T. Claybaugh

Clustering redshift distribution calibration of weak lensing surveys using the DESI-DR1 spectroscopic dataset

R. Ruggeri, C. Blake, J. Aguilar +63

We estimate the source redshift distribution of current weak lensing surveys by applying the clustering-based redshift calibration technique, using the galaxy redshift sample provi…

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, $H_{0}$ , following the gravitational wave event GW170817 and Dark Energy Spectroscopic Instrument (DESI) observations. A standard…

Tracing the Cosmic Evolution of the Cool Circumgalactic Medium of Luminous Red Galaxies with DESI Year 1 Data

Yu-Ling Chang, Ting-Wen Lan, J. Xavier Prochaska +44

We investigate the properties of the cool circumgalactic medium (CGM) of massive galaxies and their cosmic evolution. By using the year 1 dataset of luminous red galaxies (LRGs) an…

The DESI DR1 Peculiar Velocity Survey: Mock Catalog

J. Bautista, A. J. Amsellem, V. Aronica +59

We describe the production of the official set of mock catalogs for the Dark Energy Spectroscopic Instrument Peculiar Velocity Survey (DESI-PV) Data Release 1 (DR1). Our mock catal…

The DESI DR1 Peculiar Velocity Survey: The Tully-Fisher Distance Catalog

K. Douglass, S. BenZvi, A. G. Kim +64

We calibrate the Tully-Fisher relation (TFR) using observations of spiral galaxies taken during the first year (DR1) of the DESI galaxy redshift survey. The rotational velocities o…

Parity-odd Four-Point Correlation Function from DESI Data Release 1 Luminous Red Galaxy Sample

J. Hou, R. N. Cahn, J. Aguilar +33

The parity-odd four-point function provides a unique probe of fundamental symmetries and potential new physics in the large-scale structure of the Universe. We present measurements…

Measurements of quasar proximity zones with the Ly $α$ forest of DESI Y1 quasars

Ryuichiro Hada, Paul Martini, David H. Weinberg +41

The intergalactic medium (IGM) around quasars is shaped by their dense environments and by their excess ionizing radiation, forming a "quasar proximity zone" whose size and anisotr…

Constraining primordial non-Gaussianity from DESI DR1 quasars and Planck PR4 CMB Lensing

Sofia Chiarenza, Alex Krolewski, Marco Bonici +54

We present the first measurement of local-type primordial non-Gaussianity from the cross-correlation between $1.2$ million spectroscopically confirmed quasars from the first data r…

Joint cosmological fits to DESI-DR1 full-shape clustering and weak gravitational lensing in configuration space

A. Semenaite, C. Blake, A. Porredon +69

We present a joint $3 \times 2$ -pt cosmological analysis of auto- and cross-correlations between the Dark Energy Spectroscopic Instrument Data Release 1 (DESI-DR1) Bright Galaxy Surv…

astro-ph.CO2025★ 2 cited

DESI-DR1 $3 \times 2$ -pt analysis: consistent cosmology across weak lensing surveys

A. Porredon, C. Blake, J. U. Lange +70

We present a joint cosmological analysis of projected galaxy clustering observations from the Dark Energy Spectroscopic Instrument Data Release 1 (DESI-DR1), and overlapping weak g…

The DESI Single Fiber Lens Search. I. Four Thousand Spectroscopically Selected Galaxy-Galaxy Gravitational Lens Candidates

Juliana S. M. Karp, David J. Schlegel, Xiaosheng Huang +47

We present 4,110 strong gravitational lens candidates, 3,887 of which are new discoveries, selected from a sample of 5,837,154 luminous red galaxies (LRGs) observed with the Dark E…

The DESI DR1 Peculiar Velocity Survey: global zero-point and $H_{0}$ constraints

A. Carr, C. Howlett, A. J. Amsellem +55

The Dark Energy Spectroscopic Instrument (DESI) in its first Data Release (DR1) already provides more than 100,000 galaxies with relative distance measurements. The primary purpose…

The DESI DR1 peculiar velocity survey: growth rate measurements from the galaxy power spectrum

F. Qin, C. Blake, C. Howlett +63

The large-scale structure of the Universe and its evolution encapsulate a wealth of cosmological information. A powerful means of unlocking this knowledge lies in measuring the aut…

The DESI DR1 Peculiar Velocity Survey: growth rate measurements from galaxy and momentum correlation functions

R. J. Turner, C. Blake, F. Qin +61

Joint analysis of the local peculiar velocity and galaxy density fields offers a promising route to testing cosmological models of gravity. We present a measurement of the normalis…

The DESI DR1 Peculiar Velocity Survey: Fundamental Plane Catalogue

C. E. Ross, C. Howlett, J. R. Lucey +58

Measurements of peculiar velocities in the local Universe are a powerful tool to study the nature of dark energy at low ( $z < 0.1$ ) redshifts. Here we present the largest single se…

Baryon fraction from the BAO amplitude: a consistent approach to parameterizing perturbation growth

Andrea Crespi, Will J. Percival, Alex Krolewski +51

Galaxy clustering constrains the baryon fraction Omega_b/Omega_m through the amplitude of baryon acoustic oscillations and the suppression of perturbations entering the horizon bef…

The Multi-Phase Circumgalactic Medium of DESI Emission-Line Galaxies at z~1.5

Ting-Wen Lan, J. Xavier Prochaska, J. Aguilar +39

We study the multi-phase circumgalactic medium (CGM) of emission line galaxies (ELGs) at $z \sim 1.5$ , traced by MgII $λ 2796$ , $λ 2803$ and CIV $λ 1548$ , $λ 1550$ …

A measurement of $H_{0}$ from DESI DR1 using energy densities

Alex Krolewski, Andrea Crespi, Will J. Percival +57

We present a new measurement of the Hubble constant, independent of standard rulers and robust to pre-recombination modifications such as Early Dark Energy (EDE), obtained by calib…

Full calibration of the tomographic redshift distribution from the HSC PDR3 Shape Catalog with DESI

J. Choppin de Janvry, S. Gontcho A Gontcho, U. Seljak +53

The calibration of tomographic redshift distributions is essential for cosmological analysis of weak lensing data. In this work, we calibrate all four tomographic bins of the Hyper…

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…

Direct Measurement of Galaxy Assembly Bias using DESI DR1 Data

Zhiwei Shao, Ying Zu, Andrés N. Salcedo +54

We report the first direct measurement of galaxy assembly bias, a critical systematic in cosmology, from the Dark Energy Spectroscopic Instrument (DESI) Bright Galaxy Survey. We in…

Probing cosmic velocities with the pairwise kinematic Sunyaev-Zel'dovich signal in DESI Bright Galaxy Sample DR1 and ACT DR6

B. Hadzhiyska, Y. Gong, Y. Hsu +55

We present a measurement of the pairwise kinematic Sunyaev-Zel'dovich (kSZ) signal using the Dark Energy Spectroscopic Instrument (DESI) Bright Galaxy Sample (BGS) Data Release 1 (…

astro-ph.CO2025★ 4 cited

$H_{0}$ Without the Sound Horizon (or Supernovae): A 2% Measurement in DESI DR1

E. A. Zaborowski, P. Taylor, K. Honscheid +58

The sound horizon scale $r_{s}$ is a key source of information for early-time $H_{0}$ measurements, and is therefore a common target of new physics proposed to solve the Hubble tension…