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The EoR sensitivity of the Murchison Widefield Array

Author(s)
Cappallo, Roger J.; Corey, Brian E.; Goeke, Robert F.; Hewitt, Jacqueline N.; Kincaid, Barton B.; Kratzenberg, Eric W.; Lonsdale, Colin John; McWhirter, Stephen R.; Morgan, Edward H.; Oberoi, Divya; Remillard, Ronald Alan; Rogers, Alan E. E.; Salah, J. E.; Whitney, Alan R.; Williams, Christopher Leigh; ... Show more Show less
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Abstract
Using the final 128 antenna locations of the Murchison Widefield Array (MWA), we calculate its sensitivity to the epoch of reionization (EoR) power spectrum of redshifted 21 cm emission for a fiducial model and provide the tools to calculate the sensitivity for any model. Our calculation takes into account synthesis rotation, chromatic and asymmetrical baseline effects, and excludes modes that will be contaminated by foreground subtraction. For the fiducial model, the MWA will be capable of a 14σ detection of the EoR signal with one full season of observation on two fields (900 and 700 h).
Date issued
2012-11
URI
http://hdl.handle.net/1721.1/88452
Department
Haystack Observatory; MIT Kavli Institute for Astrophysics and Space Research
Journal
Monthly Notices of the Royal Astronomical Society: Letters
Publisher
Oxford University Press
Citation
Beardsley, A. P., B. J. Hazelton, M. F. Morales, W. Arcus, D. Barnes, G. Bernardi, J. D. Bowman, et al. “The EoR Sensitivity of the Murchison Widefield Array.” Monthly Notices of the Royal Astronomical Society: Letters 429, no. 1 (February 11, 2013): L5–L9.
Version: Author's final manuscript
ISSN
1745-3925
1745-3933

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