Measuring phased-array antenna beampatterns with high dynamic range for the Murchison Widefield Array using 137 MHz ORBCOMM satellites

Measuring phased-array antenna beampatterns with high dynamic range for the Murchison Widefield Array using 137 MHz ORBCOMM satellites

Detection of the fluctuations in a 21 cm line emission from neutral hydrogen during the Epoch of Reionization in thousand hour integrations poses stringent requirements on calibration and image quality, both of which necessitate accurate primary beam models. The Murchison Widefield Array (MWA) uses...

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Main Authors: Bradley, R. F. (Author), Bernardi, G. (Author), Bowman, J. D. (Author), Briggs, F. (Author), Cappallo, R. J. (Author), Deshpande, A. A. (Author), Greenhill, L. J. (Author), Hazelton, B. J. (Author), Johnston-Hollitt, M. (Author), Kaplan, D. L. (Author), Mitchell, D. A. (Author), Morales, M. F. (Author), Morgan, E. (Author), Oberoi, D. (Author), Ord, S. M. (Author), Prabu, T. (Author), Shankar, N. Udaya (Author), Srivani, K. S. (Author), Subrahmanyan, R. (Author), Tingay, S. J. (Author), Wayth, R. B. (Author), Webster, R. L. (Author), Williams, A. (Author), Neben, Abraham Richard (Contributor), Hewitt, Jacqueline N (Contributor), Goeke, Robert F (Contributor), Lonsdale, Colin John (Contributor), McWhirter, Stephen R. (Contributor), Williams, Christopher Leigh (Contributor)
Other Authors: Haystack Observatory (Contributor), MIT Kavli Institute for Astrophysics and Space Research (Contributor)
Format: Article
Language:English
Published: American Geophysical Union (AGU), 2017-04-21T15:56:59Z.
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