Realisation of a low frequency SKA Precursor

The Murchison Widefield Array

S. J. Tingay, R. Goeke, J. N. Hewitt, E. Morgan, R. A. Remillard, C. L. Williams, D. Emrich, S. M. Ord, T. Booler, B. Crosse, D. Pallot, W. Arcus, T. Colegate, P. J. Hall, D. Herne, M. J. Lynch, F. Schlagenhaufer, S. Tremblay, R. B. Wayth, M. Waterson & 39 others Judd Bowman, D. A. Mitchell, R. J. Sault, R. L. Webster, J. S.B. Wyithe, M. F. Morales, B. J. Hazelton, A. Wicenec, A. Williams, D. Barnes, G. Bernardi, L. J. Greenhill, J. C. Kasper, F. Briggs, B. McKinley, J. D. Bunton, L. De Souza, R. Koenig, J. Pathikulangara, J. Stevens, R. J. Cappallo, B. E. Corey, B. B. Kincaid, E. Kratzenberg, C. J. Lonsdale, S. R. McWhirter, A. E.E. Rogers, J. E. Salah, A. R. Whitney, A. Deshpande, T. Prabu, A. Roshi, N. Udaya-Shankar, K. S. Srivani, R. Subrahmanyan, B. M. Gaensler, M. Johnston-Hollitt, D. L. Kaplan, D. Oberoi

Research output: Contribution to journalConference article

1 Citation (Scopus)

Abstract

The Murchison Widefield Array is a low frequency (80-300 MHz) SKA Precursor, comprising 128 aperture array elements distributed over an area of 3 km diameter. The MWA is located at the extraordinarily radio quiet Murchison Radioastronomy Observatory in the mid-west of Western Australia, the selected home for the Phase 1 and Phase 2 SKA low frequency arrays. The MWA science goals include: 1) detection of fluctuations in the brightness temperature of the diffuse redshifted 21 cm line of neutral hydrogen from the epoch of reionisation; 2) studies of Galactic and extragalactic processes based on deep, confusion-limited surveys of the full sky visible to the array; 3) time domain astrophysics through exploration of the variable radio sky; and 4) solar imaging and characterisation of the heliosphere and ionosphere via propagation effects on background radio source emission. This paper will focus on a brief discussion of the as-built MWA system, highlighting several novel characteristics of the instrument, and a brief progress report (as of June 2012) on the final construction phase. Practical completion of the MWA is expected in November 2012, with commissioning commencing from approximately August 2012 and operations commencing near mid 2013. A brief description of recent science results from the MWA prototype instrument is given.

Original languageEnglish (US)
JournalProceedings of Science
Volume2012-April
StatePublished - Jan 1 2012
Externally publishedYes
Event2012 Resolving The Sky - Radio Interferometry: Past, Present and Future, RTS 2012 - Manchester, United Kingdom
Duration: Apr 17 2012Apr 20 2012

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low frequencies
sky
heliosphere
confusion
brightness temperature
ionospheres
observatories
astrophysics
apertures
prototypes
time measurement
propagation
hydrogen

ASJC Scopus subject areas

  • General

Cite this

Tingay, S. J., Goeke, R., Hewitt, J. N., Morgan, E., Remillard, R. A., Williams, C. L., ... Oberoi, D. (2012). Realisation of a low frequency SKA Precursor: The Murchison Widefield Array. Proceedings of Science, 2012-April.

Realisation of a low frequency SKA Precursor : The Murchison Widefield Array. / Tingay, S. J.; Goeke, R.; Hewitt, J. N.; Morgan, E.; Remillard, R. A.; Williams, C. L.; Emrich, D.; Ord, S. M.; Booler, T.; Crosse, B.; Pallot, D.; Arcus, W.; Colegate, T.; Hall, P. J.; Herne, D.; Lynch, M. J.; Schlagenhaufer, F.; Tremblay, S.; Wayth, R. B.; Waterson, M.; Bowman, Judd; Mitchell, D. A.; Sault, R. J.; Webster, R. L.; Wyithe, J. S.B.; Morales, M. F.; Hazelton, B. J.; Wicenec, A.; Williams, A.; Barnes, D.; Bernardi, G.; Greenhill, L. J.; Kasper, J. C.; Briggs, F.; McKinley, B.; Bunton, J. D.; De Souza, L.; Koenig, R.; Pathikulangara, J.; Stevens, J.; Cappallo, R. J.; Corey, B. E.; Kincaid, B. B.; Kratzenberg, E.; Lonsdale, C. J.; McWhirter, S. R.; Rogers, A. E.E.; Salah, J. E.; Whitney, A. R.; Deshpande, A.; Prabu, T.; Roshi, A.; Udaya-Shankar, N.; Srivani, K. S.; Subrahmanyan, R.; Gaensler, B. M.; Johnston-Hollitt, M.; Kaplan, D. L.; Oberoi, D.

In: Proceedings of Science, Vol. 2012-April, 01.01.2012.

Research output: Contribution to journalConference article

Tingay, SJ, Goeke, R, Hewitt, JN, Morgan, E, Remillard, RA, Williams, CL, Emrich, D, Ord, SM, Booler, T, Crosse, B, Pallot, D, Arcus, W, Colegate, T, Hall, PJ, Herne, D, Lynch, MJ, Schlagenhaufer, F, Tremblay, S, Wayth, RB, Waterson, M, Bowman, J, Mitchell, DA, Sault, RJ, Webster, RL, Wyithe, JSB, Morales, MF, Hazelton, BJ, Wicenec, A, Williams, A, Barnes, D, Bernardi, G, Greenhill, LJ, Kasper, JC, Briggs, F, McKinley, B, Bunton, JD, De Souza, L, Koenig, R, Pathikulangara, J, Stevens, J, Cappallo, RJ, Corey, BE, Kincaid, BB, Kratzenberg, E, Lonsdale, CJ, McWhirter, SR, Rogers, AEE, Salah, JE, Whitney, AR, Deshpande, A, Prabu, T, Roshi, A, Udaya-Shankar, N, Srivani, KS, Subrahmanyan, R, Gaensler, BM, Johnston-Hollitt, M, Kaplan, DL & Oberoi, D 2012, 'Realisation of a low frequency SKA Precursor: The Murchison Widefield Array', Proceedings of Science, vol. 2012-April.
Tingay SJ, Goeke R, Hewitt JN, Morgan E, Remillard RA, Williams CL et al. Realisation of a low frequency SKA Precursor: The Murchison Widefield Array. Proceedings of Science. 2012 Jan 1;2012-April.
Tingay, S. J. ; Goeke, R. ; Hewitt, J. N. ; Morgan, E. ; Remillard, R. A. ; Williams, C. L. ; Emrich, D. ; Ord, S. M. ; Booler, T. ; Crosse, B. ; Pallot, D. ; Arcus, W. ; Colegate, T. ; Hall, P. J. ; Herne, D. ; Lynch, M. J. ; Schlagenhaufer, F. ; Tremblay, S. ; Wayth, R. B. ; Waterson, M. ; Bowman, Judd ; Mitchell, D. A. ; Sault, R. J. ; Webster, R. L. ; Wyithe, J. S.B. ; Morales, M. F. ; Hazelton, B. J. ; Wicenec, A. ; Williams, A. ; Barnes, D. ; Bernardi, G. ; Greenhill, L. J. ; Kasper, J. C. ; Briggs, F. ; McKinley, B. ; Bunton, J. D. ; De Souza, L. ; Koenig, R. ; Pathikulangara, J. ; Stevens, J. ; Cappallo, R. J. ; Corey, B. E. ; Kincaid, B. B. ; Kratzenberg, E. ; Lonsdale, C. J. ; McWhirter, S. R. ; Rogers, A. E.E. ; Salah, J. E. ; Whitney, A. R. ; Deshpande, A. ; Prabu, T. ; Roshi, A. ; Udaya-Shankar, N. ; Srivani, K. S. ; Subrahmanyan, R. ; Gaensler, B. M. ; Johnston-Hollitt, M. ; Kaplan, D. L. ; Oberoi, D. / Realisation of a low frequency SKA Precursor : The Murchison Widefield Array. In: Proceedings of Science. 2012 ; Vol. 2012-April.
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abstract = "The Murchison Widefield Array is a low frequency (80-300 MHz) SKA Precursor, comprising 128 aperture array elements distributed over an area of 3 km diameter. The MWA is located at the extraordinarily radio quiet Murchison Radioastronomy Observatory in the mid-west of Western Australia, the selected home for the Phase 1 and Phase 2 SKA low frequency arrays. The MWA science goals include: 1) detection of fluctuations in the brightness temperature of the diffuse redshifted 21 cm line of neutral hydrogen from the epoch of reionisation; 2) studies of Galactic and extragalactic processes based on deep, confusion-limited surveys of the full sky visible to the array; 3) time domain astrophysics through exploration of the variable radio sky; and 4) solar imaging and characterisation of the heliosphere and ionosphere via propagation effects on background radio source emission. This paper will focus on a brief discussion of the as-built MWA system, highlighting several novel characteristics of the instrument, and a brief progress report (as of June 2012) on the final construction phase. Practical completion of the MWA is expected in November 2012, with commissioning commencing from approximately August 2012 and operations commencing near mid 2013. A brief description of recent science results from the MWA prototype instrument is given.",
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TY - JOUR

T1 - Realisation of a low frequency SKA Precursor

T2 - The Murchison Widefield Array

AU - Tingay, S. J.

AU - Goeke, R.

AU - Hewitt, J. N.

AU - Morgan, E.

AU - Remillard, R. A.

AU - Williams, C. L.

AU - Emrich, D.

AU - Ord, S. M.

AU - Booler, T.

AU - Crosse, B.

AU - Pallot, D.

AU - Arcus, W.

AU - Colegate, T.

AU - Hall, P. J.

AU - Herne, D.

AU - Lynch, M. J.

AU - Schlagenhaufer, F.

AU - Tremblay, S.

AU - Wayth, R. B.

AU - Waterson, M.

AU - Bowman, Judd

AU - Mitchell, D. A.

AU - Sault, R. J.

AU - Webster, R. L.

AU - Wyithe, J. S.B.

AU - Morales, M. F.

AU - Hazelton, B. J.

AU - Wicenec, A.

AU - Williams, A.

AU - Barnes, D.

AU - Bernardi, G.

AU - Greenhill, L. J.

AU - Kasper, J. C.

AU - Briggs, F.

AU - McKinley, B.

AU - Bunton, J. D.

AU - De Souza, L.

AU - Koenig, R.

AU - Pathikulangara, J.

AU - Stevens, J.

AU - Cappallo, R. J.

AU - Corey, B. E.

AU - Kincaid, B. B.

AU - Kratzenberg, E.

AU - Lonsdale, C. J.

AU - McWhirter, S. R.

AU - Rogers, A. E.E.

AU - Salah, J. E.

AU - Whitney, A. R.

AU - Deshpande, A.

AU - Prabu, T.

AU - Roshi, A.

AU - Udaya-Shankar, N.

AU - Srivani, K. S.

AU - Subrahmanyan, R.

AU - Gaensler, B. M.

AU - Johnston-Hollitt, M.

AU - Kaplan, D. L.

AU - Oberoi, D.

PY - 2012/1/1

Y1 - 2012/1/1

N2 - The Murchison Widefield Array is a low frequency (80-300 MHz) SKA Precursor, comprising 128 aperture array elements distributed over an area of 3 km diameter. The MWA is located at the extraordinarily radio quiet Murchison Radioastronomy Observatory in the mid-west of Western Australia, the selected home for the Phase 1 and Phase 2 SKA low frequency arrays. The MWA science goals include: 1) detection of fluctuations in the brightness temperature of the diffuse redshifted 21 cm line of neutral hydrogen from the epoch of reionisation; 2) studies of Galactic and extragalactic processes based on deep, confusion-limited surveys of the full sky visible to the array; 3) time domain astrophysics through exploration of the variable radio sky; and 4) solar imaging and characterisation of the heliosphere and ionosphere via propagation effects on background radio source emission. This paper will focus on a brief discussion of the as-built MWA system, highlighting several novel characteristics of the instrument, and a brief progress report (as of June 2012) on the final construction phase. Practical completion of the MWA is expected in November 2012, with commissioning commencing from approximately August 2012 and operations commencing near mid 2013. A brief description of recent science results from the MWA prototype instrument is given.

AB - The Murchison Widefield Array is a low frequency (80-300 MHz) SKA Precursor, comprising 128 aperture array elements distributed over an area of 3 km diameter. The MWA is located at the extraordinarily radio quiet Murchison Radioastronomy Observatory in the mid-west of Western Australia, the selected home for the Phase 1 and Phase 2 SKA low frequency arrays. The MWA science goals include: 1) detection of fluctuations in the brightness temperature of the diffuse redshifted 21 cm line of neutral hydrogen from the epoch of reionisation; 2) studies of Galactic and extragalactic processes based on deep, confusion-limited surveys of the full sky visible to the array; 3) time domain astrophysics through exploration of the variable radio sky; and 4) solar imaging and characterisation of the heliosphere and ionosphere via propagation effects on background radio source emission. This paper will focus on a brief discussion of the as-built MWA system, highlighting several novel characteristics of the instrument, and a brief progress report (as of June 2012) on the final construction phase. Practical completion of the MWA is expected in November 2012, with commissioning commencing from approximately August 2012 and operations commencing near mid 2013. A brief description of recent science results from the MWA prototype instrument is given.

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M3 - Conference article

VL - 2012-April

JO - Proceedings of Science

JF - Proceedings of Science

SN - 1824-8039

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