Related papers: First Look Murchison Widefield Array observations …

The first Murchison Widefield Array low frequency radio observations of cluster scale non-thermal emission: the case of Abell 3667

We present the first Murchison Widefield Array observations of the well-known cluster of galaxies Abell 3667 (A3667) between 105 and 241 MHz. A3667 is one of the best known examples of a galaxy cluster hosting a double radio relic and has…

Astrophysics of Galaxies · Physics 2015-06-22 L. Hindson , M. Johnston-Hollitt , N. Hurley-Walker , K. Buckley , J. Morgan , E. Carretti , K. S. Dwarakanath , M. Bell , G. Bernardi , N. D. R. Bhat , J. D. Bowman , F. Briggs , R. J. Cappallo , B. E. Corey , A. A. Deshpande , D. Emrich , A. Ewall-Wice , L. Feng , B. M. Gaensler , R. Goeke , L. J. Greenhill , B. J. Hazelton , D. Jacobs , D. L. Kaplan , J. C. Kasper , E. Kratzenberg , N. Kudryavtseva , E. Lenc , C. J. Lonsdale , M. J. Lynch , S. R. McWhirter , B. McKinley , D. A. Mitchell , M. F. Morales , E. Morgan , D. Oberoi , S. M. Ord , B. Pindor , T. Prabu , P. Procopio , A. R. Offringa , J. Riding , A. E. E. Rogers , A. Roshi , N. Udaya Shankar , K. S. Srivani , R. Subrahmanyan , S. J. Tingay , M. Waterson , R. B. Wayth , R. L. Webster , A. R. Whitney , A. Williams , C. L. Williams

The Murchison Widefield Array: the Square Kilometre Array Precursor at low radio frequencies

The Murchison Widefield Array (MWA) is one of three Square Kilometre Array Precursor telescopes and is located at the Murchison Radio-astronomy Observatory in the Murchison Shire of the mid-west of Western Australia, a location chosen for…

Instrumentation and Methods for Astrophysics · Physics 2015-06-05 S. J. Tingay , R. Goeke , J. D. Bowman , D. Emrich , S. M. Ord , D. A. Mitchell , M. F. Morales , T. Booler , B. Crosse , D. Pallot , A. Wicenec , W. Arcus , D. Barnes , G. Bernardi , F. Briggs , S. Burns , J. D. Bunton , R. J. Cappallo , T. Colegate , B. E. Corey , A. Deshpande , L. deSouza , B. M. Gaensler , L. J. Greenhill , J. Hall , B. J. Hazelton , D. Herne , J. N. Hewitt , M. Johnston-Hollitt , D. L. Kaplan , J. C. Kasper , B. B. Kincaid , R. Koenig , E. Kratzenberg , C. J. Lonsdale , M. J. Lynch , B. McKinley , S. R. McWhirter , E. Morgan , D. Oberoi , J. Pathikulangara , T. Prabu , R. A. Remillard , A. E. E. Rogers , A. Roshi , J. E. Salah , R. J. Sault , N. Udaya-Shankar , F. Schlagenhaufer , K. S. Srivani , J. Stevens , R. Subrahmanyan , S. Tremblay , R. B. Wayth , M. Waterson , R. L. Webster , A. R. Whitney , A. Williams , C. L. Williams , J. S. B. Wyithe

Low Frequency Imaging of Fields at High Galactic Latitude with the Murchison Widefield Array 32-Element Prototype

The Murchison Widefield Array (MWA) is a new low-frequency, wide field-of-view radio interferometer under development at the Murchison Radio-astronomy Observatory (MRO) in Western Australia. We have used a 32-element MWA prototype…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-04 Christopher L. Williams , Jacqueline N. Hewitt , Alan M. Levine , Angelica de Oliveira-Costa , Judd D. Bowman , Frank H. Briggs , B. M. Gaensler , Lars L. Hernquist , Daniel A. Mitchell , Miguel F. Morales , Shiv K. Sethi , Ravi Subrahmanyan , Elaine M. Sadler , Wayne Arcus , David G. Barnes , Gianni Bernardi , John D. Bunton , Roger C. Cappallo , Brian W. Crosse , Brian E. Corey , Avinash Deshpande , Ludi deSouza , David Emrich , Robert F. Goeke , Lincoln J. Greenhill , Bryna J. Hazelton , David Herne , David L. Kaplan , Justin C. Kasper , Barton B. Kincaid , Ronald Koenig , Eric Kratzenberg , Colin J. Lonsdale , Mervyn J. Lynch , S. Russell McWhirter , %Daniel A. Mitchell , %Miguel F. Morales , Edward H. Morgan , Divya Oberoi , Stephen M. Ord , Joseph Pathikulangara , Thiagaraj Prabu , Ronald A. Remillard , Alan E. E. Rogers , Anish A. Roshi , Joseph E. Salah , Robert J. Sault , N. Udaya Shankar , K. S. Srivani , Jamie B. Stevens , Steven J. Tingay , Randall B. Wayth , Mark Waterson , Rachel L. Webster , Alan R. Whitney , Andrew J. Williams , J. Stuart B. Wyithe

Murchison Widefield Array detection of steep-spectrum, diffuse, non-thermal radio emission within Abell 1127

Diffuse, non-thermal emission in galaxy clusters is increasingly being detected in low-frequency radio surveys and images. We present a new diffuse, steep-spectrum, non-thermal radio source within the cluster Abell 1127 found in survey data…

Astrophysics of Galaxies · Physics 2020-07-31 Stefan W. Duchesne , Melanie Johnston-Hollitt , Zhenghao Zhu , Randall B. Wayth , Jack L. B. Line

The low-frequency environment of the Murchison Widefield Array: radio-frequency interference analysis and mitigation

The Murchison Widefield Array (MWA) is a new low-frequency interferometric radio telescope built in Western Australia at one of the locations of the future Square Kilometre Array (SKA). We describe the automated radio-frequency interference…

Instrumentation and Methods for Astrophysics · Physics 2015-03-12 A. R. Offringa , R. B. Wayth , N. Hurley-Walker , D. L. Kaplan , N. Barry , A. P. Beardsley , M. E. Bell , G. Bernardi , J. D. Bowman , F. Briggs , J. R. Callingham , R. J. Cappallo , P. Carroll , A. A. Deshpande , J. S. Dillon , K. S. Dwarakanath , A. Ewall-Wice , L. Feng , B. -Q. For , B. M. Gaensler , L. J. Greenhill , P. Hancock , B. J. Hazelton , J. N. Hewitt , L. Hindson , D. C. Jacobs , M. Johnston-Hollitt , A. D. Kapińska , H. -S. Kim , P. Kittiwisit , E. Lenc , J. Line , A. Loeb , C. J. Lonsdale , B. McKinley , S. R. McWhirter , D. A. Mitchell , M. F. Morales , E. Morgan , J. Morgan , A. R. Neben , D. Oberoi , S. M. Ord , S. Paul , B. Pindor , J. C. Pober , T. Prabu , P. Procopio , J. Riding , N. Udaya Shankar , S. Sethi , K. S. Srivani , L. Staveley-Smith , R. Subrahmanyan , I. S. Sullivan , M. Tegmark , N. Thyagarajan , S. J. Tingay , C. M. Trott , R. L. Webster , A. Williams , C. L. Williams , C. Wu , J. S. Wyithe , Q. Zheng

The Murchison Widefield Array: Design Overview

The Murchison Widefield Array (MWA) is a dipole-based aperture array synthesis telescope designed to operate in the 80-300 MHz frequency range. It is capable of a wide range of science investigations, but is initially focused on three key…

Instrumentation and Methods for Astrophysics · Physics 2015-05-13 Colin J. Lonsdale , Roger J. Cappallo , Miguel F. Morales , Frank H. Briggs , Leonid Benkevitch , Judd D. Bowman , John D. Bunton , Steven Burns , Brian E. Corey , Ludi deSouza , Sheperd S. Doeleman , Mark Derome , Avinash Deshpande , M. R. Gopalakrishna , Lincoln J. Greenhill , David Herne , Jacqueline N. Hewitt , P. A. Kamini , Justin C. Kasper , Barton B. Kincaid , Jonathan Kocz , Errol Kowald , Eric Kratzenberg , Deepak Kumar , Mervyn J. Lynch , S. Madhavi , Michael Matejek , Daniel Mitchell , Edward Morgan , Divya Oberoi , Steven Ord , Joseph Pathikulangara , T. Prabu , Alan E. E. Rogers , Anish Roshi , Joseph E. Salah , Robert J. Sault , N. Udaya Shankar , K. S. Srivani , Jamie Stevens , Steven Tingay , Annino Vaccarella , Mark Waterson , Randall B. Wayth , Rachel L. Webster , Alan R. Whitney , Andrew Williams , Christopher Williams

Interferometric imaging with the 32 element Murchison Wide-field Array

The Murchison Wide-field Array (MWA) is a low frequency radio telescope, currently under construction, intended to search for the spectral signature of the epoch of re-ionisation (EOR) and to probe the structure of the solar corona. Sited…

Instrumentation and Methods for Astrophysics · Physics 2015-05-20 S. M. Ord , D. A. Mitchell , R. B. Wayth , L. J. Greenhill , G. Bernardi , S. Gleadow , R. G. Edgar , M. A. Clark , G. Allen , W. Arcus , L. Benkevitch , J. D. Bowman , F. H. Briggs , J. D. Bunton , S. Burns , R. J. Cappallo , W. A. Coles , B. E. Corey , L. deSouza , S. S. Doeleman , M. Derome , A. Deshpande , D. Emrich , R. Goeke , M. R. Gopalakrishna , D. Herne , J. N. Hewitt , P. A. Kamini , D. L. Kaplan , J. C. Kasper , B. B. Kincaid , J. Kocz , E. Kowald , E. Kratzenberg , D. Kumar , C. J. Lonsdale , M. J. Lynch , S. R. McWhirter , S. Madhavi , M. Matejek , M. F. Morales , E. Morgan , D. Oberoi , J. Pathikulangara , T. Prabu , A. E. E. Rogers , A. Roshi , J. E. Salah , A. Schinkel , N. Udaya Shankar , K. S. Srivani , J. Stevens , S. J. Tingay , A. Vaccarella , M. Waterson , R. L. Webster , A. R. Whitney , A. Williams , C. Williams

Realisation of a low frequency SKA Precursor: The Murchison Widefield Array

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…

Instrumentation and Methods for Astrophysics · Physics 2012-12-07 S. J. Tingay , R. Goeke , J. N. Hewitt , E. Morgan , R. A Remillard , C. L. Williams , J. D. Bowman , 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 , 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. deSouza , 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

An analysis of the halo and relic radio emission from Abell 3376 from Murchison Widefield Array observations

We have carried out multiwavelength observations of the near-by ($z=0.046$) rich, merging galaxy cluster Abell 3376 with the Murchison Widefield Array (MWA). As a part of the GaLactic and Extragalactic All-sky MWA survey (GLEAM), this…

Astrophysics of Galaxies · Physics 2015-06-02 Lijo T. George , K. S. Dwarakanath , M. Johnston-Hollitt , N. Hurley-Walker , L. Hindson , A. D. Kapińska , S. J. Tingay , M. Bell , J. R. Callingham , Bi-Qing For , P. J. Hancock , E. Lenc , B. McKinley , J. Morgan , A. Offringa , P. Procopio , L. Staveley-Smith , R. B. Wayth , Chen Wu , Q. Zheng , G. Bernardi , J. D. Bowman , F. Briggs , R. J. Cappallo , B. E. Corey , A. A. Deshpande , D. Emrich , R. Goeke , L. J. Greenhill , B. J. Hazelton , D. L. Kaplan , J. C. Kasper , E. Kratzenberg , C. J. Lonsdale , M. J. Lynch , S. R. McWhirter , D. A. Mitchell , M. F. Morales , E. Morgan , D. Oberoi , S. M. Ord , T. Prabu , A. E. E. Rogers , A. Roshi , N. Udaya Shankar , K. S. Srivani , R. Subrahmanyan , M. Waterson , R. L. Webster A. R. Whitney , A. Williams , C. L. Williams

First Spectroscopic Imaging Observations of the Sun at Low Radio Frequencies with the Murchison Widefield Array Prototype

We present the first spectroscopic images of solar radio transients from the prototype for the Murchison Widefield Array (MWA), observed on 2010 March 27. Our observations span the instantaneous frequency band 170.9-201.6 MHz. Though our…

Solar and Stellar Astrophysics · Physics 2015-05-20 Divya Oberoi , Lynn D. Matthews , Iver H. Cairns , David Emrich , Vasili Lobzin , Colin J. Lonsdale , Edward H. Morgan , T. Prabu , Harish Vedantham , Randall B. Wayth , Andrew Williams , Christopher Williams , Stephen M. White , G. Allen , Wayne Arcus , David Barnes , Leonid Benkevitch , Gianni Bernardi , Judd D. Bowman , Frank H. Briggs , John D. Bunton , Steve Burns , Roger C. Cappallo , M. A. Clark , Brian E. Corey , M. Dawson , David DeBoer , A. De Gans , Ludi deSouza , Mark Derome , R. G. Edgar , T. Elton , Robert Goeke , M. R. Gopalakrishna , Lincoln J. Greenhill , Bryna Hazelton , David Herne , Jacqueline N. Hewitt , P. A. Kamini , David L. Kaplan , Justin C. Kasper , Rachel Kennedy , Barton B. Kincaid , Jonathan Kocz , R. Koeing , Errol Kowald , Mervyn J. Lynch , S. Madhavi , Stephen R. McWhirter , Daniel A. Mitchell , Miguel F. Morales , A. Ng , Stephen M. Ord , Joseph Pathikulangara , Alan E. E. Rogers , Anish Roshi , Joseph E. Salah , Robert J. Sault , Antony Schinckel , N. Udaya Shankar , K. S. Srivani , Jamie Stevens , Ravi Subrahmanyan , D. Thakkar , Steven J. Tingay , J. Tuthill , Annino Vaccarella , Mark Waterson , Rachel L. Webster , Alan R. Whitney

The Murchison Widefield Array: solar science with the low frequency SKA Precursor

The Murchison Widefield Array is a low frequency (80 - 300 MHz) SKA Precursor, comprising 128 aperture array elements (known as tiles) distributed over an area of 3 km diameter. The MWA is located at the extraordinarily radio quiet…

Instrumentation and Methods for Astrophysics · Physics 2015-06-12 S. J. Tingay , D. Oberoi , I. Cairns , A. Donea , R. Duffin , W. Arcus , G. Bernardi , J. D. Bowman , F. Briggs , J. D. Bunton , R. J. Cappallo , B. E. Corey , A. Deshpande , L. deSouza , D. Emrich , B. M. Gaensler , R. Goeke , L. J. Greenhill , B. J. Hazelton , D. Herne , J. N. Hewitt , M. Johnston-Hollitt , D. L. Kaplan , J. C. Kasper , J. A. Kennewell , B. B. Kincaid , R. Koenig , E. Kratzenberg , C. J. Lonsdale , M. J. Lynch , S. R. McWhirter , D. A. Mitchell , M. F. Morales , E. Morgan , S. M. Ord , J. Pathikulangara , T. Prabu , R. A Remillard , A. E. E. Rogers , A. Roshi , J. E. Salah , R. J. Sault , N. Udaya-Shankar , K. S. Srivani , J. Stevens , R. Subrahmanyan , M. Waterson , R. B. Wayth , R. L. Webster , A. R. Whitney , A. Williams , C. L. Williams , J. S. B. Wyithe

On the detection and tracking of space debris using the Murchison Widefield Array. I. Simulations and test observations demonstrate feasibility

The Murchison Widefield Array (MWA) is a new low frequency interferomeric radio telescope. The MWA is the low frequency precursor to the Square Kilometre Array (SKA) and is the first of three SKA precursors to be operational, supporting a…

Instrumentation and Methods for Astrophysics · Physics 2015-06-16 S. J. Tingay , D. L. Kaplan , B. McKinley , F. Briggs , R. B. Wayth , N. Hurley-Walker , J. Kennewell , C. Smith , K. Zhang , W. Arcus , R. Bhat , D. Emrich , D. Herne , N. Kudryavtseva , M. Lynch , S. M. Ord , M. Waterson , D. G. Barnes , M. Bell , B. M. Gaensler , E. Lenc , G. Bernardi , L. J. Greenhill , J. C. Kasper , J. D. Bowman , D. Jacobs , J. D. Bunton , L. deSouza , 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 , N. Udaya Shankar , K. S. Srivani , R. Subrahmanyan , A. Ewall-Wice , L. Feng , R. Goeke , E. Morgan , R. A. Remillard , C. L. Williams , B. J. Hazelton , M. F. Morales , M. Johnston-Hollitt , D. A. Mitchell , P. Procopio , J. Riding , R. L. Webster , J. S. B. Wyithe , D. Oberoi , A. Roshi , R. J. Sault , A. Williams

Limits on radio emission from meteors using the MWA

Recently, low frequency, broadband radio emission has been observed accompanying bright meteors by the Long Wavelength Array (LWA). The broadband spectra between 20 and 60 MHz were captured for several events, while the spectral index…

Earth and Planetary Astrophysics · Physics 2018-04-20 Xiang Zhang , Paul Hancock , Hadrien A. R. Devillepoix , Randall B. Wayth , A. Beardsley , B. Crosse , D. Emrich , T. M. O. Franzen , B. M. Gaensler , L. Horsley , M. Johnston-Hollitt , D. L. Kaplan , D. Kenney , M. F. Morales , D. Pallot , K. Steele , S. J. Tingay , C. M. Trott , M. Walker , A. Williams , C. Wu , Jianghui Ji , Yuehua Ma

Science with the Murchison Widefield Array: Phase I Results and Phase II Opportunities

The Murchison Widefield Array (MWA) is an open access telescope dedicated to studying the low frequency (80$-$300 MHz) southern sky. Since beginning operations in mid 2013, the MWA has opened a new observational window in the southern…

Instrumentation and Methods for Astrophysics · Physics 2020-01-08 A. P. Beardsley , M. Johnston-Hollitt , C. M. Trott , J. C. Pober , J. Morgan , D. Oberoi , D. L. Kaplan , C. R. Lynch , G. E. Anderson , P. I. McCauley , S. Croft , C. W. James , O. I. Wong , C. D. Tremblay , R. P. Norris , I. H. Cairns , C. J. Lonsdale , P. J. Hancock , B. M. Gaensler , N. D. R. Bhat , W. Li , N. Hurley-Walker , J. R. Callingham , N. Seymour , S. Yoshiura , R. C. Joseph , K. Takahashi , M. Sokolowski , J. C. A. Miller-Jones , J. V. Chauhan , I. Bojičić , M. D. Filipović , D. Leahy , H. Su , W. W. Tian , S. J. McSweeney , B. W. Meyers , S. Kitaeff , T. Vernstrom , G. Gürkan , G. Heald , M. Xue , C. J. Riseley , S. W. Duchesne , J. D. Bowman , D. C. Jacobs , B. Crosse , D. Emrich , T. M. O. Franzen , L. Horsley , D. Kenney , M. F. Morales , D. Pallot , K. Steele , S. J. Tingay , M. Walker , R. B. Wayth , A. Williams , C. Wu

The Murchison Widefield Array Enters Adolescence: A Personal Review of the Early Years of Operations

The Murchison Widefield Array (MWA) is a low frequency radio interferometer designed and developed by an international consortium, operated on behalf of the consortium by Curtin University. The MWA is a Precursor for the low frequency…

Instrumentation and Methods for Astrophysics · Physics 2025-09-11 Steven J. Tingay

A First Look for Molecules between 103 and 133 MHz using the Murchison Widefield Array

We detail and present results from a pilot study to assess the feasibility of detecting molecular lines at low radio frequencies. We observed a 400 square degree region centred on the Galactic Centre with the Murchison Widefield Array (MWA)…

Astrophysics of Galaxies · Physics 2017-07-20 Chenoa Tremblay , Natasha Hurley-Walker , Maria Cunningham , Paul A. Jones , Paul J. Hancock , Randall Wayth , Christopher H. Jordan

Low-frequency integrated radio spectra of diffuse, steep-spectrum sources in galaxy clusters: palaeontology with the MWA and ASKAP

Galaxy clusters have been found to host a range of diffuse, non-thermal emission components, generally with steep, power law spectra. In this work we report on the detection and follow-up of radio halos, relics, remnant radio galaxies, and…

Cosmology and Nongalactic Astrophysics · Physics 2021-10-20 S. W. Duchesne , M. Johnston-Hollitt , I. Bartalucci

Prospects for the Detection of Fast Radio Bursts with the Murchison Widefield Array

Fast Radio Bursts (FRBs) are short timescale (<<1 s) astrophysical radio signals, presumed to be a signature of cataclysmic events of extragalactic origin. The discovery of six high-redshift events at ~1400 MHz from the Parkes radio…

Instrumentation and Methods for Astrophysics · Physics 2015-06-17 Cathryn M. Trott , Steven J. Tingay , Randall B. Wayth

Compression of Visibility Data for Murchison Widefield Array

The Murchison Widefield Array (MWA) is a new low frequency radio telescope operating on the Square Kilometre Array site in Western Australia. MWA is generating tens of terabytes of data daily. The size of the required data storage has…

Instrumentation and Methods for Astrophysics · Physics 2014-12-09 Vyacheslav V. Kitaeff

Low frequency spectral energy distributions of radio pulsars detected with the Murchison Widefield Array

We present low-frequency spectral energy distributions of 60 known radio pulsars observed with the Murchison Widefield Array (MWA) telescope. We searched the GaLactic and Extragalactic All-sky MWA (GLEAM) survey images for 200-MHz continuum…

High Energy Astrophysical Phenomena · Physics 2017-05-03 Tara Murphy , David L. Kaplan , Martin E. Bell , J. R. Callingham , Steve Croft , Simon Johnston , Dougal Dobie , Andrew Zic , Jake Hughes , Christene Lynch , Paul Hancock , Natasha Hurley-Walker , Emil Lenc , K. S. Dwarakanath , B. -Q. For , B. M. Gaensler , L. Hindson , M. Johnston-Hollitt , A. D. Kapinska , B. McKinley , J. Morgan , A. R. Offringa , P. Procopio , L. Staveley-Smith , R. Wayth , C. Wu , Q. Zheng