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The imprint of cosmic voids from the DESI Legacy Survey DR9 LRGs in the Planck 2018 lensing map through spectroscopically calibrated mocks
S. Sartori, P. Vielzeuf, S. Escoffier +31
The cross-correlation of cosmic voids with the lensing convergence () map of the Cosmic Microwave Background (CMB) fluctuations provides a powerful tool to refine our understand…
Constraints on primordial non-Gaussianity from the cross-correlation of DESI Luminous Red Galaxies and CMB lensing
J. R. Bermejo-Climent, R. Demina, A. Krolewski +47
We use the angular cross-correlation between a luminous red galaxy (LRG) sample from the Dark Energy Spectroscopic Instrument (DESI) Legacy Survey data release DR9 and the …
DESI 2024 VII: Cosmological Constraints from the Full-Shape Modeling of Clustering Measurements
DESI Collaboration, A. G. Adame, J. Aguilar +210
We present cosmological results from the measurement of clustering of galaxy, quasar and Lyman- forest tracers from the first year of observations with the Dark Energy Spectrosc…
DESI 2024 II: Sample Definitions, Characteristics, and Two-point Clustering Statistics
DESI Collaboration, A. G. Adame, J. Aguilar +200
We present the samples of galaxies and quasars used for DESI 2024 cosmological analyses, drawn from the DESI Data Release 1 (DR1). We describe the construction of large-scale struc…
Constraining primordial non-Gaussianity with DESI 2024 LRG and QSO samples
E. Chaussidon, C. Yèche, A. de Mattia +49
We analyse the large-scale clustering of the Luminous Red Galaxy (LRG) and Quasar (QSO) sample from the first data release (DR1) of the Dark Energy Spectroscopic Instrument (DESI).…
Measuring the Mean Free Path of HI Ionizing Photons at with DESI Y1 Quasars
Anning Gao, Jason X. Prochaska, Zheng Cai +31
The mean free path of ionizing photons () in the intergalactic medium (IGM) is a crucial quantity in modelling the ionization state of IGM and the extragalact…
Modified Gravity Constraints from the Full Shape Modeling of Clustering Measurements from DESI 2024
M. Ishak, J. Pan, R. Calderon +68
We present cosmological constraints on deviations from general relativity (GR) from the first-year of clustering observations from Dark Energy Spectroscopic Instrument (DESI) in co…
Mitigating Imaging Systematics for DESI 2024 Emission Line Galaxies and Beyond
A. J. Rosado-Marín, A. J. Ross, H. Seo +56
Emission Line Galaxies (ELGs) are one of the main tracers that the Dark Energy Spectroscopic Instrument (DESI) uses to probe the universe. However, they are afflicted by strong spu…
DESI 2024 V: Full-Shape Galaxy Clustering from Galaxies and Quasars
A. G. Adame, J. Aguilar, S. Ahlen +195
We present the measurements and cosmological implications of the galaxy two-point clustering using over 4.7 million unique galaxy and quasar redshifts in the range divi…
DESI Emission Line Galaxies: Unveiling the Diversity of [OII] Profiles and its Links to Star Formation and Morphology
Ting-Wen Lan, J. Xavier Prochaska, John Moustakas +34
We study the [OII] profiles of emission line galaxies (ELGs) from the Early Data Release of the Dark Energy Spectroscopic Instrument (DESI). To this end, we decompose and classify…
Value Added Catalog of physical properties of more than 1.3 million galaxies from the DESI Survey
M. Siudek, R. Pucha, M. Mezcua +50
Aims. We present an extensive catalog of the physical properties of more than a million galaxies within the Dark Energy Spectroscopic Instrument (DESI), one of the largest spectros…
Tracing the evolution of the cool gas in CGM and IGM environments through Mg II absorption from redshift z=0.75 to z=1.65 using DESI-Y1 data
X. Wu, Z. Cai, T. -W. Lan +35
We present a measurement of the mean absorption of cool gas traced by Mg II () around emission line galaxies (ELGs), spanning spatial scales from 20 kpc to 10 Mpc.…
DESI Massive Post-Starburst Galaxies at have compact structures and dense cores
Yunchong Zhang, David J. Setton, Sedona H. Price +33
Post-starburst galaxies (PSBs) are young quiescent galaxies that have recently experienced a rapid decrease in star formation, allowing us to probe the fast-quenching period of gal…
Evidence for large baryonic feedback at low and intermediate redshifts from kinematic Sunyaev-Zel'dovich observations with ACT and DESI photometric galaxies
B. Hadzhiyska, S. Ferraro, B. Ried Guachalla +70
Recent advances in cosmological observations have provided an unprecedented opportunity to investigate the distribution of baryons relative to the underlying matter. In this work,…
Not all lensing is low: An analysis of DESIDES using the Lagrangian Effective Theory of LSS
S. Chen, J. DeRose, R. Zhou +39
In this work we use Lagrangian perturbation theory to analyze the harmonic space galaxy clustering signal of Bright Galaxy Survey (BGS) and Luminous Red Galaxies (LRGs) targeted by…
The Atacama Cosmology Telescope DR6 and DESI: Structure formation over cosmic time with a measurement of the cross-correlation of CMB Lensing and Luminous Red Galaxies
Joshua Kim, Noah Sailer, Mathew S. Madhavacheril +70
We present a high-significance cross-correlation of CMB lensing maps from the Atacama Cosmology Telescope (ACT) Data Release 6 (DR6) with spectroscopically calibrated luminous red…
Fiducial-Cosmology-dependent systematics for the DESI 2024 BAO Analysis
A. Pérez-Fernández, L. Medina-Varela, R. Ruggeri +61
When measuring the Baryon Acoustic Oscillations (BAO) scale from galaxy surveys, one typically assumes a fiducial cosmology when converting redshift measurements into comoving dist…
The clustering of Lyman Alpha Emitting galaxies at z=2-3
M. White, A. Raichoor, Arjun Dey +52
We measure the clustering of Lyman Alpha Emitting galaxies (LAEs) selected from the One-hundred-square-degree DECam Imaging in Narrowbands (ODIN) survey, with spectroscopic follow-…
DESI 2024: Constraints on Physics-Focused Aspects of Dark Energy using DESI DR1 BAO Data
K. Lodha, A. Shafieloo, R. Calderon +47
Baryon acoustic oscillation data from the first year of the Dark Energy Spectroscopic Instrument (DESI) provide near percent-level precision of cosmic distances in seven bins over…
CMB lensing and Lyα forest cross bispectrum from DESI's first-year quasar sample
N. G. Karaçaylı, P. Martini, D. H. Weinberg +50
The squeezed cross-bispectrum \bispeconed\ between the gravitational lensing in the Cosmic Microwave Background and the 1D \lya\ forest power spectrum can constrain bias parameters…
Impact and mitigation of spectroscopic systematics on DESI DR1 clustering measurements
A. Krolewski, J. Yu, A. J. Ross +40
The large scale structure catalogs within DESI Data Release 1 (DR1) use nearly 6 million galaxies and quasars as tracers of the large-scale structure of the universe to measure the…
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…
Forward modeling fluctuations in the DESI LRGs target sample using image simulations
Hui Kong, Ashley J. Ross, Klaus Honscheid +50
We use the forward modeling pipeline, Obiwan, to study the imaging systematics of the Luminous Red Galaxies (LRGs) targeted by the Dark Energy Spectroscopic Instrument (DESI). We u…
DESI 2024: Reconstructing Dark Energy using Crossing Statistics with DESI DR1 BAO data
R. Calderon, K. Lodha, A. Shafieloo +52
We implement Crossing Statistics to reconstruct in a model-agnostic manner the expansion history of the universe and properties of dark energy, using DESI Data Release 1 (DR1) BAO…