The Completed SDSS-IV extended Baryon Oscillation Spectroscopic Survey: measurement of the BAO and growth rate of structure of the luminous red galaxy sample from the anisotropic power spectrum between redshifts 0.6 and 1.0

Abstract

We analyse the clustering of the Sloan Digital Sky Survey IV extended Baryon Oscillation Spectroscopic Survey Data Release 16 luminous red galaxy sample (DR16 eBOSS LRG) in combination with the high redshift tail of the Sloan Digital Sky Survey III Baryon Oscillation Spectroscopic Survey Data Release 12 (DR12 BOSS CMASS). We measure the redshift space distortions (RSD) and also extract the longitudinal and transverse baryonic acoustic oscillation (BAO) scale from the anisotropic power spectrum signal inferred from 377,458 galaxies between redshifts 0.6 and 1.0, with effective redshift of $z_{\mathrm{eff}}=0.698$ and effective comoving volume of $2.72{\mathrm{Gpc}}^3$. After applying reconstruction we measure the BAO scale and infer $D_H(z_{\mathrm{eff}})/r_{\mathrm{drag}}=19.30\pm 0.56$ and $D_M(z_{\mathrm{eff}})/r_{\mathrm{drag}}=17.86\pm 0.37$. When we perform a redshift space distortions analysis on the pre-reconstructed catalogue on the monopole, quadrupole and hexadecapole we find, $D_H(z_{\mathrm{eff}})/r_{\mathrm{drag}}=20.18\pm 0.78$, $D_M(z_{\mathrm{eff}})/r_{\mathrm{drag}}=17.49\pm 0.52$ and $f{\sigma }_8(z_{\mathrm{eff}})=0.454\pm 0.046$. We combine both sets of results along with the measurements in configuration space of \cite{LRG_corr} and report the following consensus values: $D_H(z_{\mathrm{eff}})/r_{\mathrm{drag}}=19.77\pm 0.47$, $D_M(z_{\mathrm{eff}})/r_{\mathrm{drag}}=17.65\pm 0.30$ and $f{\sigma }_8(z_{\mathrm{eff}})=0.473\pm 0.044$, which are in full agreement with the standard $\Lambda$CDM and GR predictions. These results represent the most precise measurements within the redshift range $0.6\le z\le 1.0$ and are the culmination of more than 8 years of SDSS observations.

41 pages, 20 figures; Minor updates to match the published version in MNRAS. A summary of all SDSS BAO and RSD measurements with accompanying legacy figures can be found here: https://www.sdss.org/science/final-bao-and-rsd-measurements/ . The full cosmological interpretation of these measurements can be found here: https://www.sdss.org/science/cosmology-results-from-eboss/

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• Galaxy Spectra Networks (GaSNet). III. Generative pre-trained network for spectrum reconstruction, redshift estimate and anomaly detection
• Multiple measurements on the cosmic curvature using Gaussian process regression without calibration and a cosmological model
• Fisher forecast for the BAO measurements from the CSST spectroscopic and photometric galaxy clustering
• A solution to the S8 tension through neutrino-dark matter interactions
• Model Selection using Baryon Acoustic Oscillations in the Final SDSS-IV Release
• Addressing the $r_d$ Tension using Late-Time Observational Measurements in a Novel deceleration Parametrization
• Dipolar dark matter simulations on galaxy scales with the RAMSES code
• Angular systematics-free cosmological analysis of galaxy clustering in configuration space
• Observational Constraints on the Parameters of Hořava-Lifshitz Gravity
• The Seventeenth Data Release of the Sloan Digital Sky Surveys: Complete Release of MaNGA, MaStar and APOGEE-2 Data
• Anisotropic effective redshift and evolving clustering amplitude
• The first direct measurement of gravitational potential decay rate at cosmological scales and improved dark energy constraint
• Signatures of Very Early Dark Energy in the Matter Power Spectrum
• Bispectrum constraints on Primordial non-Gaussianities with the eBOSS DR16 quasars
• Thermodynamics of Modified Chaplygin-Jacobi Gas and Modified Chaplygin-Abel Gas: Stability Analysis and Observational Constraints
• Window convolution of the galaxy clustering bispectrum
• Covariance matrices for variance-suppressed simulations
• Breaking the ${\tau }_{\mathrm{T}}-f$ degeneracy of the kinetic Sunyaev Zel'dovich cosmology in redshift space
• Stochastic dark matter: Covariant Brownian motion from Planckian discreteness
• Position-dependent Voronoi probability distribution functions for matter and halos
• Angular Correlation Function from sample covariance with BOSS and eBOSS LRG
• Exploring HOD-dependent systematics for the DESI 2024 Full-Shape galaxy clustering analysis
• On the origin of the BAOtr-DESI tension
• Reconstructions of Einstein-Aether Gravity from Barrow Agegraphic and New Barrow Agegraphic Dark Energy models: Examinations and Observational Limits
• Constraining the swiss-cheese IR-fixed point cosmology with cosmic expansion
• Gravitational Lensing of Dark Energy Models and $\Lambda$CDM Using Observational data in Loop Quantum Cosmology
• The Hydrogen Intensity and Real-time Analysis eXperiment: 256-Element Array Status and Overview
• Catalog-level blinding on the bispectrum for DESI-like galaxy surveys
• On the Field Theoretical Description of an Alternative Model to Generalized Chaplygin Gas and its Thermodynamic Behaviour
• Model-Agnostic Cosmological Inference with SDSS-IV eBOSS: Simultaneous Probing for Background and Perturbed Universe
• Reconstructing HI power spectrum with minimal parameters using the dark matter distribution beyond halos
• KiDS-Legacy: Constraints on Horndeski gravity from weak lensing combined with galaxy clustering and cosmic microwave background anisotropies
• Updated neutrino mass constraints from galaxy clustering and CMB lensing-galaxy cross-correlation measurements
• Baryon acoustic oscillations from a joint analysis of the large-scale clustering in Fourier and configuration space
• 6x2pt: Forecasting gains from joint weak lensing and galaxy clustering analyses with spectroscopic-photometric galaxy cross-correlations
• Results and forecasts on cosmic inflation from weak lensing
• KiDS-Legacy: Constraining dark energy, neutrino mass, and curvature
• Studying baryon acoustic oscillations using photometric redshifts from the DESI Legacy Imaging survey DR9
• Forecasts for cosmological measurements based on the angular power spectra of AGN and clusters of galaxies in the SRG/eROSITA all-sky survey
• The Completed SDSS-IV Extended Baryon Oscillation Spectroscopic Survey: Growth rate of structure measurement from cosmic voids
• Obtaining non-linear galaxy bias constraints from galaxy-lensing phase differences
• Artificial Neural Networks for Galaxy Clustering. Learning from the two-point correlation function of BOSS galaxies
• Towards a Machine Learning Solution for Hubble Tension: Physics-Informed Neural Network (PINN) Analysis of Tsallis Holographic Dark Energy in Presence of Neutrinos
• Dusty Clump Survival in Supernova Ejecta: Dust-Mediated Growth vs. Crushing by the Reverse Shock
• Cosmological measurements from the CMB and BAO are insensitive to the tail probability in the assumed likelihood
• Testing the robustness of the BAO determination in the presence of massive neutrinos
• Quintessence dark energy model in non-linear $f(Q)$ theory with bulk-viscosity
• Fullshape power spectrum for the Symmetron modified gravity model
• Dark energy constraints in light of theoretical priors
• A New Paradigm for Testing Gravity: Theory-Independent Constraints Using Data From All Astrophysical and Cosmological Scales
• Implementing spectra response function approaches for fast calculation of power spectra and bispectra
• New tests of dark sector interactions from the full-shape galaxy power spectrum
• Galaxy Clustering in Harmonic Space from the Dark Energy Survey Year 1 Data: Compatibility with Real-Space Results
• How to optimally combine pre-reconstruction full shape and post-reconstruction BAO signals
• Growth rate measurements from a joint analysis of the large-scale galaxy clustering in Fourier and configuration space
• Streaming Velocity Effects on the Post-reionization 21 cm Baryon Acoustic Oscillation Signal
• Expansion series of the pairwise velocity generating function and its implications on redshift space distortion modeling
• Testing Large-Scale Structure Measurements Against Fisher Matrix Predictions
• Cosmological implications of the full shape of anisotropic clustering measurements in BOSS and eBOSS
• Late-time cosmological constraints on three holographic dark energy models with DESI DR2 BAO and Type Ia supernovae
• Model-agnostic interpretation of 10 billion years of cosmic evolution traced by BOSS and eBOSS data