output
19922026
most citedMeasurements of Omega and Lambda from 42 High-Redshift Supernovae

18.1k citations

Showing 2023 · astro-ph.COShow all

18 papers · 2 filters

astro-ph.CO2023★ 17 cited

Generating mock galaxy catalogues for flux-limited samples like the DESI Bright Galaxy Survey

A. Smith, C. Grove, S. Cole +28

Accurate mock galaxy catalogues are crucial to validate analysis pipelines used to constrain dark energy models. We present a fast HOD-fitting method which we apply to the AbacusSu…

astro-ph.CO2023★ 1 cited

Mock data sets for the Eboss and DESI Lyman- forest surveys

Thomas Etourneau, Jean-Marc Le Goff, James Rich +32

We present a publicly-available code to generate sets of mock Lyman- (\lya) forest data that have realistic large-scale correlations including those due to the Baryonic Acoustic…

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.CO2023★ 6 cited

Broad Absorption Line Quasars in the Dark Energy Spectroscopic Instrument Early Data Release

S. Filbert, P. Martini, K. Seebaluck +41

Broad absorption line (BAL) quasars are characterized by gas clouds that absorb flux at the wavelength of common quasar spectral features, although blueshifted by velocities that c…

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★ 3 cited

Convergence of halo statistics: code comparison between Rockstar and CompaSO using scale-free simulations

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

In this study, we perform a halo-finder code comparison between Rockstar and CompaSO. Based on our previous analysis aiming at quantifying resolution of -body simulations by exp…

astro-ph.CO2023★ 21 cited

Beyond the Ultra-deep Frontier Fields And Legacy Observations (BUFFALO): a high-resolution strong + weak-lensing view of Abell 370

Anna Niemiec, Mathilde Jauzac, Dominique Eckert +17

The HST treasury program BUFFALO provides extended wide-field imaging of the six Hubble Frontier Fields galaxy clusters. Here we present the combined strong and weak-lensing analys…

astro-ph.CO2023★ 8 cited

The 2-point correlation function covariance with fewer mocks

Svyatoslav Trusov, Pauline Zarrouk, Shaun Cole +18

We present an approach for accurate estimation of the covariance of 2-point correlation functions that requires fewer mocks than the standard mock-based covariance. This can be ach…

astro-ph.CO2023★ 6 cited

Optimal 1D Ly Forest Power Spectrum Estimation -- III. DESI early data

Naim Göksel Karaçaylı, Paul Martini, Julien Guy +59

The one-dimensional power spectrum of the Ly forest provides important information about cosmological and astrophysical parameters, including constraints on wa…

astro-ph.CO2023★ 49 cited

The Dark Energy Spectroscopic Instrument: One-dimensional power spectrum from first Lyman- forest samples with Fast Fourier Transform

Corentin Ravoux, Marie Lynn Abdul-Karim, Eric Armengaud +63

We present the one-dimensional Lyman- forest power spectrum measurement using the first data provided by the Dark Energy Spectroscopic Instrument (DESI). The data sample compris…

astro-ph.CO2023★ 343 cited

The Early Data Release of the Dark Energy Spectroscopic Instrument

DESI Collaboration, A. G. Adame, J. Aguilar +266

The Dark Energy Spectroscopic Instrument (DESI) completed its five-month Survey Validation in May 2021. Spectra of stellar and extragalactic targets from Survey Validation constitu…

astro-ph.CO2023★ 15 cited

Confirmation of the spectral excess in DAMIC at SNOLAB with skipper CCDs

A. Aguilar-Arevalo, I. Arnquist, N. Avalos +69

We present results from a 3.25 kg-day target exposure of two silicon charge-coupled devices (CCDs), each with 24 megapixels and skipper readout, deployed in the DAMIC setup at SNOL…

astro-ph.CO2023★ 1 cited

The pursuit of the Hubble Constant using Type II Supernovae

T. de Jaeger, L. Galbany

The use of multiple independent methods with their own systematic uncertainties is crucial for resolving the ongoing tension between local and distant measurements of the Hubble co…

astro-ph.CO2023

Testing growth rate dependence in cosmological perturbation theory using scale-free models

Azrul Pohan, Michael Joyce, David Benhaiem +1

We generalize previously derived analytic results for the one-loop power spectrum (PS) in scale-free models (with linear PS ) to a broader class of such models in…

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.CO2023★ 19 cited

Growth-rate measurement with type-Ia supernovae using ZTF survey simulations

Bastien Carreres, Julian E. Bautista, Fabrice Feinstein +21

Measurements of the growth rate of structures at with peculiar velocity surveys have the potential of testing the validity of general relativity on cosmic scales. In this…

astro-ph.CO2023★ 14 cited

The DEHVILS Survey Overview and Initial Data Release: High-Quality Near-Infrared Type Ia Supernova Light Curves at Low Redshift

Erik R. Peterson, David O. Jones, Daniel Scolnic +17

While the sample of optical Type Ia Supernova (SN Ia) light curves (LCs) usable for cosmological parameter measurements surpasses 2000, the sample of published, cosmologically viab…