Related papers: Nitric Oxide and other molecules: Molecular Modell…

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 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

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 Commissioning Survey: A Low-Frequency Catalogue of 14,110 Compact Radio Sources over 6,100 Square Degrees

We present the results of an approximately 6,100 square degree 104--196MHz radio sky survey performed with the Murchison Widefield Array during instrument commissioning between 2012 September and 2012 December: the Murchison Widefield Array…

Instrumentation and Methods for Astrophysics · Physics 2015-06-23 Natasha Hurley-Walker , John Morgan , Randall B. Wayth , Paul J. Hancock , Martin E. Bell , Gianni Bernardi , Ramesh Bhat , Frank Briggs , Avinash A. Deshpande , Aaron Ewall-Wice , Lu Feng , Bryna J. Hazelton , Luke Hindson , Daniel C. Jacobs , David L. Kaplan Nadia Kudryavtseva , Emil Lenc , Benjamin McKinley , Daniel Mitchell , Bart Pindor , Pietro Procopio , Divya Oberoi , André Offringa , Stephen Ord , Jennifer Riding , Judd D. Bowman , Roger Cappallo , Brian Corey , David Emrich , B. M. Gaensler , Robert Goeke , Lincoln Greenhill , Jacqueline Hewitt , Melanie Johnston-Hollitt , Justin Kasper , Eric Kratzenberg , Colin Lonsdale , Mervyn Lynch , Russell McWhirter , Miguel F. Morales , Edward Morgan , Thiagaraj Prabu , Alan Rogers , Anish Roshi , Udaya Shankar , K. Srivani , Ravi Subrahmanyan , Steven Tingay , Mark Waterson , Rachel Webster , Alan Whitney , Andrew Williams , Chris Williams

MWA Tied-Array Processing IV: A Multi-Pixel Beamformer for Pulsar Surveys and Ionospheric Corrected Localisation

The Murchison Widefield Array (MWA) is a low-frequency aperture array capable of high-time and frequency resolution astronomy applications such as pulsar studies. The large field-of-view of the MWA (hundreds of square degrees) can also be…

Instrumentation and Methods for Astrophysics · Physics 2022-05-18 N. A. Swainston , N. D. R. Bhat , I. S. Morrison , S. J. McSweeney , S. M. Ord , S. E. Tremblay , M. Sokolowski

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

A Molecular Line Survey around Orion at Low Frequencies with the MWA

The low-frequency sky may reveal some of the secrets yet to be discovered and until recently, molecules had never been detected within interstellar clouds at frequencies below 700MHz (Lovas, 2003) . Following the pilot survey towards the…

Astrophysics of Galaxies · Physics 2018-07-04 Chenoa D. Tremblay , Paul A. Jones , Maria Cunningham , Natasha Hurley-Walker , Christopher H. Jordan , Steven J. Tingay

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

The 154 MHz radio sky observed by the Murchison Widefield Array: noise, confusion and first source count analyses

We analyse a 154 MHz image made from a 12 h observation with the Murchison Widefield Array (MWA) to determine the noise contribution and behaviour of the source counts down to 30 mJy. The MWA image has a bandwidth of 30.72 MHz, a…

Instrumentation and Methods for Astrophysics · Physics 2016-04-14 T. M. O. Franzen , C. A. Jackson , A. R. Offringa , R. D. Ekers , R. B. Wayth , G. Bernardi , J. D. Bowman , F. Briggs , R. J. Cappallo , A. A. Deshpande , B. M. Gaensler , L. J. Greenhill , B. J. Hazelton , M. Johnston-Hollitt , D. L. Kaplan , C. J. Lonsdale , S. R. McWhirter , D. A. Mitchell , M. F. Morales , E. Morgan , J. Morgan , D. Oberoi , S. M. Ord , T. Prabu , N. Seymour , N. Udaya Shankar , K. S. Srivani , R. Subrahmanyan , S. J. Tingay , C. M. Trott , R. L. Webster , A. Williams , C. L. Williams

The challenges of low-frequency radio polarimetry: lessons from the Murchison Widefield Array

We present techniques developed to calibrate and correct Murchison Widefield Array (MWA) low frequency (72-300 MHz) radio observations for polarimetry. The extremely wide field-of-view, excellent instantaneous (u, v)-coverage and…

Instrumentation and Methods for Astrophysics · Physics 2017-10-04 Emil Lenc , C. S. Anderson , N. Barry , J. D. Bowman , I. H. Cairns , J. S. Farnes , B. M. Gaensler , G. Heald , M. Johnston-Hollitt , D. L. Kaplan , C. R. Lynch , P. I. McCauley , D. A. Mitchell , J. Morgan , M. F. Morales , T. Murphy , A. R. Offringa , S. M. Ord , B. Pindor , C. Riseley , E. M. Sadler , C. Sobey , M. Sokolowski , I. S. Sullivan , S. P. O'Sullivan , X. H. Sun , S. E. Tremblay , C. M. Trott , R. B. Wayth

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

Multi-epoch Low Radio Frequency Surveys of the Kepler K2 Mission Campaign Fields 3, 4, and 5 with the Murchison Widefield Array

We present Murchison Widefield Array (MWA) monitoring of the Kepler K2 mission Fields 3, 4, and 5 at frequencies of 155 and 186 MHz, from observations contemporaneous with the K2 observations. This work follows from previous MWA and GMRT…

High Energy Astrophysical Phenomena · Physics 2019-07-10 S. J. Tingay , P. J Hancock

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

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

A Low Frequency Blind Survey of the Low Earth Orbit Environment using Non-Coherent Passive Radar with the Murchison Widefield Array

We have extended our previous work to use the Murchison Widefield Array (MWA) as a non-coherent passive radar system in the FM frequency band, using terrestrial FM transmitters to illuminate objects in Low Earth Orbit LEO) and the MWA as…

Instrumentation and Methods for Astrophysics · Physics 2020-12-16 Steve Prabu , Paul J Hancock , Zhang Xiang , Steven J Tingay

Precision frequency comb spectroscopy of the $^{14}$N$_{2}$O, $^{14}$N$^{15}$NO, $^{15}$N$^{14}$NO, and $^{15}$N$_{2}$O isotopocules in the 3300-3550 cm$^{-1}$ range

Nitrous oxide is a long-lived greenhouse gas. Its isotopic composition provides valuable insights into sources and sinks, and about the mechanism of formation. A major challenge in the spectroscopic analysis of the isotopocule compositions…

Chemical Physics · Physics 2025-06-17 Adrian Hjältén , Ibrahim Sadiek , Aleksandra Foltynowicz

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

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

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 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