activity
20112024
most citedOverview of the DESI Legacy Imaging Surveys

1.9k citations · 7.2k across the 102 of their papers we have counts for

collaborators

106 papers

astro-ph.GA2024

The first identification of Lyman Changing-look Quasars at high-redshift in DESI

Wei-Jian Guo, Zhiwei Pan, Małgorzata Siudek +38

We present two cases of Ly changing-look (CL) quasars (J1306 and J1512) along with two additional candidates (J1511 and J1602), all discovered serendipitously at through…

astro-ph.CO2024★ 27 cited

DESI Peculiar Velocity Survey -- Fundamental Plane

Khaled Said, Cullan Howlett, Tamara Davis +52

The Dark Energy Spectroscopic Instrument (DESI) Peculiar Velocity Survey aims to measure the peculiar velocities of early and late type galaxies within the DESI footprint using bot…

astro-ph.GA2024★ 5 cited

AuriDESI: Mock Catalogues for the DESI Milky Way Survey

Namitha Kizhuprakkat, Andrew P. Cooper, Alexander H. Riley +31

The Dark Energy Spectroscopic Instrument Milky Way Survey (DESI MWS) will explore the assembly history of the Milky Way by characterising remnants of ancient dwarf galaxy accretion…

astro-ph.HE2024★ 1 cited

The MOST Hosts Survey: spectroscopic observation of the host galaxies of ~40,000 transients using DESI

Maayane T. Soumagnac, Peter Nugent, Robert A. Knop +54

We present the MOST Hosts survey (Multi-Object Spectroscopy of Transient Hosts). The survey is planned to run throughout the five years of operation of the Dark Energy Spectroscopi…

astro-ph.CO2024

Constraints on the spacetime variation of the fine-structure constant using DESI emission-line galaxies

Linhua Jiang, Zhiwei Pan, Jessica Nicole Aguilar +38

We present strong constraints on the spacetime variation of the fine-structure constant using the Dark Energy Spectroscopic Instrument (DESI). In this pilot work, we utilize $\…

astro-ph.CO2024★ 17 cited

ELG Spectroscopic Systematics Analysis of the DESI Data Release 1

Jiaxi Yu, Ashley J. Ross, Antoine Rocher +58

Dark Energy Spectroscopic Instrument (DESI) uses more than 2.4 million Emission Line Galaxies (ELGs) for 3D large-scale structure (LSS) analyses in its Data Release 1 (DR1). Such l…

astro-ph.CO2024

The Construction of Large-scale Structure Catalogs for the Dark Energy Spectroscopic Instrument

A. J. Ross, J. Aguilar, S. Ahlen +83

We present the technical details on how large-scale structure (LSS) catalogs are constructed from redshifts measured from spectra observed by the Dark Energy Spectroscopic Instrume…

astro-ph.IM2024

CSST Strong Lensing Preparation: a Framework for Detecting Strong Lenses in the Multi-color Imaging Survey by the China Survey Space Telescope (CSST)

Xu Li, Ruiqi Sun, Jiameng Lv +29

Strong gravitational lensing is a powerful tool for investigating dark matter and dark energy properties. With the advent of large-scale sky surveys, we can discover strong lensing…

astro-ph.CO2024★ 11 cited

High redshift LBGs from deep broadband imaging for future spectroscopic surveys

Vanina Ruhlmann-Kleider, Christophe Yèche, Christophe Magneville +60

Lyman break galaxies (LBGs) are promising probes for clustering measurements at high redshift, , a region only covered so far by Lyman- forest measurements. In this paper,…

astro-ph.GA2024★ 6 cited

Emission Line Predictions for Mock Galaxy Catalogues: a New Differentiable and Empirical Mapping from DESI

Ashod Khederlarian, Jeffrey A. Newman, Brett H. Andrews +43

We present a simple, differentiable method for predicting emission line strengths from rest-frame optical continua using an empirically-determined mapping. Extensive work has been…

astro-ph.CO2024

Redshift evolution and covariances for joint lensing and clustering studies with DESI Y1

Sihan Yuan, Chris Blake, Alex Krolewski +48

Galaxy-galaxy lensing (GGL) and clustering measurements from the Dark Energy Spectroscopic Instrument Year 1 (DESI Y1) dataset promise to yield unprecedented combined-probe tests o…

astro-ph.HE2024★ 10 cited

The rate of extreme coronal line emitting galaxies in the Sloan Digital Sky Survey and their relation to tidal disruption events

Joseph Callow, Or Graur, Peter Clark +27

High-ionization iron coronal lines (CLs) are a rare phenomenon observed in galaxy and quasi-stellar object spectra that are thought to be created by high-energy emission from activ…

astro-ph.CO2024

Redshift-dependent RSD bias from Intrinsic Alignment with DESI Year 1 Spectra

Claire Lamman, Daniel Eisenstein, Jessica Nicole Aguilar +30

We estimate the redshift-dependent, anisotropic clustering signal in DESI's Year 1 Survey created by tidal alignments of Luminous Red Galaxies (LRGs) and a selection-induced galaxy…

astro-ph.GA2023★ 2 cited

Measuring the conditional luminosity and stellar mass functions of galaxies by combining the DESI LS DR9, SV3 and Y1 data

Yirong Wang, Xiaohu Yang, Yizhou Gu +42

In this investigation, we leverage the combination of Dark Energy Spectroscopic Instrument Legacy imaging Surveys Data Release 9 (DESI LS DR9), Survey Validation 3 (SV3), and Year…

astro-ph.GA2023★ 1 cited

A Large Sample of Extremely Metal-poor Galaxies at Identified from the DESI Early Data

Hu Zou, Jipeng Sui, Amélie Saintonge +32

Extremely metal-poor galaxies (XMPGs) at relatively low redshift are excellent laboratories for studying galaxy formation and evolution in the early universe. Much effort has been…

astro-ph.CO2023★ 5 cited

Unraveling emission line galaxy conformity at z~1 with DESI early data

Sihan Yuan, Risa H. Wechsler, Yunchong Wang +32

Emission line galaxies (ELGs) are now the preeminent tracers of large-scale structure at z>0.8 due to their high density and strong emission lines, which enable accurate redshift m…

astro-ph.CO2023★ 2 cited

The DESI One-Percent Survey: Evidence for Assembly Bias from Low-Redshift Counts-in-Cylinders Measurements

Alan N. Pearl, Andrew R. Zentner, Jeffrey A. Newman +28

We explore the galaxy-halo connection information that is available in low-redshift samples from the early data release of the Dark Energy Spectroscopic Instrument (DESI). We model…

astro-ph.CO2023★ 11 cited

DESI Complete Calibration of the Color-Redshift Relation (DC3R2): Results from early DESI data

J. McCullough, D. Gruen, A. Amon +46

We present initial results from the Dark Energy Spectroscopic Instrument (DESI) Complete Calibration of the Color-Redshift Relation (DC3R2) secondary target survey. Our analysis us…

astro-ph.CO2023★ 58 cited

DESI luminous red galaxy samples for cross-correlations

Rongpu Zhou, Simone Ferraro, Martin White +36

We present two galaxy samples, selected from DESI Legacy Imaging Surveys (LS) DR9, with approximately 20,000 square degrees of coverage and spectroscopic redshift distributions des…

astro-ph.GA2023★ 2 cited

The DESI One-Percent Survey: A concise model for galactic conformity of ELGs

Hongyu Gao, Y. P. Jing, Kun Xu +27

Galactic conformity is the phenomenon in which a galaxy of a certain physical property is correlated with its neighbors of the same property, implying a possible causal relationshi…

astro-ph.GA2023★ 7 cited

Strong [O III] λ5007 Compact Galaxies Identified from SDSS DR16 and Their Scaling Relations

Weiyu Ding, Hu Zou, Xu Kong +11

Green pea galaxies are a special class of star-forming compact galaxies with strong [O III]λ5007 and considered as analogs of high-redshift Lyα-emitting galaxies and potential sour…

astro-ph.GA2023

A striking relationship between dust extinction and radio detection in DESI QSOs: evidence for a dusty blow-out phase in red QSOs

V. A. Fawcett, D. M. Alexander, A. Brodzeller +39

We present the first eight months of data from our secondary target program within the ongoing Dark Energy Spectroscopic Instrument (DESI) survey. Our program uses a mid-infrared a…

astro-ph.CO2023★ 2 cited

3D Correlations in the Lyman- Forest from Early DESI Data

Calum Gordon, Andrei Cuceu, Jonás Chaves-Montero +56

We present the first measurements of Lyman- (Ly) forest correlations using early data from the Dark Energy Spectroscopic Instrument (DESI). We measure the auto-correlation of…

astro-ph.CO2023★ 17 cited

Mitigating the noise of DESI mocks using analytic control variates

Boryana Hadzhiyska, Martin J. White, Xinyi Chen +30

In order to address fundamental questions related to the expansion history of the Universe and its primordial nature with the next generation of galaxy experiments, we need to mode…