activity
20152026
most citedEight New Milky Way Companions Discovered in First-Year Dark Energy Survey Data

576 citations · 2.5k across the 95 of their papers we have counts for

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72 papers · 1 filter

astro-ph.CO2026

A census of Dark Energy Survey Year 3 redMaPPer galaxy clusters in a high exposure eROSITA All Sky Survey region

P. A. Giles, A. K. Romer, J. Pilling +64

We present the cross-match of galaxy clusters detected by redMaPPer using the first three years of Dark Energy Survey (DESY3RM) operations, and the first release of the eROSITA-All…

astro-ph.CO2026

Probing Baryons with the Kinematic Sunyae Zel'dovich Effect and Machine Learning Derived Peculiar Velocities using DESI DR2 and ACT DR6

Yulin Gong, Rachel Bean, Patricio A. Gallardo +54

We present novel empirical constraints on average optical depths and gas density profiles from combining kinematic Sunyaev Zel'dovich effect (kSZ) measurements and nonlinear peculi…

astro-ph.CO2026

Model-Independent Measurement of Baryon Gas Fractions through Galaxy-Galaxy Lensing and the Kinematic Sunyaev-Zel'dovich Effect

R. Henry Liu, Uroš Seljak, Simone Ferraro +52

Baryon feedback is a leading source of systematic uncertainty for cosmology from weak lensing, but measurements of the gas distribution around galaxies have largely relied on param…

astro-ph.CO2026

Intrinsic Tidal Shear at the Largest Scales: Galaxy Multiplet Alignment in DESI DR2

C. Lamman, J. Aguilar, S. Ahlen +45

We measure the intrinsic alignment (IA) of galaxy multiplets with the large-scale tidal field traced by galaxy positions in DESI Data Release 2. Using the BGS, LRG, and ELG samples…

astro-ph.CO2026

FOSSIL: A future mission for CMB spectral distortion measurements

N. Aghanim, B. Maffei, J. Aumont +96

We present FOSSIL, a proposed space mission which is designed to deliver unprecedented absolute spectroscopic measurements of the sky intensity over a broad frequency range (50GHz…

astro-ph.CO2026

Optical Depths from the Thermal Sunyaev-Zel'dovich Effect with ACT DR6 and DESI DR1 Spectroscopic Galaxies and Optically-Selected Clusters

J. E. Moore, C. Popik, Y. Gong +66

We present stacked thermal Sunyaev-Zel'dovich (tSZ) effect measurements for three samples of galaxy groups and clusters: those traced by the Dark Energy Spectroscopic Instrument Da…

astro-ph.CO2026

A Finely-Binned Measurement of the Connected Even-Parity Galaxy 4-Point Correlation Function of DESI Year 1 Luminous Red Galaxies

William Ortolá Leonard, Alex Krolewski, Zachary Slepian +46

We present the connected even-parity galaxy 4-Point Correlation Function (4PCF) of DESI Year 1 (Y1) Luminous Red Galaxies (LRGs). This is one of the first measurements of the conne…

astro-ph.CO2026

Sizing the Universe with DESI Galaxy Sizes: Plain Fundamentals of Fundamental-Plane Lensing

Kun Xu, Jiaqi Wang, Ravi K. Sheth +44

Weak gravitational lensing provides a powerful way to map cosmic structure, but most current measurements rely on galaxy shape distortions from deep imaging surveys and are affecte…

astro-ph.CO2026

Validation of the DESI DR2 Ly forest full-shape analysis

M. Herbold, A. Cuceu, P. Martini +100

We present the validation of the Dark Energy Spectroscopic Instrument (DESI) Data Release 2 (DR2) Lyman- (Ly) forest full-shape analysis. This analysis combines three-dimensi…

astro-ph.CO2026

DESI DR2 Results IV: Alcock-Paczyński Measurements from the Lyman Alpha Forest and Cosmological Constraints

DESI Collaboration, A. G. Adame, J. Aguilar +152

We present Alcock-Paczyński (AP) measurements from the full shape of Lyman- (Ly) forest correlation functions measured from the second data release (DR2) of the Dark Energy S…

astro-ph.CO2026

Probing the matter-dominated expansion with multi-redshift Lyman- BAO from DESI DR2

Hiram K. Herrera-Alcantar, Julien Guy, Alma X. Gonzalez-Morales +60

We present a multi-redshift Baryon Acoustic Oscillations (BAO) analysis of the DESI Data Release 2 (DR2) Lyman- (Ly) forest, splitting the forest auto-correlation and its cro…

astro-ph.CO2026

Alcock-Paczynski Blinding Scheme for the Ly- Forest Analysis

G. Perez-Sanchez, S. F. Beltran, G. Niz +45

We present and validate a blinding method for the Lyman- (Ly) forest analysis based on a modification of the Alcock-Paczynski test. In order to hide the background expansion…

astro-ph.CO2026

Tomography of the gamma-ray sky from cross-correlation with DESI DR2 and unWISE galaxies

Alex Krolewski, Neal Dalal, Will J. Percival +39

We study the origin of extragalactic gamma-ray emission observed by Fermi-LAT, using the cross-correlation of the gamma-ray sky with maps of large-scale structure provided by the D…

astro-ph.CO2026

Dark Energy Survey Year 3 results: optimized CDM simulation-based inference with weak lensing map-level hybrid statistics

J. Williamson, T. L. Makinen, N. Porqueres +85

We present cosmological constraints from the Dark Energy Survey Year 3 (DES Y3) weak lensing data using hierarchical hybrid statistics within a Bayesian simulation-based inference…

astro-ph.CO2026

Constraints on Dynamical Dark Energy from Multiple Probes in the Full Dark Energy Survey

DES Collaboration, T. M. C. Abbott, M. Adamow +166

We present results on dark energy evolution, assuming a time-dependent equation of state , from growth and geometric probes using the full six-year Dark Energy S…

astro-ph.CO2026

Precision Kinematic Sunyaev--Zel'dovich Measurements Across Halo Mass and Redshift with DESI DR2 and ACT DR6: Part II. Bright Galaxy Survey and Emission-Line Galaxies

B. Hadzhiyska, S. Ferraro, F. J. Qu +50

We present the first high-significance spectroscopic stacked kinetic Sunyaev-Zel'dovich (kSZ) measurements of circumgalactic gas profiles for both Bright Galaxy Survey (BGS) and Em…

astro-ph.CO2026

Local primordial non-Gaussianity using cross-correlations of DESI tracers

A. J. Rosado-Marín, A. J. Ross, H. Seo +46

We constrain local primordial non-Gaussianity by a combined analysis of auto and cross-correlations of DESI DR1 tracers, leveraging LRGs and QSOs as well as ELGs between $0.8<z<3.1…

astro-ph.CO2026

Measurement of the galaxy-velocity power spectrum of DESI tracers with the kinematic Sunyaev-Zeldovich effect using DESI DR2 and ACT DR6

Edmond Chaussidon, Selim C. Hotinli, Simone Ferraro +49

Joint analyses of high-resolution CMB temperature maps with galaxy surveys provide a unique way to reconstruct the radial velocity field of the underlying matter distribution via t…

astro-ph.CO2026

Precision Kinematic Sunyaev--Zel'dovich Measurements Across Halo Mass and Redshift with DESI DR2 and ACT DR6: Part I. Luminous Red Galaxies

F. J. Qu, B. Ried Guachalla, E. Schaan +51

We present the most precise measurements of the kinetic Sunyaev-Zel'dovich (kSZ) effect around luminous red galaxies to date, detecting the signal at significance in both har…

astro-ph.CO2026

DESI DR2 Baryon Acoustic Oscillations from the Lyman Alpha Forest Multipoles

N. G. Karaçaylı, A. Cuceu, J. Aguilar +55

We present an alternative measurement of the Baryon Acoustic Oscillation (BAO) using the Legendre multipole representation of the Ly forest correlation functions from the second…

astro-ph.CO2026

Cosmological constraints from a joint DESI DR1 Full-Shape and DR2 BAO

D. Forero-Sánchez, H. Gil-Marín, L. Verde +61

We present a cosmological analysis combining full-shape (FS) clustering measurements from the Dark Energy Spectroscopic Instrument (DESI) DR1 with baryon acoustic oscillation (BAO)…

astro-ph.CO2026

First Detection of the Baryon Acoustic Oscillation (BAO) Feature in the 3-Point Correlation Function of DESI DR1 Luminous Red Galaxies

Farshad Kamalinejad, Zachary Slepian, Alex Krolewski +55

We present the first detection of the 3-Point Correlation Function (3PCF) Baryon Acoustic Oscillation (BAO) signal from the DESI Data Release 1 (DR1) sample of Luminous Red Galaxie…

astro-ph.CO2026

Assembly bias and local Primordial non-Gaussianity from DESI DR1 Quasars

E. Fondi, L. Verde, E. Chaussidon +40

The analysis of the large-scale clustering of quasars (QSO) observed by the Dark Energy Spectroscopic Instrument (DESI) represents a promising avenue for constraining local Primord…

astro-ph.CO2026

Dark Energy Survey Year 6 Results: Cosmological Constraints from Cosmic Shear

DES Collaboration, T. M. C. Abbott, M. Aguena +126

We present legacy cosmic shear measurements and cosmological constraints using six years of Dark Energy Survey imaging data. From these data, we study ~140 million galaxies (8.29 g…