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most citedDynamical Dark Energy in light of the DESI DR2 Baryonic Acoustic Oscillations Measurements

62 citations · 208 across the 74 of their papers we have counts for

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astro-ph.GA2025

The Composite Spectrum of QSO Absorption Line Systems in DESI DR2

Lucas Napolitano, Adam D. Myers, Adam Tedeschi +43

We present details regarding a composite spectrum of quasar (QSO) absorption line systems. In this composite spectrum we identify more than 70 absorption lines, and observe oxygen…

astro-ph.GA2025★ 1 cited

Stellar feedback drives the baryon deficiency in low-mass galaxies

Haoran Yu, Enci Wang, Zeyu Chen +8

Stellar feedback, as a key process regulating the baryon cycle, is thought to greatly redistribute baryonic material inside and outside the dark matter halos (DMHs), however the ob…

astro-ph.SR2025★ 2 cited

The Binary Fraction of Stars in the Dwarf Galaxy Ursa Minor via Dark Energy Spectroscopic Instrument

Tian Qiu, Wenting Wang, Sergey Koposov +45

We utilize multi-epoch line-of-sight velocity measurements from the Milky Way Survey of the Dark Energy Spectroscopic Instrument to estimate the binary fraction for member stars in…

astro-ph.GA2025

The Milky Way stellar halo is twisted and doubly broken: insights from DESI DR2 Milky Way Survey observation

Songting Li, Wenting Wang, Sergey E. Koposov +45

Using K giants from the second data release (DR2) of the Dark Energy Spectroscopic Instrument (DESI) Milky Way (MW) Survey, we measure the shape, orientation, radial profile, and d…

astro-ph.CO2025

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…

astro-ph.GA2025

Effect of local environment on Ly line profile in DESI/ODIN LAEs

Ana Sofía M. Uzsoy, Arjun Dey, Anand Raichoor +51

Lyman-Alpha Emitters (LAEs) are star-forming galaxies with significant Ly emission and are often used as tracers of large-scale structure at high redshift. We explore the relati…

astro-ph.CO2025★ 1 cited

Galaxy-Multiplet Clustering from DESI DR2

Hanyue Wang, Daniel J. Eisenstein, Jessica Nicole Aguilar +44

We present an efficient estimator for higher-order galaxy clustering using small groups of nearby galaxies, or multiplets. Using the Luminous Red Galaxy (LRG) sample from the Dark…

astro-ph.GA2025

Quasars acting as Strong Lenses Found in DESI DR1

Everett McArthur, Martin Millon, Meredith Powell +52

Quasars acting as strong gravitational lenses offer a rare opportunity to probe the redshift evolution of scaling relations between supermassive black holes and their host galaxies…

astro-ph.CO2025

A measurement of 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…

astro-ph.CO2025

Detection of the Pairwise Kinematic Sunyaev-Zel'dovich Effect and Pairwise Velocity with DESI DR1 Galaxies and ACT DR6 and Planck CMB Data

Yulin Gong, Patricio A. Gallardo, Rachel Bean +50

We present a 9.3-sigma detection of the pairwise kinematic Sunyaev-Zeldovich (kSZ) effect by combining a sample of 913,286 Luminous Red Galaxies (LRGs) from the Dark Energy Spectro…

astro-ph.GA2025

ODIN: Characterizing the Three-dimensional Structure of Two Protocluster Complexes at

Vandana Ramakrishnan, Ashley Ortiz, Byeongha Moon +52

We present a detailed study of the 3D morphology of two extended associations of multiple protoclusters at . These protocluster 'complexes', designated COSMOS-z3.1-A and COS…

astro-ph.HE2025

AT2025ulz and S250818k: Leveraging DESI spectroscopy in the hunt for a kilonova associated with a sub-solar mass gravitational wave candidate

Xander J. Hall, Antonella Palmese, Brendan O'Connor +47

On August 18th, 2025, the LIGO--Virgo--KAGRA collaboration reported a sub-threshold gravitational wave candidate detection consistent with a sub-solar-mass neutron star merger, den…

astro-ph.CO2025

A Unified Photometric Redshift Calibration for Weak Lensing Surveys using the Dark Energy Spectroscopic Instrument

Johannes U. Lange, Diana Blanco, Alexie Leauthaud +61

The effective redshift distribution of galaxies is a critical component in the study of weak gravitational lensing. Here, we introduce a new method for determining fo…

astro-ph.GA2025

The Einstein Gap: an unrecognised strong lensing feature in weak lensing mass density profiles

David Crespo, Joaquín González-Nuevo, Laura Bonavera +4

Magnification bias cross-correlations between galaxy clusters and high-redshift submillimetre galaxies have recently revealed a characteristic signal deficit at intermediate angula…

astro-ph.GA2025

The dark matter content of Milky Way dwarf spheroidal galaxies: Draco, Sextans and Ursa Minor

Hao Yang, Wenting Wang, Ling Zhu +50

The Milky Way Survey of the Dark Energy Spectroscopic Instrument (DESI) has so far observed three classical dwarf spheroidal galaxies (dSphs): Draco, Sextans and Ursa Minor. Based…

astro-ph.GA2025

ODIN: The LAE Lyα Luminosity Function over Cosmic Time and Environmental Density

Gautam Nagaraj, Robin Ciardullo, Caryl Gronwall +53

The ubiquity and relative ease of discovery make Ly emitting galaxies (LAEs) ideal tracers for cosmology. In addition, because Ly is a resonance line,…

astro-ph.GA2025★ 5 cited

Nearby stellar substructures in the Galactic halo from DESI Milky Way Survey Year 1 Data Release

Bokyoung Kim, Sergey E. Koposov, Ting S. Li +41

We report five nearby ( kpc) stellar substructures in the Galactic halo from a subset of 138,661 stars in the Dark Energy Spectroscopic Instrument (DESI) Mi…

astro-ph.CO2025

Modelling the impact of quasar redshift errors on the full-shape analysis of correlations in the Lyman- forest

Calum Gordon, Andrei Cuceu, Andreu Font-Ribera +45

In preparation for the first cosmological measurements from the full-shape of the Lyman- (Ly) forest from DESI, we must carefully model all relevant systematics that might bi…

astro-ph.CO2025

DESI DR1 Lyα 1D power spectrum: The Fast Fourier Transform estimator measurement

Corentin Ravoux, Marie-Lynn Abdul-Karim, Jean-Marc Le Goff +64

We present the one-dimensional Lyman- forest power spectrum measurement derived from the data release 1 (DR1) of the Dark Energy Spectroscopic Instrument (DESI). The measurement…

astro-ph.CO2025

DESI DR1 Ly 1D power spectrum: The optimal estimator measurement

N. G. Karaçaylı, P. Martini, J. Aguilar +61

The one-dimensional power spectrum of Ly forest offers rich insights into cosmological and astrophysical parameters, including constraints on the sum of neutri…

astro-ph.GA2025

A Quasar Pair Sample Compiled from DESI DR1

Liang Jing, Qihang Chen, Zhuojun Deng +4

Interacting quasar pairs (QPs, either dual or binary) provide crucial insights into galaxy mergers, black hole growth, and large-scale structure formation. The current literature r…

astro-ph.GA2025★ 1 cited

The Cocytos Stream: A Disrupted Globular Cluster from our Last Major Merger?

Christian Aganze, Vedant Chandra, Risa H. Wechsler +48

The census of stellar streams and dwarf galaxies in the Milky Way provides direct constraints on galaxy formation models and the nature of dark matter. The DESI Milky Way survey --…

astro-ph.IM2025

Bayesian Component Separation for DESI LAE Automated Spectroscopic Redshifts and Photometric Targeting

Ana Sofía M. Uzsoy, Andrew K. Saydjari, Arjun Dey +37

Lyman Alpha Emitters (LAEs) are valuable high-redshift cosmological probes traditionally identified using specialized narrow-band photometric surveys. In ground-based spectroscopy,…

astro-ph.CO2025★ 62 cited

Dynamical Dark Energy in light of the DESI DR2 Baryonic Acoustic Oscillations Measurements

Gan Gu, Xiaoma Wang, Yuting Wang +57

Understanding whether cosmic acceleration arises from a cosmological constant or a dynamical component is a central goal of cosmology, and the Dark Energy Spectroscopic Instrument…