activity
20002025
most citedDESI 2024 VI: Cosmological Constraints from the Measurements of Baryon Acoustic Oscillations

1.1k citations · 2.8k across the 31 of their papers we have counts for

collaborators

31 papers

astro-ph.CO2025★ 10 cited

Extended Dark Energy analysis using DESI DR2 BAO measurements

K. Lodha, R. Calderon, W. L. Matthewson +122

We conduct an extended analysis of dark energy constraints, in support of the findings of the DESI DR2 cosmology key paper, including DESI data, Planck CMB observations, and three…

astro-ph.CO2025★ 2 cited

The Spectroscopic Stage-5 Experiment

Robert Besuner, Arjun Dey, Alex Drlica-Wagner +106

The existence, properties, and dynamics of the dark sectors of our universe pose fundamental challenges to our current model of physics, and large-scale astronomical surveys may be…

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.CO2024★ 1.1k cited

DESI 2024 VI: Cosmological Constraints from the Measurements of Baryon Acoustic Oscillations

DESI Collaboration, A. G. Adame, J. Aguilar +200

We present cosmological results from the measurement of baryon acoustic oscillations (BAO) in galaxy, quasar and Lyman- forest tracers from the first year of observations from t…

astro-ph.CO2024

AbacusPNG: A modest set of simulations of local-type primordial non-Gaussianity in the DESI era

Boryana Hadzhiyska, Lehman Garrison, Daniel J. Eisenstein +1

A measurement of a primordial non-Gaussianity (PNG) signal through late- or early-Universe probes has the potential to transform our understanding of the physics of the primordial…

astro-ph.GA2024★ 11 cited

Extreme emission line galaxies detected in JADES JWST/NIRSpec I: inferred galaxy properties

Kit Boyett, Andrew J. Bunker, Emma Curtis-Lake +33

Extreme emission line galaxies (EELGs) exhibit large equivalent widths (EW) in their rest-optical emission lines ([OIII] or H rest-frame EW) which can be t…

astro-ph.GA2023★ 87 cited

JADES: A large population of obscured, narrow line AGN at high redshift

Jan Scholtz, Roberto Maiolino, Francesco D'Eugenio +35

We present the identification of 42 narrow-line active galactic nuclei (type-2 AGN) candidates in the two deepest observations of the JADES spectroscopic survey with JWST/NIRSpec.…

astro-ph.GA2023★ 8 cited

JADES: Using NIRCam Photometry to Investigate the Dependence of Stellar Mass Inferences on the IMF in the Early Universe

Charity Woodrum, Marcia Rieke, Zhiyuan Ji +17

The detection of numerous and relatively bright galaxies at redshifts z > 9 has prompted new investigations into the star-forming properties of high-redshift galaxies. Using local…

astro-ph.IM2023★ 15 cited

The Optical Corrector for the Dark Energy Spectroscopic Instrument

Timothy N. Miller, Peter Doel, Gaston Gutierrez +44

The Dark Energy Spectroscopic Instrument (DESI) is currently measuring the spectra of 40\,million galaxies and quasars, the largest such survey ever made to probe the nature of cos…

astro-ph.GA2023★ 39 cited

GN-z11: The environment of an AGN at 10.603

Jan Scholtz, Callum Witten, Nicolas Laporte +23

Recent observations with the \textit{James Webb} Space Telescope (JWST) have further refined the spectroscopic redshift of GN-z11, one of the most distant galaxies identified with…

astro-ph.GA2023★ 9 cited

Building the First Galaxies -- Chapter 2. Starbursts Dominate The Star Formation Histories of 6 < z <12 Galaxies

Alan Dressler, Marcia Rieke, Daniel Eisenstein +12

We use SEDz* -- a code designed to chart star formation histories (SFHs) of 6<z<12 galaxies -- to analyze the SEDs of 894 galaxies with deep JWST/NIRCam imaging by JADES in the GOO…

astro-ph.GA2023★ 85 cited

JWST-JADES. Possible Population III signatures at z=10.6 in the halo of GN-z11

Roberto Maiolino, Hannah Uebler, Michele Perna +32

Finding the first generation of stars formed out of pristine gas in the early Universe, known as Population III (PopIII) stars, is one of the most important goals of modern astroph…

astro-ph.GA2023★ 42 cited

A small and vigorous black hole in the early Universe

Roberto Maiolino, Jan Scholtz, Joris Witstok +36

Multiple theories have been proposed to describe the formation of black hole seeds in the early Universe and to explain the emergence of very massive black holes observed in the fi…

astro-ph.CO2023★ 5 cited

On the impact of the galaxy window function on cosmological parameter estimation

Tanveer Karim, Mehdi Rezaie, Sukhdeep Singh +1

One important source of systematics in galaxy redshift surveys comes from the estimation of the galaxy window function. Up until now, the impact of the uncertainty in estimating th…

astro-ph.CO2023★ 41 cited

First Detection of the BAO Signal from Early DESI Data

Jeongin Moon, David Valcin, Michael Rashkovetskyi +65

We present the first detection of the baryon acoustic oscillations (BAO) signal obtained using unblinded data collected during the initial two months of operations of the Stage-IV…

astro-ph.GA2023★ 96 cited

Carbonaceous dust grains seen in the first billion years of cosmic time

Joris Witstok, Irene Shivaei, Renske Smit +39

Large dust reservoirs (up to ) have been detected in galaxies out to redshift , when the age of the universe was only about 600 Myr. Genera…

astro-ph.CO2022★ 43 cited

The MillenniumTNG Project: An improved two-halo model for the galaxy-halo connection of red and blue galaxies

Boryana Hadzhiyska, Daniel Eisenstein, Lars Hernquist +11

Approximate methods to populate dark matter halos with galaxies are of great utility to large galaxy surveys. However, the limitations of simple halo occupation models (HODs) precl…

astro-ph.CO2022★ 35 cited

The MillenniumTNG Project: Refining the one-halo model of red and blue galaxies at different redshifts

Boryana Hadzhiyska, Lars Hernquist, Daniel Eisenstein +11

Luminous red galaxies (LRGs) and blue star-forming emission-line galaxies (ELGs) are key tracers of large-scale structure used by cosmological surveys. Theoretical predictions for…

astro-ph.CO2022★ 12 cited

Intrinsic Alignment as an RSD Contaminant in the DESI Survey

Claire Lamman, Daniel Eisenstein, Jessica Nicole Aguilar +17

We measure the tidal alignment of the major axes of Luminous Red Galaxies (LRGs) from the Legacy Imaging Survey and use it to infer the artificial redshift-space distortion signatu…

astro-ph.CO2021★ 32 cited

The DESI -body Simulation Project I: Testing the Robustness of Simulations for the DESI Dark Time Survey

Cameron Grove, Chia-Hsun Chuang, Ningombam Chandrachani Devi +19

Analysis of large galaxy surveys requires confidence in the robustness of numerical simulation methods. The simulations are used to construct mock galaxy catalogs to validate data…

astro-ph.CO2021★ 25 cited

The halo light cone catalogues of \Abacus{AbacusSummit}

Boryana Hadzhiyska, Lehman H. Garrison, Daniel Eisenstein +1

We describe a method for generating halo catalogues on the light cone using the \Abacus{AbacusSummit} suite of -body simulations. The main application of these catalogues is the…

astro-ph.CO2021★ 89 cited

\textsc{CompaSO}: A new halo finder for competitive assignment to spherical overdensities

Boryana Hadzhiyska, Daniel Eisenstein, Sownak Bose +2

We describe a new method (\textsc{CompaSO}) for identifying groups of particles in cosmological -body simulations. \textsc{CompaSO} builds upon existing spherical overdensity (S…

astro-ph.CO2021★ 4 cited

A fully Lagrangian, non-parametric bias model for dark-matter halos

Xiaohan Wu, Julian B. Munoz, Daniel Eisenstein

We present a non-parametric Lagrangian biasing model and fit the ratio of the halo and mass densities at the field level using the mass-weighted halo field in the AbacusSummit simu…

astro-ph.CO2021★ 10 cited

Accuracy of power spectra in dissipationless cosmological simulations

Sara Maleubre, Daniel Eisenstein, Lehman H. Garrison +1

We exploit a suite of large \emph{N}-body simulations (up to N=) performed with \Abacus, of scale-free models with a range of spectral indices , to better understand and…