activity
20232026
most citedDESI 2024 VI: Cosmological Constraints from the Measurements of Baryon Acoustic Oscillations

1.1k citations · 2.9k across the 64 of their papers we have counts for

collaborators

70 papers

astro-ph.CO2026

A Unified Tracer Analysis of DESI DR2 Baryon Acoustic Oscillations

N. Sanders, H. Seo, M. Rashkovetskyi +65

We improve upon previous efforts to optimally combine overlapping galaxy samples in the DESI baryon acoustic oscillation analysis. By weighting each galaxy by its linear bias, over…

astro-ph.GA2026

Systematic uncertainties on DESI Tully-Fisher distances constrained with Integral Field Spectroscopy

Utsav Siwakoti, Lluis Galbany, Kelly A. Douglass +40

The Tully--Fisher (TF) relation is an empirical tool for estimating distances to spiral galaxies. The Dark Energy Spectroscopic Instrument (DESI) Peculiar Velocity (PV) Survey uses…

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

CoLoRe-2LPT: Lyman- mock catalogues for the validation of DESI cosmological analyses

M. F. Ruiz-Herrera Bernal, S. Avila, A. Font-Ribera +90

The Lyman- (Ly) forest has become a crucial probe for studying the large-scale structure of the universe at high redshift (), providing powerful constraints on Baryon…

astro-ph.CO2026

Lyman- forest holography: 3D predictions from 1D measurements

J. Chaves-Montero, A. Font-Ribera, J. Aguilar +68

Cosmological analyses of Lyman- forest clustering rely on either one-dimensional correlations along individual sightlines or three-dimensional correlations between different sig…

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

DESI DR2 Reference Mocks: Clustering results from UCHUU ELGs and QSOs

R. Vaisakh, J. Lasker, R. Kehoe +44

High-redshift galaxy clustering provides a powerful probe of the growth of structure, testing models of dark matter, dark energy, and galaxy formation during the epoch when the Uni…

astro-ph.CO2026

Clustering of high-redshift quasars with DESI DR2

M. Charles, P. Martini, A. J. Ross +46

We present clustering measurements for high-redshift quasars using data from the Dark Energy Spectroscopic Instrument Data Release 2. Our sample consists of quasars with $2.0 < z <…

astro-ph.CO2026

The 3D clustering of Lyman Alpha Emitters measured with DESI

Haruki Ebina, Martin J. White, Rongpu Zhou +44

We present a clustering analysis of Lyman- emitters (LAEs) using spectroscopic observations from the Dark Energy Spectroscopic Instrument (DESI) of candidates selected from the…

astro-ph.CO2026

Measuring local primordial non-Gaussianity from the clustering of DESI DR1 LRGs and QSOs

Z. Brown, B. Levi, H. Randall +42

We report the first measurement of primordial non-Gaussianity (PNG), parameterized by , in the configuration space two-point correlation function (2pcf). We employ…

astro-ph.GA2026

Peering down the barrel with DESI DR2: 10 000+ inflows at < 0.6 reveal how galaxies accrete cold gas

S. Weng, A. Saintonge, M. Pieri +39

Direct observational constraints on how galaxies acquire their gas remain remarkably limited, hindering our understanding of the baryon cycle. We present a search for down-the-barr…

astro-ph.CO2026

Cosmological constraints from the DESI DR1 Bispectrum Full-Shape and DR2 BAO

D. Forero-Sánchez, S. Novell-Masot, H. Gil-Marín +48

We present cosmological constraints from DESI DR1 full-shape measurements, including the LRG bispectrum, combined with DESI DR2 BAO data. The analysis accounts for cross-covariance…

astro-ph.CO2026

DESI Data Release 2 ELGs: Property-dependent subsamples, imaging systematics, and clustering

T. Hagen, K. S. Dawson, Z. Zheng +42

Using emission-line galaxies (ELGs) from the Dark Energy Spectroscopic Instrument (DESI) Data Release 2, we evaluate a property-dependent correction to imaging systematics. We deri…

astro-ph.GA2026

A New Record Census of Dwarf AGN and a Bimodal - Scaling Relation with DESI DR1

Ragadeepika Pucha, S. Juneau, M. Mezcua +48

Using the first spectroscopic data release from the Dark Energy Spectroscopic Instrument (DESI DR1), we conduct the largest systematic search for active galactic nuclei (AGN) signa…

astro-ph.CO2026

Testing Scale-Dependent Modified Gravity with DESI DR1

D. Gonzalez, G. Niz, A. Aviles +42

The Dark Energy Spectroscopic Instrument (DESI) provides an unprecedented opportunity to test deviations from general relativity (GR) that introduce a new physical scale within its…

astro-ph.CO2026

FolpsD: combining EFT and phenomenological approaches for joint power spectrum and bispectrum analyses

P. Bansal, A. Aviles, H. E. Noriega +56

We present a theoretical model for the power spectrum and bispectrum of galaxy clustering that exploits the complementarity between small-scale power spectrum information and large…

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

Cosmological constraints from the DESI DR1 joint power spectrum and bispectrum analysis

S. Novell-Masot, H. Gil-Marín, L. Verde +48

We derive cosmological parameter constraints from the Dark Energy Spectroscopic Instrument (DESI) Data Release 1 (DR1) galaxy clustering data, based on a joint full-shape analysis…

astro-ph.GA2026

Extremely Metal-Poor Galaxies in DESI DR1: Connections to Galaxies in the Early Universe

Jipeng Sui, Hu Zou, Dirk Scholte +43

Extremely Metal-Poor Galaxies (XMPGs), defined as having metallicities below 10\% of the solar value, are considered possible local analogs to primordial systems and offer a unique…

astro-ph.GA2026

PAC in DESI. II. Galaxy-halo connection into the frontier

Kun Xu, Carlos S. Frenk, Y. P. Jing +37

Understanding dwarf galaxy formation is crucial for testing dark matter models and reionization physics. However, constructing stellar-mass complete spectroscopic samples at low ma…

astro-ph.CO2026

Baryon Acoustic Oscillations from the C IV Forest with DESI DR2

Abby Bault, Andrei Cuceu, Julien Guy +53

We present a measurement of Baryon Acoustic Oscillations (BAO) in the cross-correlation of triply ionized carbon C IV absorption with the positions of quasars (QSO) and Emission Li…

astro-ph.CO2026

Cosmological analysis of the DESI DR1 Lyman alpha 1D power spectrum

J. Chaves-Montero, A. Font-Ribera, P. McDonald +63

We present the cosmological analysis of the one-dimensional Lyman- flux power spectrum from the first data release of the Dark Energy Spectroscopic Instrument (DESI). We capture…

astro-ph.GA2025★ 1 cited

Dwarf galaxy halo masses from spectroscopic and photometric lensing in DESI and DES

Helena Treiber, Alexandra Amon, Risa H. Wechsler +46

We present the most precise and lowest-mass weak lensing measurements of dwarf galaxies to date, enabled by spectroscopic lenses from the Dark Energy Spectroscopic Instrument (DESI…