Cover Image

Systematic Spectral Distortion from Digital Whitening in Radio Telescopes and Implications for 21 cm Cosmology

Fuente: arXiv

Saved in:

Bibliographic Details
Main Authors:	Byrne, Ruby, D'Addario, Larry R., Jacobs, Daniel C., Hallinan, Gregg
Format:	Preprint
Published:	2026
Subjects:	Instrumentation and Methods for Astrophysics Cosmology and Nongalactic Astrophysics
Online Access:	Acceder al recurso
Tags:	Add Tag No Tags, Be the first to tag this record!

Similar Items

21 cm Intensity Mapping with the DSA-2000
by: Byrne, Ruby, et al.
Published: (2023)

FarView: An In-Situ Manufactured Lunar Far Side Radio Array Concept for 21-cm Dark Ages Cosmology
by: Polidan, Ronald S., et al.
Published: (2024)

Complete Sampling of the $uv$ Plane with Realistic Radio Arrays: Introducing the RULES Algorithm, with Application to 21 cm Foreground Wedge Removal
by: MacKay, Vincent, et al.
Published: (2025)

Evidence of Ultra-faint Radio Frequency Interference in Deep 21~cm Epoch of Reionization Power Spectra with the Murchison Widefield Array
by: Wilensky, Michael J., et al.
Published: (2023)

CosmicWeb-21cm array: A New Radio Observation Array Design for 21cm Cosmology
by: Wang, Jiancheng, et al.
Published: (2026)

Uncovering the Effects of Array Mutual Coupling in 21-cm Experiments with the SKA-Low Radio Telescope
by: O'Hara, Oscar S. D., et al.
Published: (2024)

Spectral Redundancy for Calibrating Interferometers and Suppressing the Foreground Wedge in 21cm Cosmology
by: Cox, Tyler A., et al.
Published: (2023)

Cosmological super-resolution of the 21-cm signal
by: Pochinda, Simon, et al.
Published: (2025)

A Bayesian Method to Mitigate the Effects of Unmodelled Time-Varying Systematics for 21-cm Cosmology Experiments
by: Kirkham, Christian J., et al.
Published: (2023)

$\texttt{MEDEA}$: A New Model for Emulating Radio Antenna Beam Patterns for 21-cm Cosmology and Antenna Design Studies
by: Hibbard, Joshua J., et al.
Published: (2024)

Quantifying the Impact of Lunar and Planetary Occultation on Experimental Global 21 cm Cosmology
by: Pattison, Joe H. N., et al.
Published: (2025)

A Visibility-based 21 cm Bispectrum Estimator for Radio-interferometric Data
by: Gill, Sukhdeep Singh, et al.
Published: (2025)

The FarView Low Frequency Radio Array on the Moon's Far Side: Science and Array Architecture
by: Burns, Jack O., et al.
Published: (2026)

Capturing System Drift with Time Series Calibration for Global 21-cm Cosmology Experiments
by: Kirkham, Christian J., et al.
Published: (2025)

Optimising Foreground Modelling for Global 21cm Cosmology with GPU-Accelerated Nested Sampling
by: Tutt, Jacob L., et al.
Published: (2026)

Accounting for Noise and Singularities in Bayesian Calibration Methods for Global 21-cm Cosmology Experiments
by: Kirkham, Christian J., et al.
Published: (2024)

The Atacama Cosmology Telescope: DR6 Maps
by: Naess, Sigurd, et al.
Published: (2025)

A Differentiable, End-to-End Forward Model for 21 cm Cosmology: Estimating the Foreground, Instrument, and Signal Joint Posterior
by: Kern, Nicholas
Published: (2025)

The Atacama Cosmology Telescope: Map-Based Noise Simulations for DR6
by: Atkins, Zachary, et al.
Published: (2023)

Probing the Global 21-cm Signal via the Integrated Sachs-Wolfe Effect on the 21-cm Background
by: Ahn, Kyungjin, et al.
Published: (2023)

Optical modeling of systematic uncertainties in detector polarization angles for the Atacama Cosmology Telescope
by: Murphy, Colin C., et al.
Published: (2024)

The Wrath of KAN: Enabling Fast, Accurate, and Transparent Emulation of the Global 21 cm Cosmology Signal
by: Jones, J. Dorigo, et al.
Published: (2025)

Unlocking 21cm Cosmology with SBI: A Beginner friendly NRE for Inference of Astrophysical Parameters
by: Sen, Bisweswar
Published: (2025)

Spectral modelling of Cygnus A between 110 and 250 MHz. Impact on the LOFAR 21-cm signal power spectrum
by: Ceccotti, E., et al.
Published: (2025)

A Multi-Site Study of Radio Environment for Cosmology Experiments
by: Agrawal, Yash, et al.
Published: (2025)

SPECTER: An Instrument Concept for CMB Spectral Distortion Measurements with Enhanced Sensitivity
by: Sabyr, Alina, et al.
Published: (2024)

GroundBIRD Telescope: Systematics Modelization of MKID Arrays Response
by: Jo, Yonggil, et al.
Published: (2025)

The Atacama Cosmology Telescope: Semi-Analytic Covariance Matrices for the DR6 CMB Power Spectra
by: Atkins, Zachary, et al.
Published: (2024)

Direction-dependent effects on global 21-cm detection
by: Agrawal, Yash, et al.
Published: (2024)

Recovering the Wedge Modes Lost to 21-cm Foregrounds
by: Gagnon-Hartman, Samuel, et al.
Published: (2021)

Detection of the Cosmological 21 cm Signal in Auto-correlation at z ~ 1 with the Canadian Hydrogen Intensity Mapping Experiment
by: CHIME Collaboration, et al.
Published: (2025)

Three-dimensional Conditional Diffusion Models for Cosmological 21 cm Lightcone Emulation
by: Xia, Bin, et al.
Published: (2026)

Optimisation of calibration sources for global 21-cm experiments: the REACH case
by: Dash, Adarsh Kumar, et al.
Published: (2026)

Emulating Global 21 cm Cosmology Observations from the Lunar Far Side to Achieve Quick and Reliable Physical Constraints
by: Jones, J. Dorigo, et al.
Published: (2025)

Correlation-based Beam Calibration of 21cm Intensity Mapping
by: Ding, Jiacheng, et al.
Published: (2024)

PEACC -- Precision Emitter for 21 cm Array Coherent Calibration
by: Bhopi, Kalyani, et al.
Published: (2026)

Simulation-Based Inference of the sky-averaged 21-cm signal from CD-EoR with REACH
by: Saxena, Anchal, et al.
Published: (2024)

Limits on the 21 cm power spectrum at z=6.5-7.0 from MWA observations
by: Nunhokee, C. D., et al.
Published: (2025)

Bayesian estimation of cross-coupling and reflection systematics in 21cm array visibility data
by: Murphy, Geoff G., et al.
Published: (2023)

ECHO21: a tool for modelling global 21-cm signal from dark ages to reionization
by: Mittal, Shikhar, et al.
Published: (2025)