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The Earth's Moon presents a uniquely advantageous environment for detecting astrophysical gravitational waves (GWs), particularly in the scientifically interesting deciHz regime. The Laser Interferometer Lunar Antennae (LILA) project plans…

Instrumentation and Methods for Astrophysics · Physics 2026-04-09 James Trippe , Ronald Polidan , Teviet Creighton , Philippe Lognonné , Mark Panning , Volker Quetschke , Kris Izquierdo , Brett Shapiro , Karan Jani

WEAVE, the new wide-field, massively multiplexed spectroscopic survey facility for the William Herschel Telescope, will see first light in late 2022. WEAVE comprises a new 2-degree field-of-view prime-focus corrector system, a nearly…

Instrumentation and Methods for Astrophysics · Physics 2023-11-02 Shoko Jin , Scott C. Trager , Gavin B. Dalton , J. Alfonso L. Aguerri , J. E. Drew , Jesús Falcón-Barroso , Boris T. Gänsicke , Vanessa Hill , Angela Iovino , Matthew M. Pieri , Bianca M. Poggianti , D. J. B. Smith , Antonella Vallenari , Don Carlos Abrams , David S. Aguado , Teresa Antoja , Alfonso Aragón-Salamanca , Yago Ascasibar , Carine Babusiaux , Marc Balcells , R. Barrena , Giuseppina Battaglia , Vasily Belokurov , Thomas Bensby , Piercarlo Bonifacio , Angela Bragaglia , Esperanza Carrasco , Ricardo Carrera , Daniel J. Cornwell , Lilian Domínguez-Palmero , Kenneth J. Duncan , Benoit Famaey , Cecilia Fariña , Oscar A. Gonzalez , Steve Guest , Nina A. Hatch , Kelley M. Hess , Matthew J. Hoskin , Mike Irwin , Johan H. Knapen , Sergey E. Koposov , Ulrike Kuchner , Clotilde Laigle , Jim Lewis , Marcella Longhetti , Sara Lucatello , Jairo Méndez-Abreu , Amata Mercurio , Alireza Molaeinezhad , Maria Monguió , Sean Morrison , David N. A. Murphy , Luis Peralta de Arriba , Isabel Pérez , Ignasi Pérez-Ràfols , Sergio Picó , Roberto Raddi , Mercè Romero-Gómez , Frédéric Royer , Arnaud Siebert , George M. Seabroke , Debopam Som , David Terrett , Guillaume Thomas , Roger Wesson , C. Clare Worley , Emilio J. Alfaro , Carlos Allende Prieto , Javier Alonso-Santiago , Nicholas J. Amos , Richard P. Ashley , Lola Balaguer-Núñez , Eduardo Balbinot , Michele Bellazzini , Chris R. Benn , Sara R. Berlanas , Edouard J. Bernard , Philip Best , Daniela Bettoni , Andrea Bianco , Georgia Bishop , Michael Blomqvist , Corrado Boeche , Micol Bolzonella , Silvia Bonoli , Albert Bosma , Nikolay Britavskiy , Gianni Busarello , Elisabetta Caffau , Tristan Cantat-Gaudin , Alfred Castro-Ginard , Guilherme Couto , Juan Carbajo-Hijarrubia , David Carter , Laia Casamiquela , Ana M. Conrado , Pablo Corcho-Caballero , Luca Costantin , Alis Deason , Abel de Burgos , Sabrina De Grandi , Paola Di Matteo , Jesús Domínguez-Gómez , Ricardo Dorda , Alyssa Drake , Rajeshwari Dutta , Denis Erkal , Sofia Feltzing , Anna Ferré-Mateu , Diane Feuillet , Francesca Figueras , Matteo Fossat , Elena Franciosin , Antonio Frasca , Michele Fumagalli , Anna Gallazzi , Rubén García-Benito , Nicola Gentile Fusillo , Marwan Gebran , James Gilbert , T. M. Gledhill , Rosa M. González Delgado , Robert Greimel , Mario Giuseppe Guarcello , Jose Guerra , Marco Gullieuszik , Christopher P. Haines , Martin J. Hardcastle , Amy Harris , Misha Haywood , Amina Helmi , Nauzet Hernandez , Artemio Herrero , Sarah Hughes , Vid Irsic , Pascale Jablonka , Matt J. Jarvis , Carme Jordi , Rohit Kondapally , Georges Kordopatis , Jens-Kristian Krogager , Francesco La Barbera , Man I Lam , Søren S. Larsen , Bertrand Lemasle , Ian J. Lewis , Emilie Lhomé , Karin Lind , Marcello Lodi , Alessia Longobardi , Ilaria Lonoce , Laura Magrin , Jesús Maíz Apellániz , Olivier Marchal , Amparo Marco , Nicolas F. Martin , Tadafumi Matsuno , Sophie Maurogordato , Paola Merluzzi , Jordi Miralda-Escudé , Emilio Molinari , Giacomo Monari , Lorenzo Morelli , Christopher J. Mottram , Tim Naylor , Ignacio Negueruela , Jose Oñorbe , Elena Pancino , Sébastien Peirani , Reynier F. Peletier , Lucia Pozzetti , Monica Rainer , Pau Ramos , Shaun C. Read , Elena Maria Rossi , Huub J. A. Röttgering , Jose Alberto Rubiño-Martín , Jose Sabater Montes , José San Juan , Nicoletta Sanna , Ellen Schallig , Ricardo P. Schiavon , Mathias Schultheis , Paolo Serra , Timothy W. Shimwell , Sergio Simón-Díaz , Russell J. Smith , Rosanna Sordo , Daniele Sorini , Caroline Soubiran , Else Starkenburg , Iain A. Steele , John Stott , Remko Stuik , Eline Tolstoy , Crescenzo Tortora , Maria Tsantaki , Mathieu Van der Swaelmen , Reinout J. van Weeren , Daniela Vergani , Marc A. W. Verheijen , Kristiina Verro , Jorick S. Vink , Miguel Vioque , C. Jakob Walcher , Nicholas A. Walton , Christopher Wegg , Anne-Marie Weijmans , Wendy L. Williams , Andrew J. Wilson , Nicholas J. Wright , Theodora Xylakis-Dornbusch , Kris Youakim , Stefano Zibetti , Cristina Zurita

We present the first sub-mJy ($\approx0.7$ mJy beam$^{-1}$) survey to be completed below 100 MHz, which is over an order of magnitude deeper than previously achieved for widefield imaging of any field at these low frequencies. The high…

The question of whether intelligent life exists elsewhere is one of the fundamental unknowns about our Universe. Over the past decade more than 200 extra-solar planets have been discovered, providing new urgency for addressing this question…

Astrophysics · Physics 2010-10-27 Abraham Loeb , Matias Zaldarriaga

We present an overview of the Southern-sky MWA Rapid Two-metre (SMART) pulsar survey that exploits the MWA's large field of view and voltage capture system to survey the sky south of 30 degree in declination for pulsars and fast transients…

A novel application of leaky-wave antennas (LWAs) as integrated antennas and multiplexers/demultiplexers is proposed and experimentally demonstrated in the millimeter-wave band at 60~GHz. The first application is demultiplexing of an…

Applied Physics · Physics 2021-09-15 Mohamed K. Emara , Shulabh Gupta

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

In Paper I, we presented an overview of the Southern-sky MWA Rapid Two-metre (SMART) survey, including the survey design and search pipeline. While the combination of MWA's large field-of-view and the voltage capture system brings a survey…

We have observed 28 sources selected from the 1Jy sample of BL Lac objects (Stickel et al. 1991) with the Very Large Array (VLA) in A, B and D configurations at 1.36, 1.66 and 4.85 GHz, and/or with the Westerbork Synthesis Radio Telescope…

Astrophysics · Physics 2009-10-31 P. Cassaro , C. Stanghellini , M. Bondi , D. Dallacasa , R. Della Ceca , R. A. Zappala`

The LOw Frequency Array, LOFAR, is a next generation radio telescope with its core in the Netherlands and elements distributed throughout Europe. It has exceptional collecting area and wide bandwidths at frequencies from 10 MHz up to 250…

High Energy Astrophysical Phenomena · Physics 2015-06-11 Vladislav Kondratiev , Ben Stappers , the LOFAR Pulsar Working Group

The low frequency array (LOFAR), is the first radio telescope designed with the capability to measure radio emission from cosmic-ray induced air showers in parallel with interferometric observations. In the first $\sim 2\,\mathrm{years}$ of…

Instrumentation and Methods for Astrophysics · Physics 2014-06-27 P. Schellart , A. Nelles , S. Buitink , A. Corstanje , J. E. Enriquez , H. Falcke , W. Frieswijk , J. R. Hörandel , A. Horneffer , C. W. James , M. Krause , M. Mevius , O. Scholten , S. ter Veen , S. Thoudam , M. van den Akker , A. Alexov , J. Anderson , I. M. Avruch , L. Bähren , R. Beck , M. E. Bell , P. Bennema , M. J. Bentum , G. Bernardi , P. Best , J. Bregman , F. Breitling , M. Brentjens , J. Broderick , M. Brüggen , B. Ciardi , A. Coolen , F. de Gasperin , E. de Geus , A. de Jong , M. de Vos , S. Duscha , J. Eislöffel , R. A. Fallows , C. Ferrari , M. A. Garrett , J. Grießmeier , T. Grit , J. P. Hamaker , T. E. Hassall , G. Heald , J. W. T. Hessels , M. Hoeft , H. A. Holties , M. Iacobelli , E. Juette , A. Karastergiou , W. Klijn , J. Kohler , V. I. Kondratiev , M. Kramer , M. Kuniyoshi , G. Kuper , P. Maat , G. Macario , G. Mann , S. Markoff , D. McKay-Bukowski , J. P. McKean , J. C. A. Miller-Jones , J. D. Mol , D. D. Mulcahy , H. Munk , R. Nijboer , M. J. Norden , E. Orru , R. Overeem , H. Paas , M. Pandey-Pommier , R. Pizzo , A. G. Polatidis , A. Renting , J. W. Romein , H. Röttgering , A. Schoenmakers , D. Schwarz , J. Sluman , O. Smirnov , C. Sobey , B. W. Stappers , M. Steinmetz , J. Swinbank , Y. Tang , C. Tasse , C. Toribio , J. van Leeuwen , R. van Nieuwpoort , R. J. van Weeren , N. Vermaas , R. Vermeulen , C. Vocks , C. Vogt , R. A. M. J. Wijers , S. J. Wijnholds , M. W. Wise , O. Wucknitz , S. Yatawatta , P. Zarka , A. Zensus

Low-frequency observatories are currently being constructed with the goal of detecting redshifted 21cm emission from the epoch of reionization. These observatories will also be able to detect intensity fluctuations in the cumulative 21cm…

Astrophysics · Physics 2015-05-13 Stuart Wyithe , Abraham Loeb , Paul Geil

The Murchison Widefield Array (MWA) is an electronically steered low frequency ($<300$\,MHz) radio interferometer, with a `slew' time less than 8seconds. Low frequency ($\sim 100$\,MHz) radio telescopes are ideally suited for rapid-response…

Statistical observations of the epoch of reionization (EOR) power spectrum provide a rich data set for understanding the transition from the cosmic "dark ages" to the ionized universe we see today. EOR observations have become an active…

Astrophysics · Physics 2009-11-13 Judd D. Bowman , Miguel F. Morales , Jacqueline N. Hewitt

In 2018 an ultra-wide-bandwidth low-frequency (UWL) receiver was installed on the 64-m Parkes Radio Telescope enabling observations with an instantaneous frequency coverage from 704 to 4032 MHz. Here, we present the analysis of a three-year…

The Next Generation Very Large Array (ngVLA) is a planned radio interferometer providing unprecedented sensitivity at wavelengths between 21 cm and 3 mm. Its 263 antenna element array will be spatially distributed across North America to…

LOFAR, the Low Frequency Array, is a large radio telescope consisting about 100 soccer field sized antenna stations spread over a region of 400 km in diameter. It will operate in the frequency range from ~10 to 240 MHz, with a resolution at…

Gravitational wave detectors capable of making astronomical observations could begin to operate within the next year, and over the next 10 years they will extend their reach out to cosmological distances, culminating in the space mission…

General Relativity and Quantum Cosmology · Physics 2009-11-07 Bernard F. Schutz

We performed an automated comparison of the FIRST radio survey with the APM optical catalog to find radio lobes with optical counterparts. Based on an initial survey covering ~3000 square degrees, we selected a sample of 33 lens candidates…

Astrophysics · Physics 2009-10-31 J. Lehar , A. Buchalter , R. G. McMahon , C. S. Kochanek , T. W. B. Muxlow