activity
20032026
most citedEight New Milky Way Companions Discovered in First-Year Dark Energy Survey Data

576 citations · 2.2k across the 36 of their papers we have counts for

collaborators

37 papers

astro-ph.CO2026

Brightest Cluster Galaxy ellipticity as proxy for halo shape: Orientation bias, assembly bias, and potential selection effects in SZ-selected clusters

Radhakrishnan Srinivasan, Tae-hyeon Shin, Anja von der Linden +93

The orientation of triaxial galaxy clusters with respect to the line-of-sight is expected to be one of the prime sources of scatter and potential bias in optical observables (e.g.,…

astro-ph.CO2025

Weak Lensing Mass Calibration of the ACT DR5 Galaxy Clusters with the DES Year 3 Weak Lensing Data

T. Shin, E. J. Baxter, E. Lee +93

We use weak gravitational lensing measurements from Year 3 Dark Energy Survey data to calibrate the masses of 443 galaxy clusters selected via the Sunyaev-Zel'dovich effect from At…

astro-ph.CO2025

Dark Energy Survey Year 6 Results: Redshift Calibration of the Weak Lensing Source Galaxies

B. Yin, A. Amon, A. Campos +95

Determining the distribution of redshifts for galaxies in wide-field photometric surveys is essential for robust cosmological studies of weak gravitational lensing. We present the…

astro-ph.CO2025

The final WaZP galaxy cluster catalog of the Dark Energy Survey and comparison with SZE data

C. Benoist, M. Aguena, L. da Costa +43

In this work, we present and characterize the galaxy cluster catalog detected by the WaZP cluster finder, which is not based on red-sequence identification, on the full six years o…

astro-ph.CO2024★ 3 cited

The Gravitational Lensing Imprints of DES Y3 Superstructures on the CMB: A Matched Filtering Approach

Umut Demirbozan, Seshadri Nadathur, Ismael Ferrero +63

Low density cosmic voids gravitationally lens the cosmic microwave background (CMB), leaving a negative imprint on the CMB convergence . This effect provides insight into the…

astro-ph.IM2022

The PAU Survey & Euclid: Improving broad-band photometric redshifts with multi-task learning

L. Cabayol, M. Eriksen, J. Carretero +123

Current and future imaging surveys require photometric redshifts (photo-zs) to be estimated for millions of galaxies. Improving the photo-z quality is a major challenge but is need…

astro-ph.CO2022★ 9 cited

Primordial non-Gaussianity with Angular correlation function: Integral constraint and validation for DES

Walter Riquelme, Santiago Avila, Juan Garcia-Bellido +17

Local primordial non-Gaussianity (PNG) is a promising observable of the underlying physics of inflation, characterised by . We present the methodology to meas…

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.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.GA2020★ 46 cited

Dust Reverberation Mapping in Distant Quasars from Optical and Mid-Infrared Imaging Surveys

Qian Yang, Yue Shen, Xin Liu +47

The size of the dust torus in Active Galactic Nuclei (AGN) and their high-luminosity counterparts, quasars, can be inferred from the time delay between UV/optical accretion disk co…

astro-ph.CO2020★ 50 cited

Dark Energy Survey Year 1 Results: Constraining Baryonic Physics in the Universe

Hung-Jin Huang, Tim Eifler, Rachel Mandelbaum +74

Measurements of large-scale structure are interpreted using theoretical predictions for the matter distribution, including potential impacts of baryonic physics. We constrain the f…

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.CO2019★ 71 cited

Tomographic galaxy clustering with the Subaru Hyper Suprime-Cam first year public data release

Andrina Nicola, David Alonso, Javier Sánchez +12

We analyze the clustering of galaxies in the first public data release of the HSC Subaru Strategic Program. Despite the relatively small footprints of the observed fields, the data…

astro-ph.GA2019★ 29 cited

Spectral Variability of a Sample of Extreme Variability Quasars and Implications for the MgII Broad-line Region

Qian Yang, Yue Shen, Yu-Ching Chen +49

We present new Gemini/GMOS optical spectroscopy of 16 extreme variability quasars (EVQs) that dimmed by more than 1.5 mag in the band between the Sloan Digital Sky Survey (SDSS…

astro-ph.GA2018★ 19 cited

Candidate Massive Galaxies at in the Dark Energy Survey

Pierandrea Guarnieri, Claudia Maraston, Daniel Thomas +52

Using stellar population models, we predicted that the Dark Energy Survey (DES) - due to its special combination of area (5000 deg. sq.) and depth () - would be in the po…

astro-ph.EP2018★ 10 cited

Astrometry and Occultation predictions to Trans-Neptunian and Centaur Objects observed within the Dark Energy Survey

Martin Banda-Huarca, Julio Camargo, Josselin Desmars +59

Transneptunian objects (TNOs) are a source of invaluable information to access the history and evolution of the outer solar system. However, observing these faint objects is a diff…

astro-ph.CO2016★ 69 cited

Cosmology from large scale galaxy clustering and galaxy-galaxy lensing with Dark Energy Survey Science Verification data

Juliana Kwan, Carles Sanchez, Joseph Clampitt +80

We present cosmological constraints from the Dark Energy Survey (DES) using a combined analysis of angular clustering of red galaxies and their cross-correlation with weak gravitat…

astro-ph.CO2015★ 131 cited

Constraints on the Richness-Mass Relation and the Optical-SZE Positional Offset Distribution for SZE-Selected Clusters

A. Saro, S. Bocquet, E. Rozo +99

We cross-match galaxy cluster candidates selected via their Sunyaev-Zel'dovich effect (SZE) signatures in 129.1 deg of the South Pole Telescope 2500d SPT-SZ survey with optical…

astro-ph.CO2015★ 47 cited

Wide-Field Lensing Mass Maps from DES Science Verification Data

C. Chang, V. Vikram, B. Jain +81

We present a mass map reconstructed from weak gravitational lensing shear measurements over 139 sq. deg from the Dark Energy Survey (DES) Science Verification data. The mass map pr…

astro-ph.GA2015★ 76 cited

DES J0454-4448: Discovery of the First Luminous z > 6 Quasar from the Dark Energy Survey

S. L. Reed, R. G. McMahon, M. Banerji +59

We present the first results of a survey for high redshift, z 6, quasars using izY multi-colour photometric observations from the Dark Energy Survey (DES). Here we report the…

astro-ph.CO2015★ 14 cited

Wide-Field Lensing Mass Maps from DES Science Verification Data: Methodology and Detailed Analysis

V. Vikram, C. Chang, B. Jain +91

Weak gravitational lensing allows one to reconstruct the spatial distribution of the projected mass density across the sky. These "mass maps" provide a powerful tool for studying c…

astro-ph.HE2015

DESAlert: Enabling Real-Time Transient Follow-Up with Dark Energy Survey Data

A. Poci, K. Kuehn, the DES Collaboration +63

The Dark Energy Survey (DES) is currently undertaking an observational program imaging of the southern hemisphere sky with unprecedented photometric accuracy. In the process…

astro-ph.GA2015★ 54 cited

Galaxies in X-ray Selected Clusters and Groups in Dark Energy Survey Data I: Stellar Mass Growth of Bright Central Galaxies Since z~1.2

Y. Zhang, C. Miller, T. Mckay +80

Using the science verification data of the Dark Energy Survey (DES) for a new sample of 106 X-Ray selected clusters and groups, we study the stellar mass growth of Bright Central G…

astro-ph.GA2015★ 162 cited

Stellar Kinematics and Metallicities in the Ultra-Faint Dwarf Galaxy Reticulum II

J. D. Simon, A. Drlica-Wagner, T. S. Li +69

We present Magellan/M2FS, VLT/GIRAFFE, and Gemini South/GMOS spectroscopy of the newly discovered Milky Way satellite Reticulum II. Based on the spectra of 25 Ret II member stars s…