1. The EoR sensitivity of the Murchison Widefield Array
- Author
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J. S. B. Wyithe, Robert F. Goeke, Edward H. Morgan, Mervyn J. Lynch, Steven Tingay, Alan E. E. Rogers, Ravi Subrahmanyan, David Emrich, Brian E. Corey, John D. Bunton, Melanie Johnston-Hollitt, B. B. Kincaid, Judd D. Bowman, Ron Remillard, Miguel F. Morales, A. Roshi, R. Koenig, Christopher L. Williams, Colin J. Lonsdale, Stephen R. McWhirter, Joseph Pathikulangara, David G. Barnes, Randall B. Wayth, David Herne, Daniel A. Mitchell, L. deSouza, Alan R. Whitney, Justin C. Kasper, K. S. Srivani, Rachel L. Webster, Jacqueline N. Hewitt, Mark Waterson, Stephen M. Ord, Roger J. Cappallo, Divya Oberoi, Robert J. Sault, Thiagaraj Prabu, Jamie Stevens, Joseph E. Salah, Andrew Williams, Avinash A. Deshpande, Shankar N. Udaya, Gianni Bernardi, Lincoln J. Greenhill, Eric Kratzenberg, David L. Kaplan, Bryna J. Hazelton, Bryan Gaensler, Adam P. Beardsley, W. Arcus, Frank H. Briggs, Haystack Observatory, MIT Kavli Institute for Astrophysics and Space Research, 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., and Williams, Christopher Leigh
- Subjects
Cosmology and Nongalactic Astrophysics (astro-ph.CO) ,FOS: Physical sciences ,Murchison Widefield Array ,Astrophysics::Cosmology and Extragalactic Astrophysics ,Astrophysics ,01 natural sciences ,Optics ,0103 physical sciences ,Astronomical interferometer ,Sensitivity (control systems) ,Instrumentation and Methods for Astrophysics (astro-ph.IM) ,010303 astronomy & astrophysics ,Reionization ,Physics ,010308 nuclear & particles physics ,business.industry ,Astrophysics::Instrumentation and Methods for Astrophysics ,Spectral density ,Astronomy and Astrophysics ,Redshift ,Space and Planetary Science ,Antenna (radio) ,Astrophysics - Instrumentation and Methods for Astrophysics ,Fiducial marker ,business ,Astrophysics - Cosmology and Nongalactic Astrophysics - 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)., National Science Foundation (U.S.) (Grant AST CAREER-0847753), National Science Foundation (U.S.) (Grant AST-0457585), National Science Foundation (U.S.) (Grant AST-0908884), National Science Foundation (U.S.) (Grant PHY-0835713), United States. Air Force Office of Scientific Research (Grant FA9550-0510247), Smithsonian Astrophysical Observatory, MIT School of Science
- Published
- 2012