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papers

Publications (19)

astro-ph.CO2024

Understanding spectral artefacts in SKA-LOW 21-cm cosmology experiments: the impact of cable reflections

Oscar Sage David O'Hara, Fred Dulwich, Eloy de Lera Acedo +4

astro-ph.CO2023

Use of Time Dependent Data in Bayesian Global 21cm Foreground and Signal Modelling

Dominic Anstey, Eloy de Lera Acedo, Will Handley

astro-ph.CO2025

Rapid and Late Cosmic Reionization Driven by Massive Galaxies: a Joint Analysis of Constraints from 21-cm, Lyman Line & CMB Data Sets

Peter H. Sims, Harry T. J. Bevins, Anastasia Fialkov +6

astro-ph.CO2026

Direct Primary Beam Correction: Untangling Mutual Coupling in 21-cm Cosmological Experiments with the SKA-Low Radio Telescope

Oscar S. D. O'Hara, Quentin Gueuning, Eloy de Lera Acedo +7

The paper presents Direct Primary Beam Correction, a method that uses regularized inversion of stacked Jones matrices to reconstruct and correct the far‑field beam pattern of SKA‑L…

#mutual coupling#primary beam correction#21-cm cosmology#ska-low
astro-ph.IM2023

FlexKnot as a Generalised Model of the Sky-averaged 21-cm Signal at z ~ 6-30 in the Presence of Systematics

Emma Shen, Dominic Anstey, Eloy de Lera Acedo +1

astro-ph.CO2024

Bayesian data analysis for sky-averaged 21-cm experiments with contamination from linearly polarised foreground

Emma Shen, Dominic Anstey, Marta Spinelli +2

astro-ph.IM2021

A General Bayesian Framework for Foreground Modelling and Chromaticity Correction for Global 21cm Experiments

Dominic Anstey, Eloy de Lera Acedo, Will Handley

astro-ph.CO2023

A General Bayesian Framework to Account for Foreground Map Errors in Global 21-cm Experiments

Michael Pagano, Peter Sims, Adrian Liu +3

astro-ph.CO2025

Uncovering the Effects of Array Mutual Coupling in 21-cm Experiments with the SKA-Low Radio Telescope

Oscar S. D. O'Hara, Quentin Gueuning, Eloy de Lera Acedo +8

astro-ph.IM2026

Circuit Modeling for In Situ 21 cm Radiometer Calibration

Gary Vincent Charles Allen, Saurabh Pegwal, Dirk de Villiers +42

astro-ph.IM2021

Informing antenna design for sky-averaged 21-cm experiments using a simulated Bayesian data analysis pipeline

Dominic Anstey, John Cumner, Eloy de Lera Acedo +1

astro-ph.CO2024

Impact of extragalactic point sources on the low-frequency sky spectrum and cosmic dawn global 21-cm measurements

Shikhar Mittal, Girish Kulkarni, Dominic Anstey +1

astro-ph.CO2026

Impact of numerical stability in Bayesian noise wave calibration on global 21-cm experiments

Saswata Dasgupta, Adarsh Kumar Dash, Dominic Anstey +3

The paper identifies and mitigates a numerical instability in the Bayesian noise‑wave calibration used for global 21‑cm experiments, improving reproducibility and accuracy of recei…

#global 21-cm signal#noise wave calibration#numerical stability#bayesian inference
astro-ph.CO2026

Synchrotron and free-free mapping with simulated REACH observations between 50-170 MHz

Daniel Robins, Dominic Anstey, Harry Bevins +2

astro-ph.IM2020

Quantifying Ionospheric Effects on Global 21-cm Observations

Emma Shen, Dominic Anstey, Eloy de Lera Acedo +2

astro-ph.IM2026

Observations of the Cosmic Dawn and Epoch of Reionization with the SKAO: Observational Lessons Learned from Precursors and Pathfinder Instruments

Eloy de Lera Acedo, James Aguirre, Dominic Anstey +34

astro-ph.IM2026

Optimisation of calibration sources for global 21-cm experiments: the REACH case

Adarsh Kumar Dash, Dominic Anstey, Harry T. J. Bevins +41

astro-ph.IM2023

Enhanced Bayesian RFI Mitigation and Transient Flagging Using Likelihood Reweighting

Dominic Anstey, Samuel A. K. Leeney

astro-ph.IM2022

Bayesian Data Analysis for Sky-averaged 21-cm Experiments in the Presence of Ionospheric Effects

Emma Shen, Dominic Anstey, Eloy de Lera Acedo +1