The DESI bright galaxy survey: final target selection, design, and validation
Over the next 5 yr, the Dark Energy Spectroscopic Instrument (DESI) will use 10
spectrographs with 5000 fibers on the 4 m Mayall Telescope at Kitt Peak National …
spectrographs with 5000 fibers on the 4 m Mayall Telescope at Kitt Peak National …
Validation of the scientific program for the Dark Energy Spectroscopic Instrument
AG Adame, J Aguilar, S Ahlen, S Alam… - The Astronomical …, 2024 - iopscience.iop.org
Studies of the geometry and energy content of the Universe, physics of cosmic expansion,
fundamental properties of standard model particles, and growth of structure remain the key …
fundamental properties of standard model particles, and growth of structure remain the key …
Characterization of DESI fiber assignment incompleteness effect on 2-point clustering and mitigation methods for DR1 analysis
D Bianchi, MM Hanif, AC Rosell, J Lasker… - arxiv preprint arxiv …, 2024 - arxiv.org
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 …
Spectroscopic Instrument (DESI) Data Release 1 (DR1). This incompleteness is caused by …
Towards testing the theory of gravity with DESI: summary statistics, model predictions and future simulation requirements
Shortly after its discovery, General Relativity (GR) was applied to predict the behavior of our
Universe on the largest scales, and later became the foundation of modern cosmology. Its …
Universe on the largest scales, and later became the foundation of modern cosmology. Its …
SimBIG: mock challenge for a forward modeling approach to galaxy clustering
Abstract Simulation-Based Inference of Galaxies (SimBIG) is a forward modeling framework
for analyzing galaxy clustering using simulation-based inference. In this work, we present …
for analyzing galaxy clustering using simulation-based inference. In this work, we present …
Full forward model of galaxy clustering statistics with AbacusSummit light cones
Novel summary statistics beyond the standard 2-point correlation function (2PCF) are
necessary to capture the full astrophysical and cosmological information from the small …
necessary to capture the full astrophysical and cosmological information from the small …
The completed SDSS-IV extended baryon oscillation spectroscopic survey: pairwise-inverse probability and angular correction for fibre collisions in clustering …
FG Mohammad, WJ Percival, HJ Seo… - Monthly Notices of …, 2020 - academic.oup.com
ABSTRACT The completed extended Baryon Oscillation Spectroscopic Survey (eBOSS)
catalogues contain redshifts of 344 080 quasars at 0.8< z< 2.2, 174 816 luminous red …
catalogues contain redshifts of 344 080 quasars at 0.8< z< 2.2, 174 816 luminous red …
Cosmological constraints from the nonlinear galaxy bispectrum
We present the cosmological constraints from analyzing higher-order galaxy clustering on
small nonlinear scales. We use SimBIG, a forward modeling framework for galaxy clustering …
small nonlinear scales. We use SimBIG, a forward modeling framework for galaxy clustering …
DESI 2024 V: Full-Shape Galaxy Clustering from Galaxies and Quasars
AG Adame, J Aguilar, S Ahlen, S Alam… - arxiv preprint arxiv …, 2024 - arxiv.org
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 $0.1< z< …
clustering using over 4.7 million unique galaxy and quasar redshifts in the range $0.1< z< …
Cosmological constraints from non-Gaussian and nonlinear galaxy clustering using the SimBIG inference framework
The standard Λ CDM cosmological model predicts the presence of cold dark matter, with the
current accelerated expansion of the Universe driven by dark energy. This model has …
current accelerated expansion of the Universe driven by dark energy. This model has …