activity
20142026
most citedCosmological implications of baryon acoustic oscillation (BAO) measurements

743 citations · 823 across the 81 of their papers we have counts for

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Showing 2025Show all

20 papers · 1 filter

astro-ph.CO2025

The Power of DESI for Photometric Redshift Calibration: A Case Study with KiDS-1000

Diana Blanco, Alexie Leauthaud, Johannes Ulf Lange +64

Accurate redshift estimates are a critical requirement for weak lensing surveys and one of the main uncertainties in constraints on dark energy and large-scale cosmic structure. In…

astro-ph.CO2025★ 1 cited

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…

astro-ph.CO2025

Cosmological Constraints from Full-Scale Clustering and Galaxy-Galaxy Lensing with DESI DR1

Johannes U. Lange, Alexandra Wells, Andrew Hearin +76

We present constraints on cosmic structure growth from the analysis of galaxy clustering and galaxy--galaxy lensing with galaxies from the Dark Energy Spectroscopic Instrument (DES…

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

Measurements of quasar proximity zones with the Ly 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…

astro-ph.CO2025★ 2 cited

DESI-DR1 -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…

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

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.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

DESI Strong Lens Foundry III: Keck Spectroscopy for Strong Lenses Discovered Using Residual Neural Networks

Shrihan Agarwal, Xiaosheng Huang, William Sheu +49

We present spectroscopic data of strong lenses and their source galaxies using the Keck Near-Infrared Echellette Spectrometer (NIRES) and the Dark Energy Spectroscopic Instrument (…

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.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.GA2025

A Comprehensive Characterization of Galaxy-cool CGM Connections at with DESI Year 1 Data

Yu Voon Ng, Ting-Wen Lan, J. Xavier Prochaska +41

We investigate the relationships between the cool circumgalactic medium (CGM), traced by Ca II absorption lines, and galaxy properties at using galaxy-quasa…

astro-ph.GA2025

Luminosity and stellar mass functions of faint photometric satellites around spectroscopic central galaxies from DESI Year-1 Bright Galaxy Survey

Wenting Wang, Xiaohu Yang, Yipeng Jing +47

We measure the luminosity functions (LFs) and stellar mass functions (SMFs) of photometric satellite galaxies around spectroscopically identified isolated central galaxies (ICGs).…

astro-ph.GA2025

SpecDis: Value added distance catalogue for 4 million stars from DESI Year-1 data

Songting Li, Wenting Wang, Sergey E. Koposov +55

We present the SpecDis value added stellar distance catalog accompanying DESI DR1. SpecDis trains a feed-forward Neural Network (NN) with Gaia parallaxes and gets the distance esti…

astro-ph.CO2025★ 3 cited

DESI Spectroscopy of HETDEX Emission-line Candidates I: Line Discrimination Validation

Martin Landriau, Erin Mentuch Cooper, Dustin Davis +50

The Hobby-Eberly Dark Energy Experiment (HETDEX) is an untargeted spectroscopic galaxy survey that uses Ly emitting galaxies (LAEs) as tracers of 1.9 < z < 3.5 large scale struc…

astro-ph.GA2025★ 8 cited

PAC in DESI. I. Galaxy Stellar Mass Function into the Frontier

Kun Xu, Y. P. Jing, Shaun Cole +34

The Photometric Objects Around Cosmic Webs (PAC) method integrates cosmological photometric and spectroscopic surveys, offering valuable insights into galaxy formation. PAC measure…

astro-ph.HE2025★ 1 cited

The rate of extreme coronal line emitters in the Baryon Oscillation Spectroscopic Survey LOWZ sample

Joseph Callow, Or Graur, Peter Clark +30

Extreme coronal line emitters (ECLEs) are a rare class of galaxy that exhibit strong, high-ionization iron coronal emission lines in their spectra. In some cases, these lines are t…