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First Season MWA EoR Power Spectrum Results at Redshift 7

Beardsley, A. P.; Hazelton, B; Sullivan, I S; Carroll, P; Barry, N; Rahimi, M.; Pindor, B.; Trott, C. M.; Line, J; Jacobs, Daniel C.; Morales, Miguel F; Pober, J. C.; Bernardi, G; Bowman, J D; Busch, M. P.; Briggs, Franklin; Waterson, Mark


The Murchison Widefield Array (MWA) has collected hundreds of hours of Epoch of Reionization (EoR) data and now faces the challenge of overcoming foreground and systematic contamination to reduce the data to a cosmological measurement. We introduce several novel analysis techniques, such as cable reflection calibration, hyper-resolution gridding kernels, diffuse foreground model subtraction, and quality control methods. Each change to the analysis pipeline is tested against a two-dimensional...[Show more]

CollectionsANU Research Publications
Date published: 2016
Type: Journal article
Source: The Astrophysical Journal
DOI: 10.3847/1538-4357/833/1/102
Access Rights: Open Access


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