A 2% Distance to z=0.35 by Reconstructing Baryon Acoustic Oscillations - I : Methods and Application to the Sloan Digital Sky Survey

Abstract

We apply the reconstruction technique to the clustering of galaxies from the SDSS DR7 LRG sample, sharpening the baryon acoustic oscillation (BAO) feature and achieving a 1.9% measurement of the distance to z=0.35. This is the first application of reconstruction of the BAO feature in a galaxy redshift survey. We update the reconstruction algorithm of Eisenstein et al, 2007 to account for the effects of survey geometry as well as redshift-space distortions and validate it on 160 LasDamas simulations. We demonstrate that reconstruction sharpens the BAO feature in the angle averaged galaxy correlation function, reducing the nonlinear smoothing scale Σ_nl from 8.1 Mpc/h to 4.4 Mpc/h. Reconstruction also significantly reduces the effects of redshift-space distortions at the BAO scale, isotropizing the correlation function. This sharpened BAO feature yields an unbiased distance estimate (< 0.2%) and reduces the scatter from 3.3% to 2.1%. We demonstrate the robustness of these results to the various reconstruction parameters, including the smoothing scale, the galaxy bias and the linear growth rate. Applying this reconstruction algorithm to the SDSS LRG DR7 sample improves the significance of the BAO feature in these data from 3.3 sigma for the unreconstructed correlation function, to 4.2 sigma after reconstruction. We estimate a relative distance scale D_V/r_s to z=0.35 of 8.88+/-0.17, where r_s is the sound horizon and D_V = (D_A^2/H)^{1/3} is a combination of the angular diameter distance D_A and Hubble parameter H. Assuming a sound horizon of 154.25 Mpc, this translates into a distance measurement D_V (z=0.35) = 1.356+/-0.025 Gpc. We find that reconstruction reduces the distance error in the DR7 sample from 3.5% to 1.9%, equivalent to a survey with three times the volume of SDSS.

15 pages, 15 figures, MNRAS submitted. This is the first of a series of three papers. See http://www.astro.yale.edu/padmanabhan/dr7recon/ for associated data files and figures

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• Optimal Transport Reconstruction of Baryon Acoustic Oscillations
• A brief review on cosmological analysis of galaxy surveys with multiple tracers
• Quintessence versus phantom dark energy: the arbitrating power of current and future observations
• The Scale of Inflation in the Landscape
• Compressed baryon acoustic oscillation analysis is robust to modified-gravity models
• Velocity reconstruction in the era of DESI and Rubin (part I): Exploring spectroscopic, photometric & hybrid samples
• On general features of warm dark matter with reduced relativistic gas
• Growth of perturbations in dark energy parametrization scenarios
• Probing interactions within the dark matter sector via extra radiation contributions
• Comparison of cosmological models using standard rulers and candles
• Covariance of the redshift-space matter power spectrum after reconstruction
• Effect of model-dependent covariance matrix for studying Baryon Acoustic Oscillations
• Mitigating the noise of DESI mocks using analytic control variates
• Backlighting extended gas halos around luminous red galaxies: kinematic Sunyaev-Zel'dovich effect from DESI Y1 x ACT
• Volume Statistics as a Probe of Large-Scale Structure
• Testing averaged cosmology with type Ia supernovae and BAO data
• The clustering of galaxies in the SDSS-III Baryon Oscillation Spectroscopic Survey: Effect of smoothing of density field on reconstruction and anisotropic BAO analysis
• The redshift-space galaxy two-point correlation function and baryon acoustic oscillations
• HOD-Dependent Systematics for Luminous Red Galaxies in the DESI 2024 BAO Analysis
• Application of the iterative reconstruction to simulated galaxy fields
• Gravitational Waves: A Test for Modified Gravity
• Cubic Derivative Interactions and Asymptotic Dynamics of the Galileon Vacuum
• The Kinematic Sunyaev-Zel'dovich Effect with ACT, DES, and BOSS: a Novel Hybrid Estimator
• Is the CMB telling us that dark matter is weaker than weakly interacting?
• Bispectrum as Baryon Acoustic Oscillation Interferometer
• Iterative removal of redshift space distortions from galaxy clustering
• A new parametrization for dark energy density and future deceleration
• Isocurvature perturbations and tensor mode in light of Planck and BICEP2
• Distance Probes of Dark Energy
• Bayesian redshift-space distortions correction from galaxy redshift surveys
• Bayesian evidence of non-standard inflation: isocurvature perturbations and running spectral index
• Understanding the Reconstruction of the Biased Tracer
• Constraining dark sector perturbations I: cosmic shear and CMB lensing
• Extracting high-order cosmological information in galaxy surveys with power spectra
• A low Hubble Constant from galaxy distribution observations
• BAO cosmology in non-spatially flat background geometry from BOSS+eBOSS and lessons for future surveys
• Biased tracer reconstruction with halo mass information
• A single parameterization for dark energy and modified gravity models
• Towards realistic $f(T)$ models with nonminimal torsion-matter coupling extension
• Phenomenology of BAO evolution from Lagrangian to Eulerian Space
• Redshift Weights for Baryon Acoustic Oscillations : Application to Mock Galaxy Catalogs
• Redshift drift constraints on f(T) gravity
• Schwarzschild Lecture 2014: HectoMAPping The Universe
• The ESO's VLT Type Ia supernova spectral set of the final two years of SNLS
• Shell-like structures in our cosmic neighbourhood
• Reconstructing a non-linear interaction in the dark sector with cosmological observations
• Constraints on single-field inflation with WMAP, SPT and ACT data -- A last-minute stand before Planck
• BAO Modulation as a Probe of Compensated Isocurvature Perturbations
• Constraining dark sector perturbations II: ISW and CMB lensing tomography
• Performance study of Lagrangian methods: reconstruction of large scale peculiar velocities and baryonic acoustic oscillations
• Dynamical systems analysis of the cubic galileon beyond the exponential potential and the cosmological analogue of the vDVZ discontinuity
• Exploring the Cosmological Model in $f(R,T^{\varphi })$ Gravity with Observational Constraints
• Weighing neutrinos in $f(R)$ gravity in light of BICEP2
• Imprint of a Steep Equation of State in the growth of structure
• Cosmic acceleration from coupling of baryonic and dark matter components: Analysis and diagnostics
• How CMB and large-scale structure constrain chameleon interacting dark energy
• Lensing smoothing of BAO wiggles
• Consistency of nonlinear interacting ghost dark energy with recent observations
• Confronting Dark Energy Anisotropic Stress
• The effect of inhomogeneities on dark energy constraints
• Observationally constrained accelerating cosmological model with higher power of non-metricity and squared trace
• Detecting baryon acoustic oscillations by 3d weak lensing
• The clustering of galaxies in the SDSS-III Baryon Oscillation Spectroscopic Survey: constraints on the time variation of fundamental constants from the large-scale two-point correlation function
• Constraints on Brane-World Inflation from the CMB Power Spectrum: Revisited
• Measuring the BAO peak position with different galaxy selections
• Reconstruction with velocities
• Can a void mimic the $\Lambda$ in $\Lambda$CDM?
• Dark-energy dependent test of general relativity at cosmological scales
• Breaking the baryon-dark matter degeneracy in a model-independent way through the Sunyaev-Zeldovich effect
• Cosmological data and indications for new physics
• No stable dissipative phantom scenario in the framework of a complete cosmological dynamics
• Remapping simulated halo catalogues in redshift space
• How does pressure gravitate? Cosmological constant problem confronts observational cosmology
• Study in the noncanonical domain of Goldstone inflation
• Biasing relation, environmental dependencies and estimation of the growth rate from star forming galaxies
• Cosmological constraints on ultra-light axion fields
• Higher Order Hamiltonian Monte Carlo Sampling for Cosmological Large-Scale Structure Analysis
• MUSCLE-UPS: Improved Approximations of the Matter Field with the Extended Press-Schechter Formalism and Lagrangian Perturbation Theory
• The variation of the fine structure constant: testing the dipole model with thermonuclear supernovae
• Quantum collapse as source of the seeds of cosmic structure during the radiation era
• Model Selection with Baryonic Acoustic Oscillations in the Lyman-alpha Forest
• Constraints on Cosmological Models from Hubble Parameters Measurements
• Interacting parametrized post-Friedmann method
• Cosmological implications of different baryon acoustic oscillation data
• Reassessing Dust's Role in Forming the CMB
• Giga-z: A 100,000 Object Superconducting Spectrophotometer for LSST Follow-up
• Cosmology at high redshift -- a probe of fundamental physics
• Constraints on the $\Lambda$CDM model with redshift tomography
• Improved two-point correlation function estimates using glass-like distributions as a reference sample
• Analysis cosmological tachyon and fermion model and observation data constraints
• Evolution of linear perturbations in Lemaître-Tolman-Bondi void models
• The clustering of LRGs in the DECaLS DR8 footprint: distance constraints from baryon acoustic oscillations using photometric redshifts
• Smoothing the redshift distributions of random samples for the baryon acoustic oscillations : applications to the SDSS-III BOSS DR12 and QPM mock samples
• Tests of Acoustic Scale Shifts in Halo-based Mock Galaxy Catalogues
• Non-linear Structure Formation for Dark Energy Models with a Steep Equation of State
• Reconciling BICEP2 and Planck results with right-handed Dirac neutrinos in the fundamental representation of grand unified E_6
• Measuring H0 from the 6dF Galaxy Survey and future low-redshift surveys
• Investigating the Possibility of a Turning Point in the Dark Energy Equation of State
• Fisher forecast for the BAO measurements from the CSST spectroscopic and photometric galaxy clustering
• Dynamics of dark energy in the gravitational fields of matter inhomogeneities
• Model Selection using Baryon Acoustic Oscillations in the Final SDSS-IV Release
• Reconstructing thawing quintessence with multiple datasets
• The Two-Point Correlation Function of Gamma-ray Bursts
• Novel aspects of C-theories in Cosmology
• Scalar-tensor extension of the $\Lambda$CDM model
• Cosmic void exclusion models and their impact on the distance scale measurements from large scale structure
• Cosmic Void Baryon Acoustic Oscillation Measurement: Evaluation of Sensitivity to Selection Effects
• Bayesian large-scale structure inference and cosmic web analysis
• Extended Fast Action Minimisation method: application to SDSS-DR12 Combined Sample
• Emission line properties of the most luminous AGN in massive galaxies at intermediate redshifts
• The environmental dependence of the baryon acoustic peak in the Baryon Oscillation Spectroscopic Survey CMASS sample
• Non-Gaussian assembly bias from a semi-analytic galaxy formation model
• Testing Dvali-Gabadadze-Porrati Gravity with Planck
• Constraints on Dark Energy from New Observations including Pan-STARRS
• Discerning Dark Energy Models with High-Redshift Standard Candles
• A Pop III generated dust screen at z~16
• $H_0$ Without the Sound Horizon (or Supernovae): A 2% Measurement in DESI DR1
• Anisotropic background for two fluids: matter and holographic dark energy
• On the origin of the BAOtr-DESI tension
• Cosmology and the Dark Matter Frontier
• The smearing scale in Laguerre reconstructions of the correlation function
• Cosmic distance determination from photometric redshift samples using BAO peaks only
• Constraining primordial vector mode from B-mode polarization
• Updated reduced CMB data and constraints on cosmological parameters
• Data Analysis and Phenomenological Cosmology
• Optimizing the Recovery of Fisher Information in the Dark Matter Power Spectrum
• kSZ Pairwise Velocity Reconstruction with Machine Learning
• Distinguishing between inflationary models from cosmic microwave background
• Disentangling the Halo: Joint Model for Measurements of the Kinetic Sunyaev-Zeldovich Effect and Galaxy-Galaxy Lensing
• Action functional of the Cardassian universe
• Hubble Expansion as an Einstein Curvature
• Anisotropic cosmology in Bumblebee gravity theory
• Cosmological Perturbations in the 5D Holographic Big Bang Model
• Probing the independence within the dark sector in the fluid approximation
• An Algorithm to locate the centers of Baryon Acoustic Oscillations
• Observational constraints in late time for an axially symmetric transitioning model with bulk viscous fluid
• An Accelerating Flat FLRW Model with Observation Constraints and Dynamic $\Lambda$
• Anisotropic cosmology using observational datasets: exploring via machine learning approaches
• Cosmological constraints with the linear point from the BOSS survey
• Black holes in $f(R)$ gravity coupled to nonlinear electromagnetic fields
• Updated neutrino mass constraints from galaxy clustering and CMB lensing-galaxy cross-correlation measurements
• Euclid preparation. 3-dimensional galaxy clustering in configuration space. Part I. 2-point correlation function estimation
• Reducing the Tension Between the BICEP2 and the Planck Measurements: A Complete Exploration of the Parameter Space
• Approximate methods for the generation of dark matter halo catalogs in the age of precision cosmology
• Observational constraints on cosmological parameters in the Bianchi type III Universe with f(R,T) gravity theory
• Studying baryon acoustic oscillations using photometric redshifts from the DESI Legacy Imaging survey DR9
• Cosmological parameter fittings with the BICEP2 data
• Dark aspects of massive spinor electrodynamics
• A possible geometrical origin of the accelerated expansion of the universe
• Robust New Statistic for fitting the Baryon Acoustic Feature
• Constraining LTB models with JLA supernovae and BAO
• Forecasts for cosmological measurements based on the angular power spectra of AGN and clusters of galaxies in the SRG/eROSITA all-sky survey
• Observational constraints on thawing quintessence scalar field model
• Cosmological constraints from galaxy multi-tracers in the nearby Universe
• The general expression for $f(T)$ in a charged cylindrical spacetime with diverse dimensions
• Subdominant Dark Matter sterile neutrino resonant production in the light of Planck
• Observational effects of the early episodically dominating dark energy
• Extracting the BAO scale from BOSS DR12 dataset
• Accelerating BAO Scale Fitting Using Taylor Series
• Cosmology and Quantum Field Theory: A study of the Nambu-Jona-Lasinio Model
• Cosmology and Quantum Field Theory II: Study of an extended Nambu-Jona-Lasinio model with a Dynamical Coupling
• Exploring the Universe Expansion History with f(R,T) Gravity: Constraints on Cosmological Parameters
• Measuring the baryon fraction in cluster of galaxies with Kinematic Sunyaev Zeldovich and a Standard Candle
• Solar System Tests of a New Class of $f(z)$ Theory
• Does History Repeat Itself? Periodic Time Cosmology
• On the baryon acoustic oscillation amplitude as a probe of radiation density
• Robustness of cosmological axion mass limits
• The Cosmological Effect of CMB/BAO Measurements
• From Redshift to Real Space: Combining Linear Theory With Neural Networks
• An Overview of CHIME, the Canadian Hydrogen Intensity Mapping Experiment
• Testing Large-Scale Structure Measurements Against Fisher Matrix Predictions
• Dark Radiation and Inflationary Freedom
• Intermediate redshift calibration of Gamma-ray Bursts and cosmic constraints in non-flat cosmology
• Laguerre reconstruction of the BAO feature in halo-based mock galaxy catalogues
• Checking T and CPT violation with sterile neutrino
• Recent results and perspectives on cosmology and fundamental physics from microwave surveys
• Streaming Velocity Effects on the Post-reionization 21 cm Baryon Acoustic Oscillation Signal
• Dark Radiation and Inflationary Freedom