitational lensing on observations of 196 spectroscopically confirmed Type Ia Supernovae (SNe Ia) from years 1 to 3 of the Dark Energy Survey (DE…