activity
20202022
most citedDark Energy Survey Year 3 Results: Cosmological Constraints from Galaxy Clustering and Weak Lensing

1.2k citations · 2.4k across the 21 of their papers we have counts for

collaborators

21 papers

astro-ph.CO2022★ 5 cited

Non-local contribution from small scales in galaxy-galaxy lensing: Comparison of mitigation schemes

J. Prat, G. Zacharegkas, Y. Park +112

Recent cosmological analyses with large-scale structure and weak lensing measurements, usually referred to as 32pt, had to discard a lot of signal-to-noise from small scale…

astro-ph.CO2022★ 43 cited

Concerning Colour: The Effect of Environment on Type Ia Supernova Colour in the Dark Energy Survey

L. Kelsey, M. Sullivan, P. Wiseman +67

Recent analyses have found intriguing correlations between the colour () of type Ia supernovae (SNe Ia) and the size of their 'mass-step', the relationship between SN Ia host ga…

astro-ph.CO2022

Dark Energy Survey Year 3 Results: Constraints on extensions to CDM with weak lensing and galaxy clustering

DES Collaboration, T. M. C. Abbott, M. Aguena +159

We constrain extensions to the CDM model using measurements from the Dark Energy Survey's first three years of observations and external data. The DES data are the two-point cor…

astro-ph.CO2022★ 1 cited

Joint analysis of DES Year 3 data and CMB lensing from SPT and Planck III: Combined cosmological constraints

T. M. C. Abbott, M. Aguena, A. Alarcon +168

We present cosmological constraints from the analysis of two-point correlation functions between galaxy positions and galaxy lensing measured in Dark Energy Survey (DES) Year 3 dat…

astro-ph.CO2022★ 45 cited

Constraining the Baryonic Feedback with Cosmic Shear Using the DES Year-3 Small-Scale Measurements

A. Chen, G. Aricò, D. Huterer +139

We use the small scales of the Dark Energy Survey (DES) Year-3 cosmic shear measurements, which are excluded from the DES Year-3 cosmological analysis, to constrain the baryonic fe…

astro-ph.CO2022★ 1 cited

The Dark Energy Survey Supernova Program results: Type Ia Supernova brightness correlates with host galaxy dust

Cole Meldorf, Antonella Palmese, Dillon Brout +68

Cosmological analyses with type Ia supernovae (SNe Ia) often assume a single empirical relation between color and luminosity () and do not account for varying host-galaxy dust p…

astro-ph.CO2022★ 36 cited

Joint analysis of DES Year 3 data and CMB lensing from SPT and Planck II: Cross-correlation measurements and cosmological constraints

C. Chang, Y. Omori, E. J. Baxter +163

Cross-correlations of galaxy positions and galaxy shears with maps of gravitational lensing of the cosmic microwave background (CMB) are sensitive to the distribution of large-scal…

astro-ph.CO2022★ 23 cited

Joint analysis of DES Year 3 data and CMB lensing from SPT and Planck I: Construction of CMB Lensing Maps and Modeling Choices

Y. Omori, E. J. Baxter, C. Chang +160

Joint analyses of cross-correlations between measurements of galaxy positions, galaxy lensing, and lensing of the cosmic microwave background (CMB) offer powerful constraints on th…

astro-ph.CO2022★ 32 cited

Measuring Cosmological Parameters with Type Ia Supernovae in redMaGiC galaxies

R. Chen, D. Scolnic, E. Rozo +82

Current and future cosmological analyses with Type Ia Supernovae (SNe Ia) face three critical challenges: i) measuring redshifts from the supernova or its host galaxy; ii) classify…

astro-ph.CO2021

Dark Energy Survey Year 3 results: Cosmology with peaks using an emulator approach

D. Zürcher, J. Fluri, R. Sgier +119

We constrain the matter density and the amplitude of density fluctuations within the CDM cosmological model with shear peak statistics and angular converg…

astro-ph.CO2021★ 27 cited

Cross-correlation of DES Y3 lensing and ACT/ thermal Sunyaev Zel'dovich Effect I: Measurements, systematics tests, and feedback model constraints

M. Gatti, S. Pandey, E. Baxter +126

We present a tomographic measurement of the cross-correlation between thermal Sunyaev-Zeldovich (tSZ) maps from and the Atacama Cosmology Telescope (ACT) and weak ga…

astro-ph.CO2021★ 43 cited

Cross-correlation of DES Y3 lensing and ACT/ thermal Sunyaev Zel'dovich Effect II: Modeling and constraints on halo pressure profiles

S. Pandey, M. Gatti, E. Baxter +121

Hot, ionized gas leaves an imprint on the cosmic microwave background via the thermal Sunyaev Zel'dovich (tSZ) effect. The cross-correlation of gravitational lensing (which traces…

astro-ph.CO2021★ 2 cited

Dark Energy Survey Year 3 results: Galaxy-halo connection from galaxy-galaxy lensing

G. Zacharegkas, C. Chang, J. Prat +114

Galaxy-galaxy lensing is a powerful probe of the connection between galaxies and their host dark matter halos, which is important both for galaxy evolution and cosmology. We extend…

astro-ph.CO2021★ 1.2k cited

Dark Energy Survey Year 3 Results: Cosmological Constraints from Galaxy Clustering and Weak Lensing

DES Collaboration, T. M. C. Abbott, M. Aguena +168

We present the first cosmology results from large-scale structure in the Dark Energy Survey (DES) spanning 5000 deg. We perform an analysis combining three two-point correlatio…

astro-ph.CO2021★ 8 cited

Dark Energy Survey Year 3 Results: Constraints on cosmological parameters and galaxy bias models from galaxy clustering and galaxy-galaxy lensing using the redMaGiC sample

S. Pandey, E. Krause, J. DeRose +138

We constrain cosmological and galaxy-bias parameters using the combination of galaxy clustering and galaxy-galaxy lensing measurements from the Dark Energy Survey Year-3 data. We d…

astro-ph.CO2021★ 448 cited

Dark Energy Survey Year 3 Results: Cosmology from Cosmic Shear and Robustness to Data Calibration

A. Amon, D. Gruen, M. A. Troxel +144

This work, together with its companion paper, Secco and Samuroff et al. (2021), presents the Dark Energy Survey Year 3 cosmic shear measurements and cosmological constraints based…

astro-ph.CO2021★ 47 cited

Dark Energy Survey Year 3 Results: Exploiting small-scale information with lensing shear ratios

C. Sánchez, J. Prat, G. Zacharegkas +138

Using the first three years of data from the Dark Energy Survey, we use ratios of small-scale galaxy-galaxy lensing measurements around the same lens sample to constrain source red…

astro-ph.CO2021★ 59 cited

Dark Energy Survey Year 3 Results: High-precision measurement and modeling of galaxy-galaxy lensing

J. Prat, J. Blazek, C. Sánchez +138

We present and characterize the galaxy-galaxy lensing signal measured using the first three years of data from the Dark Energy Survey (DES Y3) covering 4132 deg. These galaxy-g…

astro-ph.CO2021★ 94 cited

Dark Energy Survey Year 3 results: curved-sky weak lensing mass map reconstruction

N. Jeffrey, M. Gatti, C. Chang +127

We present reconstructed convergence maps, \textit{mass maps}, from the Dark Energy Survey (DES) third year (Y3) weak gravitational lensing data set. The mass maps are weighted pro…

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.…