21 cm Intensity Mapping with the DSA-2000
arXiv:2311.00896 · doi:10.3847/1538-4357/ad3a6a
Abstract
Line intensity mapping is a promising probe of the universe's large-scale structure. We explore the sensitivity of the DSA-2000, a forthcoming array consisting of over 2000 dishes, to the statistical power spectrum of neutral hydrogen's 21 cm emission line. These measurements would reveal the distribution of neutral hydrogen throughout the near-redshift universe without necessitating resolving individual sources. The success of these measurements relies on the instrument's sensitivity and resilience to systematics. We show that the DSA-2000 will have the sensitivity needed to detect the 21 cm power spectrum at z=0.5 and across power spectrum modes of 0.03-35.12 h/Mpc with 0.1 h/Mpc resolution. We find that supplementing the nominal array design with a dense core of 200 antennas will expand its sensitivity at low power spectrum modes and enable measurement of Baryon Acoustic Oscillations (BAOs). Finally, we present a qualitative discussion of the DSA-2000's unique resilience to sources of systematic error that can preclude 21 cm intensity mapping.
Published in ApJ
References in corpus (74)
- The Sloan Digital Sky Survey: Technical Summary
- Efficient Computation of CMB anisotropies in closed FRW models
- LSST: from Science Drivers to Reference Design and Anticipated Data Products
- Sloan Digital Sky Survey IV: Mapping the Milky Way, Nearby Galaxies, and the Distant Universe
- Understanding the Lomb-Scargle Periodogram
- Resolving Cosmic Structure Formation with the Millennium-II Simulation
- The SDSS-IV extended Baryon Oscillation Spectroscopic Survey: Overview and Early Data
- Reionization and Cosmology with 21 cm Fluctuations
- Baryon Acoustic Oscillation Intensity Mapping as a Test of Dark Energy
- Measurement of 21 cm brightness fluctuations at z ~ 0.8 in cross-correlation
- Late-time cosmology with 21cm intensity mapping experiments
- A Per-Baseline, Delay-Spectrum Technique for Accessing the 21cm Cosmic Reionization Signature
- Four Fundamental Foreground Power Spectrum Shapes for 21 cm Cosmology Observations
- Upper limits on the 21-cm Epoch of Reionization power spectrum from one night with LOFAR
- LOFAR facet calibration
- The Epoch of Reionization Window: I. Mathematical Formalism
- New Limits on 21cm EoR From PAPER-32 Consistent with an X-Ray Heated IGM at z=7.7
- Toward Epoch of Reionization Measurements with Wide-Field Radio Observations
- Data Analysis for Precision 21 cm Cosmology
- Imaging the Epoch of Reionization: limitations from foreground confusion and imaging algorithms
- Deep multi-redshift limits on Epoch of Reionisation 21cm Power Spectra from Four Seasons of Murchison Widefield Array Observations
- The Epoch of Reionization Window: II. Statistical Methods for Foreground Wedge Reduction
- The impact of point source subtraction residuals on 21 cm Epoch of Reionization estimation
- Ingredients for 21cm intensity mapping
- Calibration Requirements for Detecting the 21 cm Epoch of Reionization Power Spectrum and Implications for the SKA
- Opening the 21cm EoR Window: Measurements of Foreground Isolation with PAPER
- Lack of clustering in low-redshift 21-cm intensity maps cross-correlated with 2dF galaxy densities
- The Baryon Acoustic Oscillation Broadband and Broad-beam Array: Design Overview and Sensitivity Forecasts
- A study of fundamental limitations to statistical detection of redshifted HI from the epoch of reionization
- Correcting direction-dependent gains in the deconvolution of radio interferometric images
- The low-frequency environment of the Murchison Widefield Array: radio-frequency interference analysis and mitigation
- Baryonic Acoustic Oscillations in 21cm Emission: A Probe of Dark Energy out to High Redshifts
- Neutral hydrogen surveys for high redshift galaxy clusters and proto-clusters
- The Evolution of the Baryons Associated with Galaxies Averaged over Cosmic Time and Space
- A simplified, lossless re-analysis of PAPER-64
- Improving the Epoch of Reionization Power Spectrum Results from Murchison Widefield Array Season 1 Observations
- CubiCal - Fast radio interferometric calibration suite exploiting complex optimisation
- Precision Calibration of Radio Interferometers Using Redundant Baselines
- Statistical 21-cm Signal Separation via Gaussian Process Regression Analysis
- HI intensity mapping with MeerKAT: power spectrum detection in cross-correlation with WiggleZ galaxies
- HI constraints from the cross-correlation of eBOSS galaxies and Green Bank Telescope intensity maps
- Fundamental Limitations on the Calibration of Redundant 21 cm Cosmology Instruments and Implications for HERA and the SKA
- The Fundamental Multi-Baseline Mode-Mixing Foreground in 21 cm EoR Observations
- Detection of Cosmological 21 cm Emission with the Canadian Hydrogen Intensity Mapping Experiment
- Distributed Radio Interferometric Calibration
- Mitigating Internal Instrument Coupling for 21 cm Cosmology I: Temporal and Spectral Modeling in Simulations
- The Murchison Widefield Array 21 cm Power Spectrum Analysis Methodology
- Mitigating the Effects of Antenna-to-Antenna Variation on Redundant-Baseline Calibration for 21 cm Cosmology
- Weighing neutrinos with cosmic neutral hydrogen
- HI and cosmological constraints from intensity mapping, optical, and CMB surveys
- Understanding the Diversity of 21 cm Cosmology Analyses
- Absolving the SSINS of Precision Interferometric Radio Data: A New Technique for Mitigating Faint Radio Frequency Interference
- The atomic Hydrogen content of the post-reionization Universe
- The impact of interference excision on 21-cm Epoch of Reionization power spectrum analyses
- Redundant-Baseline Calibration of the Hydrogen Epoch of Reionization Array
- DSA-10: A Prototype Array for Localizing Fast Radio Bursts
- A Self-consistent Framework for Multiline Modeling in Line Intensity Mapping Experiments
- Mapmaking for Precision 21 cm Cosmology
- First Detection of the BAO Signal from Early DESI Data
- A Unified Calibration Framework for 21 cm Cosmology
- Calibration and 21-cm Power Spectrum Estimation in the Presence of Antenna Beam Variations
- Quantifying Excess Power from Radio Frequency Interference in Epoch of Reionization Measurements
- The NANOGrav 12.5-Year Data Set: Polarimetry and Faraday Rotation Measures from Observations of Millisecond Pulsars with the Green Bank Telescope
- Holographic Beam Mapping of the CHIME Pathfinder Array
- Impact of astrophysics on cosmology forecasts for 21 cm surveys
- Cross-correlating 21 cm and galaxy surveys: implications for cosmology and astrophysics
- Statistical recovery of 21cm visibilities and their power spectra with Gaussian constrained realisations and Gibbs sampling
- Extracting HI Astrophysics from Interferometric Intensity Mapping
- Exploring the consequences of chromatic data excision in 21-cm Epoch of Reionization power spectrum observations
- Characterization Of Inpaint Residuals In Interferometric Measurements of the Epoch Of Reionization
- Reduced Ambiguity Calibration for LOFAR
- The FHD Polarized Imaging Pipeline: A New Approach to Widefield Interferometric Polarimetry
- A Comparative Analysis To Deal With Missing Spectral Information Caused By RFI In Cosmological HI 21CM Observations
- The Statistics of Negative Power Spectrum Systematics in some 21 cm Analyses