Impacts and Statistical Mitigation of Missing Data on the 21 cm Power Spectrum: A Case Study with the Hydrogen Epoch of Reionization Array

Impacts and Statistical Mitigation of Missing Data on the 21 cm Power Spectrum: A Case Study with the Hydrogen Epoch of Reionization Array

The precise characterization and mitigation of systematic effects is one of the biggest roadblocks impeding the detection of the fluctuations of cosmological 21 cm signals. Missing data in radio cosmological experiments, often due to radio frequency interference (RFI), pose a particular challenge to...

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Main Authors: Kai-Feng Chen, Michael J. Wilensky, Adrian Liu, Joshua S. Dillon, Jacqueline N. Hewitt, Tyrone Adams, James E. Aguirre, Rushelle Baartman, Adam P. Beardsley, Lindsay M. Berkhout, Gianni Bernardi, Tashalee S. Billings, Judd D. Bowman, Philip Bull, Jacob Burba, Ruby Byrne, Steven Carey, Samir Choudhuri, Tyler Cox, David. R. DeBoer, Matt Dexter, Nico Eksteen, John Ely, Aaron Ewall-Wice, Steven R. Furlanetto, Kingsley Gale-Sides, Hugh Garsden, Bharat Kumar Gehlot, Adélie Gorce, Deepthi Gorthi, Ziyaad Halday, Bryna J. Hazelton, Jack Hickish, Daniel C. Jacobs, Alec Josaitis, Nicholas S. Kern, Joshua Kerrigan, Piyanat Kittiwisit, Matthew Kolopanis, Paul La Plante, Adam Lanman, Yin-Zhe Ma, David H. E. MacMahon, Lourence Malan, Cresshim Malgas, Keith Malgas, Bradley Marero, Zachary E. Martinot, Lisa McBride, Andrei Mesinger, Nicel Mohamed-Hinds, Mathakane Molewa, Miguel F. Morales, Steven G. Murray, Hans Nuwegeld, Aaron R. Parsons, Robert Pascua, Yuxiang Qin, Eleanor Rath, Nima Razavi-Ghods, James Robnett, Mario G. Santos, Peter Sims, Saurabh Singh, Dara Storer, Hilton Swarts, Jianrong Tan, Pieter van Wyngaarden, Haoxuan Zheng
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:The Astrophysical Journal
Subjects:
Observational cosmology
Radio interferometry
H I line emission
Online Access:https://doi.org/10.3847/1538-4357/ad9b91
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https://doi.org/10.3847/1538-4357/ad9b91

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