activity
20122026
most citedDESI 2024 VI: Cosmological Constraints from the Measurements of Baryon Acoustic Oscillations

1.1k citations · 4.3k across the 33 of their papers we have counts for

collaborators

36 papers

astro-ph.IM2026

Deep Spectroscopy with DESI for Photometric Redshift Training and Calibration

Biprateep Dey, Jeffrey A. Newman, Tianqing Zhang +62

Deep spectroscopic samples can be used to improve photometric redshift (photo-) estimates and reduce uncertainties on redshift distributions. Such improvements can increase the…

astro-ph.CO2026

Dark Energy Survey Year 6 Results: Cosmological Constraints from Galaxy Clustering and Weak Lensing

DES Collaboration, T. M. C. Abbott, M. Adamow +169

We present cosmology results combining galaxy clustering and weak gravitational lensing measured in the full six years (Y6) of observations by the Dark Energy Survey (DES) covering…

astro-ph.CO2025

Probing the environment around GW170817 with DESI: insights on galaxy group peculiar velocities for standard siren measurements

A. J. Amsellem, A. Palmese, K. Douglass +56

We present a new measurement of the Hubble constant, , following the gravitational wave event GW170817 and Dark Energy Spectroscopic Instrument (DESI) observations. A standard…

astro-ph.GA2025

DESI DR2 Galaxy Luminosity Functions

Samuel G. Moore, Shaun Cole, Michael Wilson +54

We present galaxy luminosity functions (LFs) for the Dark Energy Spectroscopic Instrument (DESI) DR2 Bright Galaxy Survey (BGS) in the g,r,z, and w1 bands over 0.002<z<0.6. Our ana…

astro-ph.CO2025

Validation of the DESI-DR1 3x2-pt analysis: scale cut and shear ratio tests

N. Emas, A. Porredon, C. Blake +54

Combined survey analyses of galaxy clustering and weak gravitational lensing (3x2-pt studies) will allow new and accurate tests of the standard cosmological model. However, careful…

astro-ph.CO2025

Biasing from galaxy trough and peak profiles with the DES Y3 redMaGiC galaxies and the weak lensing mass map

Q. Hang, N. Jeffrey, L. Whiteway +83

We measure the correspondence between the distribution of galaxies and matter around troughs and peaks in the projected galaxy density, by comparing \texttt{redMaGiC} galaxies ($0.…

astro-ph.GA2025★ 2 cited

DELVE Milky Way Satellite Galaxy Census I: Satellite Population and Survey Selection Function in DES, DELVE, and Pan-STARRS

C. Y. Tan, A. Drlica-Wagner, A. B. Pace +84

The properties of Milky Way satellite galaxies have important implications for galaxy formation, reionization, and the fundamental physics of dark matter. However, the population o…

astro-ph.CO2025★ 5 cited

The Compilation and Validation of the Spectroscopic Redshift Catalogs for the DESI-COSMOS and DESI-XMMLSS Fields

J. Ratajczak, K. S. Dawson, N. Weaverdyck +74

Over several dedicated programs that include targets beyond the main cosmological samples, the Dark Energy Spectroscopic Instrument (DESI) collected spectra for 304,970 unique obje…

astro-ph.CO2025

Constraints on cosmology and baryonic feedback with joint analysis of Dark Energy Survey Year 3 lensing data and ACT DR6 thermal Sunyaev-Zel'dovich effect observations

S. Pandey, J. C. Hill, A. Alarcon +137

We present a joint analysis of weak gravitational lensing (shear) data obtained from the first three years of observations by the Dark Energy Survey and thermal Sunyaev-Zel'dovich…

astro-ph.SR2025

The Backup Program of the Dark Energy Spectroscopic Instrument's Milky Way Survey

Arjun Dey, Sergey E. Koposov, Joan R. Najita +66

The Milky Way Backup Program (MWBP), a survey currently underway with the Dark Energy Spectroscopic Instrument (DESI) on the Nicholas U. Mayall 4-m Telescope, works at the margins…

astro-ph.CO2025★ 16 cited

Positive neutrino masses with DESI DR2 via matter conversion to dark energy

S. Ahlen, A. Aviles, B. Cartwright +46

The Dark Energy Spectroscopic Instrument (DESI) is a massively parallel spectroscopic survey on the Mayall telescope at Kitt Peak, which has released measurements of baryon acousti…

astro-ph.GA2025★ 1 cited

The DESI Y1 RR Lyrae catalog I: Empirical modeling of the cyclic variation of spectroscopic properties and a chemodynamical analysis of the outer halo

Gustavo E. Medina, Ting S. Li, Sergey E. Koposov +44

We present the catalog of RR Lyrae stars (RRLs) observed in the first year of operations of the Dark Energy Spectroscopic Instrument (DESI) survey. This catalog contains 6,240 RRLs…

astro-ph.CO2025★ 29 cited

Data Release 1 of the Dark Energy Spectroscopic Instrument

DESI Collaboration, M. Abdul Karim, A. G. Adame +306

In 2021 May the Dark Energy Spectroscopic Instrument (DESI) collaboration began a 5-year spectroscopic redshift survey to produce a detailed map of the evolving three-dimensional s…

astro-ph.CO2024★ 187 cited

DESI 2024 VII: Cosmological Constraints from the Full-Shape Modeling of Clustering Measurements

DESI Collaboration, A. G. Adame, J. Aguilar +210

We present cosmological results from the measurement of clustering of galaxy, quasar and Lyman- forest tracers from the first year of observations with the Dark Energy Spectrosc…

astro-ph.CO2024★ 81 cited

DESI 2024 II: Sample Definitions, Characteristics, and Two-point Clustering Statistics

DESI Collaboration, A. G. Adame, J. Aguilar +200

We present the samples of galaxies and quasars used for DESI 2024 cosmological analyses, drawn from the DESI Data Release 1 (DR1). We describe the construction of large-scale struc…

astro-ph.CO2024★ 73 cited

DESI 2024 V: Full-Shape Galaxy Clustering from Galaxies and Quasars

A. G. Adame, J. Aguilar, S. Ahlen +195

We present the measurements and cosmological implications of the galaxy two-point clustering using over 4.7 million unique galaxy and quasar redshifts in the range divi…

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.GA2024★ 1 cited

Weak Gravitational Lensing around Low Surface Brightness Galaxies in the DES Year 3 Data

N. Chicoine, J. Prat, G. Zacharegkas +102

We present galaxy-galaxy lensing measurements using a sample of low surface brightness galaxies (LSBGs) drawn from the Dark Energy Survey Year 3 (Y3) data as lenses. LSBGs are diff…

astro-ph.CO2024

Not all lensing is low: An analysis of DESIDES using the Lagrangian Effective Theory of LSS

S. Chen, J. DeRose, R. Zhou +39

In this work we use Lagrangian perturbation theory to analyze the harmonic space galaxy clustering signal of Bright Galaxy Survey (BGS) and Luminous Red Galaxies (LRGs) targeted by…

astro-ph.CO2024★ 2 cited

JWST Lensed quasar dark matter survey II: Strongest gravitational lensing limit on the dark matter free streaming length to date

Ryan E. Keeley, Anna M. Nierenberg, Daniel Gilman +20

This is the second in a series of papers in which we use JWST MIRI multiband imaging to measure the warm dust emission in a sample of 31 multiply imaged quasars, to be used as a pr…

astro-ph.CO2024

Full Modeling and Parameter Compression Methods in configuration space for DESI 2024 and beyond

S. Ramirez-Solano, M. Icaza-Lizaola, H. E. Noriega +49

In the contemporary era of high-precision spectroscopic surveys, led by projects like DESI, there is an increasing demand for optimizing the extraction of cosmological information…

astro-ph.CO2024

Weak lensing combined with the kinetic Sunyaev Zel'dovich effect: A study of baryonic feedback

L. Bigwood, A. Amon, A. Schneider +122

Extracting precise cosmology from weak lensing surveys requires modelling the non-linear matter power spectrum, which is suppressed at small scales due to baryonic feedback process…

astro-ph.CO2024★ 263 cited

DESI 2024 III: Baryon Acoustic Oscillations from Galaxies and Quasars

DESI Collaboration, A. G. Adame, J. Aguilar +193

We present the DESI 2024 galaxy and quasar baryon acoustic oscillations (BAO) measurements using over 5.7 million unique galaxy and quasar redshifts in the range 0.1<z<2.1. Divided…

astro-ph.CO2024★ 7 cited

Systematic Effects in Galaxy-Galaxy Lensing with DESI

J. U. Lange, C. Blake, C. Saulder +56

The Dark Energy Spectroscopic Instrument (DESI) survey will measure spectroscopic redshifts for millions of galaxies across roughly of the sky. Cross-cor…