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20012026
most citedThe Astropy Project: Sustaining and Growing a Community-oriented Open-source Project and the Latest Major Release (v5.0) of the Core Package

5k citations · 36.6k across the 347 of their papers we have counts for

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Showing 2020Show all

21 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★ 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★ 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.CO2020★ 12 cited

Clustering of CODEX clusters

Valtteri Lindholm, Alexis Finoguenov, Johan Comparat +7

Aims. We analyze the autocorrelation function of a large contiguous sample of galaxy clusters, the Constrain Dark Energy with X-ray (CODEX) sample, in which we take particular care…

astro-ph.CO2020★ 37 cited

Spectroscopic Quantification of Projection Effects in the SDSS redMaPPer Galaxy Cluster Catalogue

J. Myles, D. Gruen, A. B. Mantz +12

Projection effects, whereby galaxies along the line-of-sight to a galaxy cluster are mistakenly associated with the cluster halo, present a significant challenge for optical cluste…

astro-ph.IM2020★ 82 cited

Dark Energy Survey Year 3 Results: Point-Spread Function Modeling

M. Jarvis, G. M. Bernstein, A. Amon +79

We introduce a new software package for modeling the point-spread function (PSF) of astronomical images, called Piff (PSFs In the Full FOV), which we apply to the first three years…

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★ 107 cited

Dark Energy Survey Year 1 Results: Cosmological Constraints from Cluster Abundances, Weak Lensing, and Galaxy Correlations

C. To, E. Krause, E. Rozo +105

Combining multiple observational probes is a powerful technique to provide robust and precise constraints on cosmological parameters. In this letter, we present the first joint ana…

astro-ph.IM2020★ 85 cited

The LSST DESC DC2 Simulated Sky Survey

LSST Dark Energy Science Collaboration, Bela Abolfathi, David Alonso +77

We describe the simulated sky survey underlying the second data challenge (DC2) carried out in preparation for analysis of the Vera C. Rubin Observatory Legacy Survey of Space and…

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★ 27 cited

Combination of cluster number counts and two-point correlations: Validation on Mock Dark Energy Survey

C. To, E. Krause, E. Rozo +10

We present a method of combining cluster abundances and large-scale two-point correlations, namely galaxy clustering, galaxy--cluster cross-correlations, cluster auto-correlations,…

astro-ph.CO2020★ 86 cited

OzDES multi-object fibre spectroscopy for the Dark Energy Survey: Results and second data release

C. Lidman, B. E. Tucker, T. M. Davis +101

We present a description of the Australian Dark Energy Survey (OzDES) and summarise the results from its six years of operations. Using the 2dF fibre positioner and AAOmega spectro…

astro-ph.GA2020

The Diffuse Light Envelope of Luminous Red Galaxies

Y. Leung, Y. Zhang, B. Yanny +53

We use a stacking method to study the radial light profiles of luminous red galaxies (LRGs) at redshift and , out to a radial range of 200 kpc. We do not fin…

astro-ph.GA2020★ 45 cited

A joint SZ-Xray-optical analysis of the dynamical state of 288 massive galaxy clusters

A. Zenteno, D. Hernández-Lang, M. Klein +75

We use imaging from the first three years of the Dark Energy Survey to characterize the dynamical state of 288 galaxy clusters at detected in the Sout…

astro-ph.GA2020★ 47 cited

The impact of spectroscopic incompleteness in direct calibration of redshift distributions for weak lensing surveys

W. G. Hartley, C. Chang, S. Samani +74

Obtaining accurate distributions of galaxy redshifts is a critical aspect of weak lensing cosmology experiments. One of the methods used to estimate and validate redshift distribut…

astro-ph.CO2020★ 279 cited

Dark Energy Survey Year 1 Results: Cosmological Constraints from Cluster Abundances and Weak Lensing

DES Collaboration, Tim Abbott, Michel Aguena +129

We perform a joint analysis of the counts and weak lensing signal of redMaPPer clusters selected from the Dark Energy Survey (DES) Year 1 dataset. Our analysis uses the same shear…

astro-ph.CO2020★ 102 cited

First Cosmology Results using Type Ia Supernovae from the Dark Energy Survey: The Effect of Host Galaxy Properties on Supernova Luminosity

M. Smith, M. Sullivan, P. Wiseman +88

We present improved photometric measurements for the host galaxies of 206 spectroscopically confirmed type Ia supernovae discovered by the Dark Energy Survey Supernova Program (DES…

astro-ph.CO2020★ 4 cited

The Atacama Cosmology Telescope: SZ-based masses and dust emission from IR-selected cluster candidates in the SHELA survey

Brittany J. Fuzia, Lalitwadee Kawinwanichakij, Nicola Mehrtens +19

We examine the stacked thermal Sunyaev-Zel\text{'}dovich (SZ) signals for a sample of galaxy cluster candidates from the Spitzer-HETDEX Exploratory Large Area (SHELA) Survey, which…