activity
20172025
most citedDark Energy Survey Year 1 Results: Cosmological Constraints from Galaxy Clustering and Weak Lensing

1.2k citations · 1.5k across the 23 of their papers we have counts for

collaborators

25 papers

astro-ph.CO2025★ 48 cited

The Dark Energy Survey Supernova Program: A Reanalysis Of Cosmology Results And Evidence For Evolving Dark Energy With An Updated Type Ia Supernova Calibration

B. Popovic, P. Shah, W. D. Kenworthy +80

We present improved cosmological constraints from a re-analysis of the Dark Energy Survey (DES) 5-year sample of Type Ia supernovae (DES-SN5YR). This re-analysis includes an improv…

astro-ph.GA2025★ 3 cited

Ultra-Faint Milky Way Satellites Discovered in Carina, Phoenix, and Telescopium with DELVE Data Release 3

C. Y. Tan, W. Cerny, A. B. Pace +76

We report the discovery of three Milky Way satellite candidates: Carina IV, Phoenix III, and DELVE 7, in the third data release of the DECam Local Volume Exploration survey (DELVE)…

astro-ph.GA2025★ 1 cited

Robust Measurement of Stellar Streams Around the Milky Way: Correcting Spatially Variable Observational Selection Effects in Optical Imaging Surveys

K. K. Boone, P. S. Ferguson, M. Tabbutt +47

Observations of density variations in stellar streams are a promising probe of low-mass dark matter substructure in the Milky Way. However, survey systematics such as variations in…

astro-ph.CO2025

Dark Energy Survey Year 6 Results: Redshift Calibration of the MagLim++ Lens Sample

G. Giannini, A. Alarcon, W. d'Assignies +85

In this work, we derive and calibrate the redshift distribution of the MagLim++ lens galaxy sample used in the Dark Energy Survey Year 6 (DES Y6) 3x2pt cosmology analysis. The 3x2p…

astro-ph.CO2025

Dark Energy Survey Year 6 Results: improved mitigation of spatially varying observational systematics with masking for the MagLim++ lens sample

M. Rodríguez-Monroy, N. Weaverdyck, J. Elvin-Poole +63

As photometric surveys reach unprecedented statistical precision, systematic uncertainties increasingly dominate large-scale structure probes relying on galaxy number density. Defi…

astro-ph.EP2025★ 1 cited

Photometry of outer Solar System objects from the Dark Energy Survey II: a joint analysis of trans-Neptunian absolute magnitudes, colors, lightcurves and dynamics

Pedro H. Bernardinelli, Gary M. Bernstein, T. M. C. Abbott +43

For the 696 trans-Neptunian objects (TNOs) with absolute magnitudes detected in the Dark Energy Survey (DES), we characterize the relationships between their dyna…

astro-ph.GA2024★ 1 cited

The Hierarchical Growth of Bright Central Galaxies and Intracluster Light as Traced by the Magnitude Gap

Jesse B. Golden-Marx, Y. Zhang, R. L. C. Ogando +48

Using a sample of 2800 galaxy clusters identified in the Dark Energy Survey across the redshift range , we characterize the hierarchical assembly of Bright Central…

astro-ph.CO2024

Reduction of the type Ia supernova host galaxy step in the outer regions of galaxies

M. Toy, P. Wiseman, M. Sullivan +63

Using 1533 type Ia supernovae (SNe Ia) from the five-year sample of the Dark Energy Survey (DES), we investigate the relationship between the projected galactocentric separation of…

astro-ph.CO2024

Calibrating the Absolute Magnitude of Type Ia Supernovae in Nearby Galaxies using [OII] and Implications for

M. Dixon, J. Mould, C. Lidman +69

The present state of cosmology is facing a crisis where there is a fundamental disagreement in measurements of the Hubble constant (), with significant tension between the e…

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★ 1 cited

Evaluating Cosmological Biases using Photometric Redshifts for Type Ia Supernova Cosmology with the Dark Energy Survey Supernova Program

R. Chen, D. Scolnic, M. Vincenzi +73

Cosmological analyses with Type Ia Supernovae (SNe Ia) have traditionally been reliant on spectroscopy for both classifying the type of supernova and obtaining reliable redshifts t…

astro-ph.CO2024

Modelling the impact of host galaxy dust on type Ia supernova distance measurements

B. Popovic, P. Wiseman, M. Sullivan +65

Type Ia Supernovae (SNe Ia) are a critical tool in measuring the accelerating expansion of the universe. Recent efforts to improve these standard candles have focused on incorporat…

astro-ph.CO2024

The Dark Energy Survey Supernova Program: An updated measurement of the Hubble constant using the Inverse Distance Ladder

R. Camilleri, T. M. Davis, S. R. Hinton +77

We measure the current expansion rate of the Universe, Hubble's constant , by calibrating the absolute magnitudes of supernovae to distances measured by Baryon Acoustic Oscill…

astro-ph.CO2024★ 9 cited

The Dark Energy Survey Supernova Program: Light curves and 5-Year data release

B. O. Sánchez, D. Brout, M. Vincenzi +82

We present photometric light curves for the full 5 years of the Dark Energy Survey Supernova program (DES-SN), obtained with both forced Point Spread Function (PSF) photomet…

astro-ph.CO2024★ 1 cited

The Dark Energy Survey Supernova Program: Slow supernovae show cosmological time dilation out to

R. M. T. White, T. M. Davis, G. F. Lewis +67

We present a precise measurement of cosmological time dilation using the light curves of 1504 type Ia supernovae from the Dark Energy Survey spanning a redshift range $0.1\lesssim…

astro-ph.CO2024

The Dark Energy Survey Supernova Program: Investigating Beyond-CDM

R. Camilleri, T. M. Davis, M. Vincenzi +77

We report constraints on a variety of non-standard cosmological models using the full 5-year photometrically-classified type Ia supernova sample from the Dark Energy Survey (DES-SN…

astro-ph.CO2024

The Dark Energy Survey 5-year photometrically classified type Ia supernovae without host-galaxy redshifts

A. Möller, P. Wiseman, M. Smith +60

Current and future Type Ia Supernova (SN Ia) surveys will need to adopt new approaches to classifying SNe and obtaining their redshifts without spectra if they wish to reach their…

astro-ph.CO2024

Copacabana: A Probabilistic Membership Assignment Method for Galaxy Clusters

J. H. Esteves, M. E. S. Pereira, M. Soares-Santos +52

Cosmological analyses using galaxy clusters in optical/NIR photometric surveys require robust characterization of their galaxy content. Precisely determining which galaxies belong…

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★ 37 cited

The Dark Energy Survey: Cosmology Results With ~1500 New High-redshift Type Ia Supernovae Using The Full 5-year Dataset

DES Collaboration, T. M. C. Abbott, M. Acevedo +156

We present cosmological constraints from the sample of Type Ia supernovae (SN Ia) discovered during the full five years of the Dark Energy Survey (DES) Supernova Program. In contra…

astro-ph.CO2023★ 5 cited

Dark Energy Survey Deep Field photometric redshift performance and training incompleteness assessment

L. Toribio San Cipriano, J. De Vicente, I. Sevilla-Noarbe +55

Context. The determination of accurate photometric redshifts (photo-zs) in large imaging galaxy surveys is key for cosmological studies. One of the most common approaches are machi…

astro-ph.CO2023★ 14 cited

Cosmology from Cross-Correlation of ACT-DR4 CMB Lensing and DES-Y3 Cosmic Shear

S. Shaikh, I. Harrison, A. van Engelen +105

Cross-correlation between weak lensing of the Cosmic Microwave Background (CMB) and weak lensing of galaxies offers a way to place robust constraints on cosmological and astrophysi…

astro-ph.GA2020★ 40 cited

The Host Galaxies of Rapidly Evolving Transients in the Dark Energy Survey

P. Wiseman, M. Pursiainen, M. Childress +72

Rapidly evolving transients (RETs), also termed fast blue optical transients (FBOTs), are a distinct class of astrophysical event. They are characterised by lightcurves that declin…

astro-ph.CO2019★ 51 cited

Dark Energy Survey Year 1 results: The relationship between mass and light around cosmic voids

Y. Fang, N. Hamaus, B. Jain +74

What are the mass and galaxy profiles of cosmic voids? In this paper we use two methods to extract voids in the Dark Energy Survey (DES) Year 1 redMaGiC galaxy sample to address th…