Related papers: Water Vapour Radiometers for the Australia Telesco…

Radio Variable and Transient Sources on Minute Timescales in the ASKAP Pilot Surveys

We present results from a radio survey for variable and transient sources on 15-min timescales, using the Australian SKA Pathfinder (ASKAP) pilot surveys. The pilot surveys consist of 505 h of observations conducted at around 1 GHz…

High Energy Astrophysical Phenomena · Physics 2023-06-14 Yuanming Wang , Tara Murphy , Emil Lenc , Louis Mercorelli , Laura Driessen , Joshua Pritchard , Baoqiang Lao , David L. Kaplan , Tao An , Keith W. Bannister , George Heald , 5 Shuoying Lu , Artem Tuntsov , Mark Walker , Andrew Zic

All-Sky Imaging with Vector Sensor Interferometry

Radio astronomy observations at frequencies below 10~MHz could provide valuable science, such as measuring the cosmic dark age signal in the redshifted 21~cm hydrogen absorption line, detecting exoplanetary auroral emissions which lead to…

Instrumentation and Methods for Astrophysics · Physics 2025-08-26 Ekaterina Kononov , Mary Knapp

Fluid Antenna Array Enhanced Over-the-Air Computation

Over-the-air computation (AirComp) has emerged as a promising technology for fast wireless data aggregation by harnessing the superposition property of wireless multiple-access channels. This paper investigates a fluid antenna (FA)…

Information Theory · Computer Science 2025-02-14 Deyou Zhang , Sicong Ye , Ming Xiao , Kezhi Wang , Marco Di Renzo , Mikael Skoglund

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

Studies of the Time Structure of Extended Air Showers for Direction Reconstruction with the HAWC Outrigger Array

The High Altitude Water Cherenkov (HAWC) gamma-ray observatory is a ground-based air shower array designed to detect Cherenkov light produced in water by secondary particles from atmospheric air showers. In order to improve the sensitivity…

High Energy Astrophysical Phenomena · Physics 2019-09-02 Dezhi Huang

Precipitable Water Vapor: Considerations on the water vapor scale height, dry bias of the radiosonde humidity sensors, and spatial and temporal variability of the humidity field

The Thirty Meter Telescope (TMT) and the European Extremely Large Telescope (E-ELT) site testing teams have recently finalized their site testing studies. Since atmospheric water vapor is the dominant source of absorption and increased…

Instrumentation and Methods for Astrophysics · Physics 2011-03-17 Angel C. Otarola , Richard Querel , Florian Kerber

A novel technique for the measurement of the avalanche fluctuation of gaseous detectors

We have developed a novel technique for the measurement of the avalanche fluctuation of gaseous detectors using a UV laser. The technique is simple and requires a short data-taking time of about ten minutes. Furthermore, it is applicable…

Instrumentation and Detectors · Physics 2023-03-22 Makoto Kobayashi , Tomohisa Ogawa , Tomohiko Kawaguchi , Keisuke Fujii , Takahiro Fusayasu , Katsumasa Ikematsu , Yukihiro Kato , Shin-ichi Kawada , Takeshi Matsuda , Ronald Dean Settles , Akira Sugiyama , Tohru Takahashi , Junping Tian , Takashi Watanabe , Ryo Yonamine

ALMA detection of water vapour in the low mass protostar IRAS 16293$-$2422

The low mass protostar IRAS 16293$-$2422 is a well-known young stellar system that is observed in the L1689N molecular cloud in the constellation of Ophiuchus. In the interstellar medium and solar system bodies, water is a necessary species…

Astrophysics of Galaxies · Physics 2021-06-18 Arijit Manna , Sabyasachi Pal , Soumyadip Banerjee

Atacama Compact Array Observations of the Pulsar-Wind Nebula of SNR 0540-69.3

We present observations of the pulsar-wind nebula (PWN) region ofSNR 0540-69.3. The observations were made with the Atacama Compact Array (ACA) in Bands 4 and 6. We also add radio observations from the Australia Compact Array (ATCA) at 3…

High Energy Astrophysical Phenomena · Physics 2020-06-24 P. Lundqvist , N. Lundqvist , C. Vlahakis , C. -I. Björnsson , J. R. Dickel , M. Matsuura , Yu. A. Shibanov , D. A. Zyuzin , G. Olofsson

Climatology of Mid-latitude Ionospheric Disturbances from the Very Large Array Low-frequency Sky Survey

The results of a climatological study of ionospheric disturbances derived from observations of cosmic sources from the Very Large Array (VLA) Low-frequency Sky Survey (VLSS) are presented. We have used the ionospheric corrections applied to…

Space Physics · Physics 2015-06-11 J. F. Helmboldt , W. M. Lane , W. D. Cotton

Clear sky atmosphere at cm-wavelengths from climatology data

We utilise ground-based, balloon-borne and satellite climatology data to reconstruct site and season-dependent vertical profiles of precipitable water vapour (PWV). We use these profiles to solve radiative transfer through the atmosphere,…

Instrumentation and Methods for Astrophysics · Physics 2016-11-30 Bartosz Lew , Joanna Uscka-Kowalkowska

Modeling the Aperture of Radio Instruments for Air-Shower Detection

Sparse digital antenna arrays constitute a promising detection technique for future large-scale cosmic-ray observatories. It has recently been shown that this kind of instrumentation can provide a resolution of the energy and of the shower…

Instrumentation and Methods for Astrophysics · Physics 2019-09-05 V. Lenok , P. Bezyazeekov , N. Budnev , O. Fedorov , O. Gress , O. Grishin , A. Haungs , T. Huege , Y. Kazarina , M. Kleifges , E. Korosteleva , D. Kostunin , L. Kuzmichev , N. Lubsandorzhiev , S. Malakhov , T. Marshalkina , R. Monkhoev , E. Osipova , A. Pakhorukov , L. Pankov , V. Prosin , F. G. Schröder , D. Shipilov , A. Zagorodnikov

Cavity Optocapillaries

Droplets, particularly water, are abundant in nature and artificial systems. Thermal fluctuations imply that droplet interfaces behave like a stormy sea at the sub-nanometer scale.Thermal capillary-waves have been widely studied since 1908…

Soft Condensed Matter · Physics 2015-12-25 Shai Maayani , Leopoldo L. Martin , Samuel Kaminski , Tal Carmon

Antennas for the Detection of Radio Emission Pulses from Cosmic-Ray induced Air Showers at the Pierre Auger Observatory

The Pierre Auger Observatory is exploring the potential of the radio detection technique to study extensive air showers induced by ultra-high energy cosmic rays. The Auger Engineering Radio Array (AERA) addresses both technological and…

Instrumentation and Methods for Astrophysics · Physics 2012-10-12 P. Abreu , M. Aglietta , M. Ahlers , E. J. Ahn , I. F. M. Albuquerque , D. Allard , I. Allekotte , J. Allen , P. Allison , A. Almela , J. Alvarez Castillo , J. Alvarez-Muñiz , R. Alves Batista , M. Ambrosio , A. Aminaei , L. Anchordoqui , S. Andringa , T. Antičić , C. Aramo , E. Arganda , F. Arqueros , H. Asorey , P. Assis , J. Aublin , M. Ave , M. Avenier , G. Avila , A. M. Badescu , M. Balzer , K. B. Barber , A. F. Barbosa , R. Bardenet , S. L. C. Barroso , B. Baughman , J. Bäuml , C. Baus , J. J. Beatty , K. H. Becker , A. Bellétoile , J. A. Bellido , S. BenZvi , C. Berat , X. Bertou , P. L. Biermann , P. Billoir , F. Blanco , M. Blanco , C. Bleve , H. Blümer , M. M. Boháčová , D. Boncioli , C. Bonifazi , R. Bonino , N. Borodai , J. Brack , I. Brancus , P. Brogueira , W. C. Brown , R. Bruijn , P. Buchholz , A. Bueno , L. Buroker , R. E. Burton , K. S. Caballero-Mora , B. Caccianiga , L. Caramete , R. Caruso , A. Castellina , O. Catalano , G. Cataldi , L. Cazon , R. Cester , J. Chauvin , S. H. Cheng , A. Chiavassa , J. A. Chinellato , J. Chirinos Diaz , J. Chudoba , M. Cilmo , R. W. Clay , G. Cocciolo , L. Collica , M. R. Coluccia , R. Conceição , F. Contreras , H. Cook , M. J. Cooper , J. Coppens , A. Cordier , S. Coutu , C. E. Covault , A. Creusot , A. Criss , J. Cronin , A. Curutiu , S. Dagoret-Campagne , R. Dallier , B. Daniel , S. Dasso , K. Daumiller , B. R. Dawson , R. M. de Almeida , M. De Domenico , C. De Donato , S. J. de Jong , G. De La Vega , W. J. M. de Mello Junior , J. R. T. de Mello Neto , I. De Mitri , V. de Souza , K. D. de Vries , L. del Peral , M. del Río , O. Deligny , H. Dembinski , N. Dhital , C. Di Giulio , M. L. Díaz Castro , P. N. Diep , F. Diogo , C. Dobrigkeit , W. Docters , J. C. D'Olivo , P. N. Dong , A. Dorofeev , J. C. dos Anjos , M. T. Dova , D. D'Urso , I. Dutan , J. Ebr , R. Engel , M. Erdmann , C. O. Escobar , J. Espadanal , A. Etchegoyen , P. Facal San Luis , H. Falcke , G. Farrar , A. C. Fauth , N. Fazzini , A. P. Ferguson , B. Fick , J. M. Figueira , A. Filevich , A. Filipčič , S. Fliescher , C. E. Fracchiolla , E. D. Fraenkel , O. Fratu , U. Fröhlich , B. Fuchs , R. Gaior , R. F. Gamarra , S. Gambetta , B. García , S. T. Garcia Roca , D. Garcia-Gamez , D. Garcia-Pinto , A. Gascon Bravo , H. Gemmeke , P. L. Ghia , M. Giller , J. Gitto , H. Glass , M. S. Gold , G. Golup , F. Gomez Albarracin , M. Gómez Berisso , P. F. Gómez Vitale , P. Gonçalves , J. G. Gonzalez , B. Gookin , A. Gorgi , P. Gouffon , E. Grashorn , S. Grebe , N. Griffith , M. Grigat , A. F. Grillo , Y. Guardincerri , F. Guarino , G. P. Guedes , P. Hansen , D. Harari , T. A. Harrison , J. L. Harton , A. Haungs , T. Hebbeker , D. Heck , A. E. Herve , C. Hojvat , N. Hollon , V. C. Holmes , P. Homola , J. R. Hörandel , P. Horvath , M. Hrabovský , D. Huber , T. Huege , A. Insolia , F. Ionita , A. Italiano , S. Jansen , C. Jarne , S. Jiraskova , M. Josebachuili , K. Kadija , K. H. Kampert , P. Karhan , P. Kasper , I. Katkov , B. Kégl , B. Keilhauer , A. Keivani , J. L. Kelley , E. Kemp , R. M. Kieckhafer , H. O. Klages , M. Kleifges , J. Kleinfeller , J. Knapp , D. -H. Koang , K. Kotera , N. Krohm , O. Krömer , D. Kruppke-Hansen , D. Kuempel , J. K. Kulbartz , N. Kunka , G. La Rosa , C. Lachaud , D. LaHurd , L. Latronico , R. Lauer , P. Lautridou , S. Le Coz , M. S. A. B. Leão , D. Lebrun , P. Lebrun , M. A. Leigui de Oliveira , A. Letessier-Selvon , I. Lhenry-Yvon , K. Link , R. López , A. Lopez Agüera , K. Louedec , J. Lozano Bahilo , L. Lu , A. Lucero , M. Ludwig , H. Lyberis , M. C. Maccarone , C. Macolino , S. Maldera , J. Maller , D. Mandat , P. Mantsch , A. G. Mariazzi , J. Marin , V. Marin , I. C. Maris , H. R. Marquez Falcon , G. Marsella , D. Martello , L. Martin , H. Martinez , O. Martínez Bravo , D. Martraire , J. J. Masías Meza , H. J. Mathes , J. Matthews , J. A. J. Matthews , G. Matthiae , D. Maurel , D. Maurizio , P. O. Mazur , G. Medina-Tanco , M. Melissas , D. Melo , E. Menichetti , A. Menshikov , P. Mertsch , C. Meurer , R. Meyhandan , S. Mićanović , M. I. Micheletti , I. A. Minaya , L. Miramonti , L. Molina-Bueno , S. Mollerach , M. Monasor , D. Monnier Ragaigne , F. Montanet , B. Morales , C. Morello , E. Moreno , J. C. Moreno , M. Mostafá , C. A. Moura , M. A. Muller , G. Müller , M. Münchmeyer , R. Mussa , G. Navarra , J. L. Navarro , S. Navas , P. Necesal , L. Nellen , A. Nelles , J. Neuser , P. T. Nhung , M. Niechciol , L. Niemietz , N. Nierstenhoefer , D. Nitz , D. Nosek , L. Nožka , J. Oehlschläger , A. Olinto , M. Ortiz , N. Pacheco , D. Pakk Selmi-Dei , M. Palatka , J. Pallotta , N. Palmieri , G. Parente , E. Parizot , A. Parra , S. Pastor , T. Paul , M. Pech , J. Pȩkala , R. Pelayo , I. M. Pepe , L. Perrone , R. Pesce , E. Petermann , S. Petrera , A. Petrolini , Y. Petrov , C. Pfendner , R. Piegaia , T. Pierog , P. Pieroni , M. Pimenta , V. Pirronello , M. Platino , M. Plum , V. H. Ponce , M. Pontz , A. Porcelli , P. Privitera , M. Prouza , E. J. Quel , S. Querchfeld , J. Rautenberg , O. Ravel , D. Ravignani , B. Revenu , J. Ridky , S. Riggi , M. Risse , P. Ristori , H. Rivera , V. Rizi , J. Roberts , W. Rodrigues de Carvalho , G. Rodriguez , I. Rodriguez Cabo , J. Rodriguez Martino , J. Rodriguez Rojo , M. D. Rodríguez-Frías , G. Ros , J. Rosado , T. Rossler , M. Roth , B. Rouillé-d'Orfeuil , E. Roulet , A. C. Rovero , C. Rühle , A. Saftoiu , F. Salamida , H. Salazar , F. Salesa Greus , G. Salina , F. Sánchez , C. E. Santo , E. Santos , E. M. Santos , F. Sarazin , B. Sarkar , S. Sarkar , R. Sato , N. Scharf , V. Scherini , H. Schieler , P. Schiffer , A. Schmidt , O. Scholten , H. Schoorlemmer , J. Schovancova , P. Schovánek , F. Schröder , S. Schulte , D. Schuster , S. J. Sciutto , M. Scuderi , A. Segreto , M. Settimo , A. Shadkam , R. C. Shellard , I. Sidelnik , G. Sigl , H. H. Silva Lopez , O. Sima , A. Śmiałkowski , R. Šmída , G. R. Snow , P. Sommers , J. Sorokin , H. Spinka , R. Squartini , Y. N. Srivastava , S. Stanic , J. Stapleton , J. Stasielak , M. Stephan , A. Stutz , F. Suarez , T. Suomijärvi , A. D. Supanitsky , T. Šuša , M. S. Sutherland , J. Swain , Z. Szadkowski , M. Szuba , A. Tapia , M. Tartare , O. Taşcău , R. Tcaciuc , N. T. Thao , D. Thomas , J. Tiffenberg , C. Timmermans , W. Tkaczyk , C. J. Todero Peixoto , G. Toma , L. Tomankova , B. Tomé , A. Tonachini , P. Travnicek , D. B. Tridapalli , G. Tristram , E. Trovato , M. Tueros , R. Ulrich , M. Unger , M. Urban , J. F. Valdés Galicia , I. Valiño , L. Valore , G. van Aar , A. M. van den Berg , A. van Vliet , E. Varela , B. Vargas Cárdenas , J. R. Vázquez , R. A. Vázquez , D. Veberič , V. Verzi , J. Vicha , M. Videla , L. Villaseñor , H. Wahlberg , P. Wahrlich , O. Wainberg , D. Walz , A. A. Watson , M. Weber , K. Weidenhaupt , A. Weindl , F. Werner , S. Westerhoff , B. J. Whelan , A. Widom , G. Wieczorek , L. Wiencke , B. Wilczyńska , H. Wilczyński , M. Will , C. Williams , T. Winchen , M. Wommer , B. Wundheiler , T. Yamamoto , T. Yapici , P. Younk , G. Yuan , A. Yushkov , B. Zamorano Garcia , E. Zas , D. Zavrtanik , M. Zavrtanik , I. Zaw , A. Zepeda , J. Zhou , Y. Zhu , M. Zimbres Silva , M. Ziolkowski , D. Charrier , L. Denis , G. Hilgers , L. Mohrmann , B. Philipps , O. Seeger

Water Cherenkov detectors with fiber enhanced PMT for cosmic ray observation

Water Cherenkov detectors (WCDs) have been widely used in cosmic ray observations. This paper presents, for the first time, a cost-effective WCD design integrating a small photomultiplier tube (PMT) with wavelength-shifting fiber (WLS…

Instrumentation and Detectors · Physics 2025-02-26 H. Sun , Z. Huang , B. Wang , D. Liu , S. Ji , C. Feng

Radio-detection of extensive air showers at the Pierre Auger Observatory - Results and enhancements

The Pierre Auger Collaboration is exploring the potential of radio-detection techniques to measure the extensive air showers. The main advantage of these setups is the possibility to cover a large area with no atmospheric attenuation and…

Instrumentation and Methods for Astrophysics · Physics 2019-08-13 K. Louedec

Location-based Initial Access for Wireless Power Transfer with Physically Large Arrays

Radio frequency (RF) wireless power transfer (WPT) is a promising technology for 6G use cases. It enables a massive, yet sustainable deployment of batteryless energy neutral (EN) devices at unprecedented scale. Recent research on 6G is…

Signal Processing · Electrical Eng. & Systems 2024-10-28 Benjamin J. B. Deutschmann , Thomas Wilding , Erik G. Larsson , Klaus Witrisal

Global Distribution of Water Vapor and Cloud Cover--Sites for High Performance THz Applications

Absorption of terahertz radiation by atmospheric water vapor is a serious impediment for radio astronomy and for long-distance communications. Transmission in the THz regime is dependent almost exclusively on atmospheric precipitable water…

Instrumentation and Methods for Astrophysics · Physics 2014-01-30 Jonathan Y. Suen , Michael T. Fang , Philip M. Lubin

Measuring the Attenuation Length of Water in the CHIPS-M Water Cherenkov Detector

The water at the proposed site of the CHIPS water Cherenkov detector has been studied to measure its attenuation length for Cherenkov light as a function of filtering time. A scaled model of the CHIPS detector filled with water from the…

Instrumentation and Detectors · Physics 2017-02-01 F. Amat , P. Bizouard , J. Bryant , T. J. Carroll , S. De Rijck , S. Germani , T. Joyce , B. Kreisten , M. Marshak , J. Meier , J. Nelson , A. J. Perch , M. M. Pfuzner , R. Salazar , J. Thomas , J. Trokan-Tenorio , P. Vahle , R. Wade , C. Wendt , L. H. Whitehead , M. Whitney

Expected performance of air-shower measurements with the radio-interferometric technique

Interferometric measurements with arrays of radio antennas are a powerful and widely used technique in astronomy. Recently, this technique has been revisited for the reconstruction of extensive air showers [1]. This radio-interferometric…

Instrumentation and Methods for Astrophysics · Physics 2022-12-16 Felix Schlüter , Tim Huege