Field deployment of prototype antenna tiles for the mileura widefield array low frequency demonstrator

Judd D. Bowman; David G. Barnes; Frank H. Briggs; Brian E. Corey; Merv J. Lynch; N. D.Ramesh Bhat; Roger J. Cappallo; Sheperd S. Doeleman; Brian J. Fanous; David Herne; Jacqueline N. Hewitt; Chris Johnston; Justin C. Kasper; Jonathon Kocz; Eric Kratzenberg; Colin J. Lonsdale; Miguel F. Morales; Divya Oberoi; Joseph E. Salah; Bruce Stansby; Jamie Stevens; Glen Torr; Randall Wayth; Rachel L. Webster; J. Stuart B. Wyithe

doi:10.1086/511068

Field deployment of prototype antenna tiles for the mileura widefield array low frequency demonstrator

Judd D. Bowman^*, David G. Barnes, Frank H. Briggs, Brian E. Corey, Merv J. Lynch, N. D.Ramesh Bhat, Roger J. Cappallo, Sheperd S. Doeleman, Brian J. Fanous, David Herne, Jacqueline N. Hewitt, Chris Johnston, Justin C. Kasper, Jonathon Kocz, Eric Kratzenberg, Colin J. Lonsdale, Miguel F. Morales, Divya Oberoi, Joseph E. Salah, Bruce StansbyJamie Stevens, Glen Torr, Randall Wayth, Rachel L. Webster, J. Stuart B. Wyithe

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

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Abstract

Experiments were performed with prototype antenna tiles for the Mileura Widefield Array Low Frequency Demonstrator (MWA LFD) to better understand the wide-field, wide-band properties of their design and to characterize the radio-frequency interference (RFI) between 80 and 300 MHz at the site in Western Australia. Observations acquired during the 6 month deployment confirmed the predicted sensitivity of the antennas, sky-noise-dominated system temperatures, and phase-coherent interferometric measurements. The radio spectrum is remarkably free of strong terrestrial signals, with the exception of two narrow frequency bands allocated to satellite downlinks, and rare bursts due to ground-based transmissions being scattered from aircraft and meteor trails. Results indicate the potential of the MWA LFD to make significant achievements in its three key science objectives: epoch of reionization science, heliospheric science, and radio transient detection.

Original language	English
Pages (from-to)	1505-1518
Number of pages	14
Journal	Astronomical Journal
Volume	133
Issue number	4
DOIs	https://doi.org/10.1086/511068
Publication status	Published - Apr 2007

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Bowman, J. D., Barnes, D. G., Briggs, F. H., Corey, B. E., Lynch, M. J., Bhat, N. D. R., Cappallo, R. J., Doeleman, S. S., Fanous, B. J., Herne, D., Hewitt, J. N., Johnston, C., Kasper, J. C., Kocz, J., Kratzenberg, E., Lonsdale, C. J., Morales, M. F., Oberoi, D., Salah, J. E., ... Wyithe, J. S. B. (2007). Field deployment of prototype antenna tiles for the mileura widefield array low frequency demonstrator. Astronomical Journal, 133(4), 1505-1518. https://doi.org/10.1086/511068

@article{253fb3607d0545c5ad45120396ccad37,

title = "Field deployment of prototype antenna tiles for the mileura widefield array low frequency demonstrator",

abstract = "Experiments were performed with prototype antenna tiles for the Mileura Widefield Array Low Frequency Demonstrator (MWA LFD) to better understand the wide-field, wide-band properties of their design and to characterize the radio-frequency interference (RFI) between 80 and 300 MHz at the site in Western Australia. Observations acquired during the 6 month deployment confirmed the predicted sensitivity of the antennas, sky-noise-dominated system temperatures, and phase-coherent interferometric measurements. The radio spectrum is remarkably free of strong terrestrial signals, with the exception of two narrow frequency bands allocated to satellite downlinks, and rare bursts due to ground-based transmissions being scattered from aircraft and meteor trails. Results indicate the potential of the MWA LFD to make significant achievements in its three key science objectives: epoch of reionization science, heliospheric science, and radio transient detection.",

keywords = "Instrumentation: interferometers, Radio continuum: general, Site testing, Telescopes",

author = "Bowman, {Judd D.} and Barnes, {David G.} and Briggs, {Frank H.} and Corey, {Brian E.} and Lynch, {Merv J.} and Bhat, {N. D.Ramesh} and Cappallo, {Roger J.} and Doeleman, {Sheperd S.} and Fanous, {Brian J.} and David Herne and Hewitt, {Jacqueline N.} and Chris Johnston and Kasper, {Justin C.} and Jonathon Kocz and Eric Kratzenberg and Lonsdale, {Colin J.} and Morales, {Miguel F.} and Divya Oberoi and Salah, {Joseph E.} and Bruce Stansby and Jamie Stevens and Glen Torr and Randall Wayth and Webster, {Rachel L.} and Wyithe, {J. Stuart B.}",

year = "2007",

month = apr,

doi = "10.1086/511068",

language = "English",

volume = "133",

pages = "1505--1518",

journal = "Astronomical Journal",

issn = "0004-6256",

publisher = "American Astronomical Society",

number = "4",

}

Bowman, JD, Barnes, DG, Briggs, FH, Corey, BE, Lynch, MJ, Bhat, NDR, Cappallo, RJ, Doeleman, SS, Fanous, BJ, Herne, D, Hewitt, JN, Johnston, C, Kasper, JC, Kocz, J, Kratzenberg, E, Lonsdale, CJ, Morales, MF, Oberoi, D, Salah, JE, Stansby, B, Stevens, J, Torr, G, Wayth, R, Webster, RL & Wyithe, JSB 2007, 'Field deployment of prototype antenna tiles for the mileura widefield array low frequency demonstrator', Astronomical Journal, vol. 133, no. 4, pp. 1505-1518. https://doi.org/10.1086/511068

TY - JOUR

T1 - Field deployment of prototype antenna tiles for the mileura widefield array low frequency demonstrator

AU - Bowman, Judd D.

AU - Barnes, David G.

AU - Briggs, Frank H.

AU - Corey, Brian E.

AU - Lynch, Merv J.

AU - Bhat, N. D.Ramesh

AU - Cappallo, Roger J.

AU - Doeleman, Sheperd S.

AU - Fanous, Brian J.

AU - Herne, David

AU - Hewitt, Jacqueline N.

AU - Johnston, Chris

AU - Kasper, Justin C.

AU - Kocz, Jonathon

AU - Kratzenberg, Eric

AU - Lonsdale, Colin J.

AU - Morales, Miguel F.

AU - Oberoi, Divya

AU - Salah, Joseph E.

AU - Stansby, Bruce

AU - Stevens, Jamie

AU - Torr, Glen

AU - Wayth, Randall

AU - Webster, Rachel L.

AU - Wyithe, J. Stuart B.

PY - 2007/4

Y1 - 2007/4

N2 - Experiments were performed with prototype antenna tiles for the Mileura Widefield Array Low Frequency Demonstrator (MWA LFD) to better understand the wide-field, wide-band properties of their design and to characterize the radio-frequency interference (RFI) between 80 and 300 MHz at the site in Western Australia. Observations acquired during the 6 month deployment confirmed the predicted sensitivity of the antennas, sky-noise-dominated system temperatures, and phase-coherent interferometric measurements. The radio spectrum is remarkably free of strong terrestrial signals, with the exception of two narrow frequency bands allocated to satellite downlinks, and rare bursts due to ground-based transmissions being scattered from aircraft and meteor trails. Results indicate the potential of the MWA LFD to make significant achievements in its three key science objectives: epoch of reionization science, heliospheric science, and radio transient detection.

AB - Experiments were performed with prototype antenna tiles for the Mileura Widefield Array Low Frequency Demonstrator (MWA LFD) to better understand the wide-field, wide-band properties of their design and to characterize the radio-frequency interference (RFI) between 80 and 300 MHz at the site in Western Australia. Observations acquired during the 6 month deployment confirmed the predicted sensitivity of the antennas, sky-noise-dominated system temperatures, and phase-coherent interferometric measurements. The radio spectrum is remarkably free of strong terrestrial signals, with the exception of two narrow frequency bands allocated to satellite downlinks, and rare bursts due to ground-based transmissions being scattered from aircraft and meteor trails. Results indicate the potential of the MWA LFD to make significant achievements in its three key science objectives: epoch of reionization science, heliospheric science, and radio transient detection.

KW - Instrumentation: interferometers

KW - Radio continuum: general

KW - Site testing

KW - Telescopes

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U2 - 10.1086/511068

DO - 10.1086/511068

M3 - Article

SN - 0004-6256

VL - 133

SP - 1505

EP - 1518

JO - Astronomical Journal

JF - Astronomical Journal

IS - 4

ER -

Field deployment of prototype antenna tiles for the mileura widefield array low frequency demonstrator

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