activity
19992026
most citedThe Astropy Project: Building an inclusive, open-science project and status of the v2.0 core package

7.7k citations · 52.1k across the 406 of their papers we have counts for

collaborators
Showing 2024Show all

36 papers · 1 filter

astro-ph.CO2024★ 1 cited

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…

astro-ph.CO2024

The DESI-Lensing Mock Challenge: large-scale cosmological analysis of 3x2-pt statistics

C. Blake, C. Garcia-Quintero, S. Ahlen +41

The current generation of large galaxy surveys will test the cosmological model by combining multiple types of observational probes. Realising the statistical promise of these new…

astro-ph.CO2024★ 10 cited

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 …

astro-ph.CO2024★ 1 cited

Constraining the phase shift of relativistic species in DESI BAOs

Abbé M. Whitford, Hugo Rivera-Morales, Cullan Howlett +36

In the early Universe, neutrinos decouple quickly from the primordial plasma and propagate without further interactions. The impact of free-streaming neutrinos is to create a tempo…

astro-ph.CO2024★ 187 cited

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…

astro-ph.CO2024★ 81 cited

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…

astro-ph.CO2024

Extensive analysis of reconstruction algorithms for DESI 2024 baryon acoustic oscillations

X. Chen, Z. Ding, E. Paillas +64

Reconstruction of the baryon acoustic oscillation (BAO) signal has been a standard procedure in BAO analyses over the past decade and has helped to improve the BAO parameter precis…

astro-ph.CO2024★ 1 cited

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).…

astro-ph.CO2024

A Sound Horizon-Free Measurement of in DESI 2024

E. A. Zaborowski, P. Taylor, K. Honscheid +53

The physical size of the sound horizon at recombination is a powerful source of information for early-time measurements of the Hubble constant , and many proposed solutions to…

astro-ph.CO2024★ 5 cited

Window convolution of the galaxy clustering bispectrum

Mike Shengbo Wang, Florian Beutler, J. Aguilar +25

In galaxy survey analysis, the observed clustering statistics do not directly match theoretical predictions but rather have been processed by a window function that arises from the…

astro-ph.CO2024★ 48 cited

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…

astro-ph.CO2024

Characterization of DESI fiber assignment incompleteness effect on 2-point clustering and mitigation methods for DR1 analysis

D. Bianchi, M. M. S Hanif, A. Carnero Rosell +52

We present an in-depth analysis of the fiber assignment incompleteness in the Dark Energy Spectroscopic Instrument (DESI) Data Release 1 (DR1). This incompleteness is caused by the…

astro-ph.CO2024★ 73 cited

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…

astro-ph.GA2024★ 31 cited

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…

astro-ph.CO2024★ 2 cited

ForestFlow: predicting the Lyman- forest clustering from linear to nonlinear scales

J. Chaves-Montero, L. Cabayol-Garcia, M. Lokken +31

On large scales, the Lyman- forest provides insights into the expansion history of the Universe, while on small scales, it imposes strict constraints on the growth history, the…

astro-ph.GA2024★ 9 cited

Stellar reddening map from DESI imaging and spectroscopy

Rongpu Zhou, Julien Guy, Sergey E. Koposov +54

We present new Galactic dust reddening maps of the high Galactic latitude sky using DESI imaging and spectroscopy. We directly measure the reddening of 2.6 million stars by compari…

astro-ph.CO2024★ 19 cited

Measuring using DESI Legacy Imaging Surveys Emission-Line Galaxies and Planck CMB Lensing and the Impact of Dust on Parameter Inference

Tanveer Karim, Sukhdeep Singh, Mehdi Rezaie +39

Measuring the growth of structure is a powerful probe for studying the dark sector, especially in light of the tension between primary CMB anisotropy and low-redshift surveys…

astro-ph.IM2024

Correcting Turbulence-induced Errors in Fiber Positioning for the Dark Energy Spectroscopic Instrument

E. F. Schlafly, J. Guy, K. Honscheid +37

Highly-multiplexed, robotic, fiber-fed spectroscopic surveys are observing tens of millions of stars and galaxies. For many systems, accurate positioning relies on imaging the fibe…

astro-ph.CO2024

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…

astro-ph.CO2024★ 23 cited

Cosmological constraints from the cross-correlation of DESI Luminous Red Galaxies with CMB lensing from Planck PR4 and ACT DR6

Noah Sailer, Joshua Kim, Simone Ferraro +63

We infer the growth of large scale structure over the redshift range from the cross-correlation of spectroscopically calibrated Luminous Red Galaxies (LR…

astro-ph.CO2024★ 38 cited

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…

astro-ph.CO2024★ 21 cited

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…

astro-ph.CO2024★ 30 cited

Mitigation of DESI fiber assignment incompleteness effect on two-point clustering with small angular scale truncated estimators

M. Pinon, A. de Mattia, P. McDonald +50

We present a method to mitigate the effects of fiber assignment incompleteness in two-point power spectrum and correlation function measurements from galaxy spectroscopic surveys,…

astro-ph.CO2024

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-…