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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• MeV dark matter in the 3+1+1 model
• Positivity bounds from multiple vacua and their cosmological consequences
• Polarization Predictions for Inflationary CMB Power Spectrum Features
• Updated constraints from the PLANCK experiment on modified gravity
• Reconstruction of interaction rate in Holographic dark energy model with Hubble horizon as the infrared cut-off
• Strong gravitational lensing constraints on holographic dark energy
• Investigating the accelerated expansion of the Universe through updated constraints on viable $f(R)$ models within the metric formalism
• Sound speed of scalar field dark energy: weak effects and large uncertainties
• Bayesian comparison of nonstandard cosmologies using type Ia supernovae and BAO data
• Euclid: Cosmology forecasts from the void-galaxy cross-correlation function with reconstruction
• Probing a Steep EoS for Dark Energy with latest observations
• Dark Radiation after Planck
• New constraints on primordial features from the galaxy two-point correlation function
• Effective cosmic density field reconstruction with convolutional neural network
• Possible indication for non-zero neutrino mass and additional neutrino species from cosmological observations
• AGN and QSOs in the eROSITA All-Sky Survey -- Part II: The large-scale structure
• Reconstructing the baryon acoustic oscillations using biased tracers
• New parametrization of the dark-energy equation of state with a single parameter
• Response approach to the squeezed-limit bispectrum: application to the correlation of quasar and Lyman-$\alpha$ forest power spectrum
• Disentangling interacting dark energy cosmologies with the three-point correlation function
• Late-time acceleration with a scalar field source: Observational constraints and statefinder diagnostics
• The Clustering of Galaxies in the Completed SDSS-III Baryon Oscillation Spectroscopic Survey: Cosmic Flows and Cosmic Web from Luminous Red Galaxies
• Cosmological Tests of Everpresent $\Lambda$
• Friedmann cosmology with decaying vacuum density in Brans-Dicke theory
• Cosmological forecasts for future galaxy surveys with the linear point standard ruler: Toward consistent BAO analyses far from a fiducial cosmology
• Constraints on shear and rotation with massive galaxy clusters
• The Impact of Line Misidentification on Cosmological Constraints from Euclid and other Spectroscopic Galaxy Surveys
• Neutrino Anisotropies after Planck
• Viscous cosmology in $f(T)$ gravity
• Gaugessence: a dark energy model with early time radiation-like equation of state
• Constraining holographic cosmology using Planck data
• Constraints on Steep Equation of State for the Dark Energy using BAO
• Barry and the BAO Model Comparison
• Density-dependent clustering: I. Pulling back the curtains on motions of the BAO peak
• Redshift drift constraints on holographic dark energy
• Traversable holographic dark energy wormholes constrained by astronomical observations
• Early dark energy and its interaction with dark matter
• Observational constraints on the oscillating dark energy cosmologies
• Dark sectors of the Universe: A Euclid survey approach
• Future dynamics in f(R) theories
• Extended $\Lambda$CDM model
• N-point Statistics of Large-Scale Structure in the Zel'dovich Approximation
• C${}^3$-Cluster Clustering Cosmology II. First detection of the BAO peak in the three-point correlation function of galaxy clusters
• HOD-Dependent Systematics in Emission Line Galaxies for the DESI 2024 BAO analysis
• Is the baryon acoustic oscillation peak a cosmological standard ruler?
• Effective equation of state in modified gravity and observational constraints
• Cosmological acceleration
• Removing BAO-peak Shifts with Local Density Transforms
• Nonlinear Redshift-Space Distortions in the Harmonic-space Galaxy Power Spectrum
• Evidence for baryon acoustic oscillations from galaxy-ellipticity correlations
• The traces of anisotropic dark energy in light of Planck
• Robust constraints on dark energy and gravity from galaxy clustering data
• The simplest parametrization of equation of state parameter in the scalar field Universe
• Extended $\Lambda$CDM model and viscous dark energy: A Bayesian analysis
• Improving baryon acoustic oscillation measurement with the combination of cosmic voids and galaxies
• Optimal Transport Reconstruction of Baryon Acoustic Oscillations
• Perturbation theory for the redshift-space matter power spectra after reconstruction
• Primordial power spectrum and cosmology from black-box galaxy surveys
• Cold dark energy constraints from the abundance of galaxy clusters
• The Scale of Inflation in the Landscape
• Quintessence versus phantom dark energy: the arbitrating power of current and future observations
• A brief review on cosmological analysis of galaxy surveys with multiple tracers
• Compressed baryon acoustic oscillation analysis is robust to modified-gravity models
• Mitigating the noise of DESI mocks using analytic control variates
• Effect of model-dependent covariance matrix for studying Baryon Acoustic Oscillations
• Probing interactions within the dark matter sector via extra radiation contributions
• Growth of perturbations in dark energy parametrization scenarios
• Covariance of the redshift-space matter power spectrum after reconstruction
• Comparison of cosmological models using standard rulers and candles
• Velocity reconstruction in the era of DESI and Rubin (part I): Exploring spectroscopic, photometric & hybrid samples
• Backlighting extended gas halos around luminous red galaxies: kinematic Sunyaev-Zel'dovich effect from DESI Y1 x ACT
• On general features of warm dark matter with reduced relativistic gas
• Bispectrum as Baryon Acoustic Oscillation Interferometer
• Testing averaged cosmology with type Ia supernovae and BAO data
• The redshift-space galaxy two-point correlation function and baryon acoustic oscillations
• 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 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?
• Cubic Derivative Interactions and Asymptotic Dynamics of the Galileon Vacuum
• Application of the iterative reconstruction to simulated galaxy fields
• Gravitational Waves: A Test for Modified Gravity
• HOD-Dependent Systematics for Luminous Red Galaxies in the DESI 2024 BAO Analysis
• Volume Statistics as a Probe of Large-Scale Structure
• Bayesian redshift-space distortions correction from galaxy redshift surveys
• Isocurvature perturbations and tensor mode in light of Planck and BICEP2
• Distance Probes of Dark Energy
• A new parametrization for dark energy density and future deceleration
• Iterative removal of redshift space distortions from galaxy clustering
• Understanding the Reconstruction of the Biased Tracer
• A low Hubble Constant from galaxy distribution observations
• Towards realistic $f(T)$ models with nonminimal torsion-matter coupling extension
• Extracting high-order cosmological information in galaxy surveys with power spectra
• BAO cosmology in non-spatially flat background geometry from BOSS+eBOSS and lessons for future surveys
• Constraining dark sector perturbations I: cosmic shear and CMB lensing
• Phenomenology of BAO evolution from Lagrangian to Eulerian Space
• Redshift Weights for Baryon Acoustic Oscillations : Application to Mock Galaxy Catalogs
• A single parameterization for dark energy and modified gravity models
• Biased tracer reconstruction with halo mass information
• Bayesian evidence of non-standard inflation: isocurvature perturbations and running spectral index
• Reconstructing a non-linear interaction in the dark sector with cosmological observations
• BAO Modulation as a Probe of Compensated Isocurvature Perturbations
• Dynamical systems analysis of the cubic galileon beyond the exponential potential and the cosmological analogue of the vDVZ discontinuity
• Schwarzschild Lecture 2014: HectoMAPping The Universe
• The ESO's VLT Type Ia supernova spectral set of the final two years of SNLS
• Redshift drift constraints on f(T) gravity
• Shell-like structures in our cosmic neighbourhood
• 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
• Constraints on single-field inflation with WMAP, SPT and ACT data -- A last-minute stand before Planck
• Confronting Dark Energy Anisotropic Stress
• Lensing smoothing of BAO wiggles
• How CMB and large-scale structure constrain chameleon interacting dark energy
• Exploring the Cosmological Model in $f(R,T^{\varphi })$ Gravity with Observational Constraints
• Consistency of nonlinear interacting ghost dark energy with recent observations
• Weighing neutrinos in $f(R)$ gravity in light of BICEP2
• Cosmic acceleration from coupling of baryonic and dark matter components: Analysis and diagnostics
• Imprint of a Steep Equation of State in the growth of structure
• The effect of inhomogeneities on dark energy constraints
• Constraints on Brane-World Inflation from the CMB Power Spectrum: Revisited
• 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
• Detecting baryon acoustic oscillations by 3d weak lensing
• Observationally constrained accelerating cosmological model with higher power of non-metricity and squared trace
• Breaking the baryon-dark matter degeneracy in a model-independent way through the Sunyaev-Zeldovich effect
• Reconstruction with velocities
• Measuring the BAO peak position with different galaxy selections
• Can a void mimic the $\Lambda$ in $\Lambda$CDM?
• Dark-energy dependent test of general relativity at cosmological scales
• 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
• Model Selection with Baryonic Acoustic Oscillations in the Lyman-alpha Forest
• The variation of the fine structure constant: testing the dipole model with thermonuclear supernovae
• MUSCLE-UPS: Improved Approximations of the Matter Field with the Extended Press-Schechter Formalism and Lagrangian Perturbation Theory
• Biasing relation, environmental dependencies and estimation of the growth rate from star forming galaxies
• Cosmological constraints on ultra-light axion fields
• Constraints on Cosmological Models from Hubble Parameters Measurements
• Higher Order Hamiltonian Monte Carlo Sampling for Cosmological Large-Scale Structure Analysis
• Quantum collapse as source of the seeds of cosmic structure during the radiation era
• How does pressure gravitate? Cosmological constant problem confronts observational cosmology
• Study in the noncanonical domain of Goldstone inflation
• Giga-z: A 100,000 Object Superconducting Spectrophotometer for LSST Follow-up
• Cosmological implications of different baryon acoustic oscillation data
• Interacting parametrized post-Friedmann method
• Reassessing Dust's Role in Forming the CMB
• Reconciling BICEP2 and Planck results with right-handed Dirac neutrinos in the fundamental representation of grand unified E_6
• Non-linear Structure Formation for Dark Energy Models with a Steep Equation of State
• Smoothing the redshift distributions of random samples for the baryon acoustic oscillations : applications to the SDSS-III BOSS DR12 and QPM mock samples
• Cosmology at high redshift -- a probe of fundamental physics
• Tests of Acoustic Scale Shifts in Halo-based Mock Galaxy Catalogues
• Evolution of linear perturbations in Lemaître-Tolman-Bondi void models
• Analysis cosmological tachyon and fermion model and observation data constraints
• Improved two-point correlation function estimates using glass-like distributions as a reference sample
• Constraints on the $\Lambda$CDM model with redshift tomography
• The clustering of LRGs in the DECaLS DR8 footprint: distance constraints from baryon acoustic oscillations using photometric redshifts
• 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
• Reconstructing thawing quintessence with multiple datasets
• Fisher forecast for the BAO measurements from the CSST spectroscopic and photometric galaxy clustering
• Cosmic void exclusion models and their impact on the distance scale measurements from large scale structure
• Scalar-tensor extension of the $\Lambda$CDM model
• The Two-Point Correlation Function of Gamma-ray Bursts
• Model Selection using Baryon Acoustic Oscillations in the Final SDSS-IV Release
• Novel aspects of C-theories in Cosmology
• Dynamics of dark energy in the gravitational fields of matter inhomogeneities
• Testing Dvali-Gabadadze-Porrati Gravity with Planck
• Non-Gaussian assembly bias from a semi-analytic galaxy formation model
• Constraints on Dark Energy from New Observations including Pan-STARRS
• Bayesian large-scale structure inference and cosmic web analysis
• Extended Fast Action Minimisation method: application to SDSS-DR12 Combined Sample
• The environmental dependence of the baryon acoustic peak in the Baryon Oscillation Spectroscopic Survey CMASS sample
• Cosmic Void Baryon Acoustic Oscillation Measurement: Evaluation of Sensitivity to Selection Effects
• Emission line properties of the most luminous AGN in massive galaxies at intermediate redshifts
• Anisotropic background for two fluids: matter and holographic dark energy
• $H_0$ Without the Sound Horizon (or Supernovae): A 2% Measurement in DESI DR1
• Optimizing the Recovery of Fisher Information in the Dark Matter Power Spectrum
• The smearing scale in Laguerre reconstructions of the correlation function
• On the origin of the BAOtr-DESI tension
• Cosmic distance determination from photometric redshift samples using BAO peaks only
• Discerning Dark Energy Models with High-Redshift Standard Candles
• Cosmology and the Dark Matter Frontier
• Data Analysis and Phenomenological Cosmology
• A Pop III generated dust screen at z~16
• Updated reduced CMB data and constraints on cosmological parameters
• Constraining primordial vector mode from B-mode polarization
• Anisotropic cosmology using observational datasets: exploring via machine learning approaches
• Action functional of the Cardassian universe
• Probing the independence within the dark sector in the fluid approximation
• Cosmological constraints with the linear point from the BOSS survey
• Anisotropic cosmology in Bumblebee gravity theory
• Distinguishing between inflationary models from cosmic microwave background
• Updated neutrino mass constraints from galaxy clustering and CMB lensing-galaxy cross-correlation measurements
• Reducing the Tension Between the BICEP2 and the Planck Measurements: A Complete Exploration of the Parameter Space
• Hubble Expansion as an Einstein Curvature
• Black holes in $f(R)$ gravity coupled to nonlinear electromagnetic fields
• Observational constraints on cosmological parameters in the Bianchi type III Universe with f(R,T) gravity theory
• Euclid preparation. 3-dimensional galaxy clustering in configuration space. Part I. 2-point correlation function estimation
• kSZ Pairwise Velocity Reconstruction with Machine Learning
• An Algorithm to locate the centers of Baryon Acoustic Oscillations
• Disentangling the Halo: Joint Model for Measurements of the Kinetic Sunyaev-Zeldovich Effect and Galaxy-Galaxy Lensing
• Observational constraints in late time for an axially symmetric transitioning model with bulk viscous fluid
• Cosmological Perturbations in the 5D Holographic Big Bang Model
• Approximate methods for the generation of dark matter halo catalogs in the age of precision cosmology
• An Accelerating Flat FLRW Model with Observation Constraints and Dynamic $\Lambda$
• Forecasts for cosmological measurements based on the angular power spectra of AGN and clusters of galaxies in the SRG/eROSITA all-sky survey
• The general expression for $f(T)$ in a charged cylindrical spacetime with diverse dimensions
• Cosmological parameter fittings with the BICEP2 data
• Studying baryon acoustic oscillations using photometric redshifts from the DESI Legacy Imaging survey DR9
• Cosmological constraints from galaxy multi-tracers in the nearby Universe
• Subdominant Dark Matter sterile neutrino resonant production in the light of Planck
• A possible geometrical origin of the accelerated expansion of the universe
• Constraining LTB models with JLA supernovae and BAO
• Dark aspects of massive spinor electrodynamics
• Robust New Statistic for fitting the Baryon Acoustic Feature
• Observational effects of the early episodically dominating dark energy
• Observational constraints on thawing quintessence scalar field model
• Cosmology and Quantum Field Theory II: Study of an extended Nambu-Jona-Lasinio model with a Dynamical Coupling
• Extracting the BAO scale from BOSS DR12 dataset
• Does History Repeat Itself? Periodic Time Cosmology
• Cosmology and Quantum Field Theory: A study of the Nambu-Jona-Lasinio Model
• The Cosmological Effect of CMB/BAO Measurements
• Solar System Tests of a New Class of $f(z)$ Theory
• On the baryon acoustic oscillation amplitude as a probe of radiation density
• Exploring the Universe Expansion History with f(R,T) Gravity: Constraints on Cosmological Parameters
• Robustness of cosmological axion mass limits
• Measuring the baryon fraction in cluster of galaxies with Kinematic Sunyaev Zeldovich and a Standard Candle
• Accelerating BAO Scale Fitting Using Taylor Series
• Dark Radiation and Inflationary Freedom
• Recent results and perspectives on cosmology and fundamental physics from microwave surveys
• Dark Radiation and Inflationary Freedom
• An Overview of CHIME, the Canadian Hydrogen Intensity Mapping Experiment
• Streaming Velocity Effects on the Post-reionization 21 cm Baryon Acoustic Oscillation Signal
• Checking T and CPT violation with sterile neutrino
• From Redshift to Real Space: Combining Linear Theory With Neural Networks
• Laguerre reconstruction of the BAO feature in halo-based mock galaxy catalogues
• Testing Large-Scale Structure Measurements Against Fisher Matrix Predictions
• Intermediate redshift calibration of Gamma-ray Bursts and cosmic constraints in non-flat cosmology