Author

Michael J. Wilensky

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Preprint Sep 2026

Improved Modeling for Moving Sources of Radio Frequency Interference and Impact on Flagging Strategies

Radio frequency interference (RFI) is a major challenge for low-frequency radio experiments targeting the redshifted 21-cm signal from the Epoch of Reionization. Many important RFI sources, including aircraft and satellites, move across the sky during an observation. The averaging of visibilities for such moving source...

J. Ducharme, J. Pober, Michael J. Wilensky · 0 citations

Preprint Sep 2026

Inferring radio beams from sparse sampling patterns: a case study with the Murchison Widefield Array

Accurate primary-beam models are essential for high-dynamic-range radio experiments, particularly searches for the redshifted 21-cm signal from the Epoch of Reionisation, where beam errors can couple bright foreground emission into the faint cosmological measurement. Using reprocessed satellite observations we infer th...

Michael J. Wilensky, Aman Chokshi · 0 citations