Related papers: Livetime and sensitivity of the ARIANNA Hexagonal …

Performance of the RF-detectors of the Astroneu Array

Since 2014, the University Campus of the Hellenic Open University (HOU) hosts the Astroneu array which is dedicated to the detection of Extensive Air Showers (EAS) induced by high energy Cosmic Rays (CR). The Astroneu array incorporates 9…

Instrumentation and Methods for Astrophysics · Physics 2023-01-18 Stavros Nonis , Antonios Leisos , Apostolos Tsirigotis , Ioannis Gkialas , Kostas Papageorgiou , Spyros Tzamarias

H.E.S.S. realtime follow-ups of IceCube high-energy neutrino alerts

The evidence for multi-messenger photon and neutrino emission from the blazar TXS 0506+056 has demonstrated the importance of realtime follow-up of neutrino events by various ground- and space-based facilities. The effort of H.E.S.S. and…

High Energy Astrophysical Phenomena · Physics 2023-09-01 Federica Bradascio , Halim Ashkar , Jowita Borowska , Jean Damascene Mbarubucyeye , Enzo Oukacha , Fabian Schüssler , Hiromasa Suzuki , Alicja Wierzcholska

Redundant Array Configurations for 21 cm Cosmology

Realizing the potential of 21 cm tomography to statistically probe the intergalactic medium before and during the Epoch of Reionization requires large telescopes and precise control of systematics. Next-generation telescopes are now being…

Instrumentation and Methods for Astrophysics · Physics 2016-08-17 Joshua S. Dillon , Aaron R. Parsons

IceCube-Plus: An Ultra-High Energy Neutrino Telescope

While the first kilometer-scale neutrino telescope, IceCube, is under construction, alternative plans exist to build even larger detectors that will, however, b e limited by a much higher neutrino energy threshold of 10 PeV or higher rather…

Astrophysics · Physics 2009-11-10 Francis Halzen , Dan Hooper

Searches for high-energy neutrino emission in the Galaxy with the combined IceCube-AMANDA detector

We report on searches for neutrino sources at energies above 200 GeV in the Northern sky of the galactic plane, using the data collected by the South Pole neutrino telescopes IceCube and AMANDA. The galactic region considered here includes…

High Energy Astrophysical Phenomena · Physics 2013-04-23 IceCube collaboration , R. Abbasi , Y. Abdou , M. Ackermann , J. Adams , J. A. Aguilar , M. Ahlers , D. Altmann , K. Andeen , J. Auffenberg , X. Bai , M. Baker , S. W. Barwick , V. Baum , R. Bay , K. Beattie , J. J. Beatty , S. Bechet , J. Becker Tjus , K. -H. Becker , M. Bell , M. L. Benabderrahmane , S. BenZvi , J. Berdermann , P. Berghaus , D. Berley , E. Bernardini , D. Bertrand , D. Z. Besson , D. Bindig , M. Bissok , E. Blaufuss , J. Blumenthal , D. J. Boersma , C. Bohm , D. Bose , S. Böser , O. Botner , L. Brayeur , A. M. Brown , R. Bruijn , J. Brunner , S. Buitink , M. Carson , J. Casey , M. Casier , D. Chirkin , B. Christy , F. Clevermann , S. Cohen , D. F. Cowen , A. H. Cruz Silva , M. Danninger , J. Daughhetee , J. C. Davis , C. De Clercq , F. Descamps , P. Desiati , G. de Vries Uiterweerd , T. DeYoung , J. C. Díaz-Vélez , J. Dreyer , J. P. Dumm , M. Dunkman , R. Eagan , J. Eisch , R. W. Ellsworth , O. Engdegård , S. Euler , P. A. Evenson , O. Fadiran , A. R. Fazely , A. Fedynitch , J. Feintzeig , T. Feusels , K. Filimonov , C. Finley , T. Fischer-Wasels , S. Flis , A. Franckowiak , R. Franke , K. Frantzen , T. Fuchs , T. K. Gaisser , J. Gallagher , L. Gerhardt , L. Gladstone , T. Glüsenkamp , A. Goldschmidt , J. A. Goodman , D. Góra , D. Grant , A. Groß , S. Grullon , M. Gurtner , C. Ha , A. Haj Ismail , A. Hallgren , F. Halzen , K. Hanson , D. Heereman , P. Heimann , D. Heinen , K. Helbing , R. Hellauer , S. Hickford , G. C. Hill , K. D. Hoffman , R. Hoffmann , A. Homeier , K. Hoshina , W. Huelsnitz , P. O. Hulth , K. Hultqvist , S. Hussain , A. Ishihara , E. Jacobi , J. Jacobsen , G. S. Japaridze , O. Jlelati , A. Kappes , T. Karg , A. Karle , J. Kiryluk , F. Kislat , J. Kläs , S. R. Klein , J. -H. Köhne , G. Kohnen , H. Kolanoski , L. Köpke , C. Kopper , S. Kopper , D. J. Koskinen , M. Kowalski , M. Krasberg , G. Kroll , J. Kunnen , N. Kurahashi , T. Kuwabara , M. Labare , K. Laihem , H. Landsman , M. J. Larson , R. Lauer , M. Lesiak-Bzdak , J. Lünemann , J. Madsen , R. Maruyama , K. Mase , H. S. Matis , F. McNally , K. Meagher , M. Merck , P. Mészáros , T. Meures , S. Miarecki , E. Middell , N. Milke , J. Miller , L. Mohrmann , T. Montaruli , R. Morse , S. M. Movit , R. Nahnhauer , U. Naumann , S. C. Nowicki , D. R. Nygren , A. Obertacke , S. Odrowski , A. Olivas , M. Olivo , A. O'Murchadha , S. Panknin , L. Paul , J. A. Pepper , C. Pérez de los Heros , D. Pieloth , N. Pirk , J. Posselt , P. B. Price , G. T. Przybylski , L. Rädel , K. Rawlins , P. Redl , E. Resconi , W. Rhode , M. Ribordy , M. Richman , B. Riedel , J. P. Rodrigues , F. Rothmaier , C. Rott , T. Ruhe , B. Ruzybayev , D. Ryckbosch , S. M. Saba , T. Salameh , H. -G. Sander , M. Santander , S. Sarkar , K. Schatto , M. Scheel , F. Scheriau , T. Schmidt , M. Schmitz , S. Schoenen , S. Schöneberg , L. Schönherr , A. Schönwald , A. Schukraft , L. Schulte , O. Schulz , D. Seckel , S. H. Seo , Y. Sestayo , S. Seunarine , M. W. E. Smith , M. Soiron , D. Soldin , G. M. Spiczak , C. Spiering , M. Stamatikos , T. Stanev , A. Stasik , T. Stezelberger , R. G. Stokstad , A. Stößl , E. A. Strahler , R. Ström , G. W. Sullivan , H. Taavola , I. Taboada , A. Tamburro , S. Ter-Antonyan , S. Tilav , P. A. Toale , S. Toscano , M. Usner , D. van der Drift , N. van Eijndhoven , A. Van Overloop , J. van Santen , M. Vehring , M. Voge , C. Walck , T. Waldenmaier , M. Wallraff , M. Walter , R. Wasserman , Ch. Weaver , C. Wendt , S. Westerhoff , N. Whitehorn , K. Wiebe , C. H. Wiebusch , D. R. Williams , H. Wissing , M. Wolf , T. R. Wood , K. Woschnagg , C. Xu , D. L. Xu , X. W. Xu , J. P. Yanez , G. Yodh , S. Yoshida , P. Zarzhitsky , J. Ziemann , A. Zilles , M. Zoll

Opportunities for maser studies with the Square Kilometre Array

The Square Kilometre Array (SKA) is the radio telescope of the next generation, providing an increase in sensitivity and angular resolution of two orders of magnitude over existing telescopes. Currently, the SKA is expected to span the…

Astrophysics · Physics 2009-11-13 A. J. Green , W. A. Baan

Low(er) frequency follow-up of 28 candidate, large-scale synchrotron sources

We follow up on a report by Vacca et al. (2018) of 28 candidate large-scale diffuse synchrotron sources in an 8{\deg}$\times$8{\deg} area of the sky (centred at RA 5h0m0s Dec 5{\deg}48'0''). These sources were originally observed at 1.4 GHz…

Astrophysics of Galaxies · Physics 2022-05-27 Torrance Hodgson , Melanie Johnston-Hollitt , Benajmin McKinley , Tessa Vernstrom , Valentina Vacca

Detection of Linear Polarization in the Radio Remnant of Supernova 1987A

Supernova 1987A in the Large Magellanic Cloud has proven a unique laboratory to investigate particle acceleration in young supernova remnants. Here we report the first detection of linear polarization of the supernova's synchrotron emission…

High Energy Astrophysical Phenomena · Physics 2018-07-18 Giovanna Zanardo , Lister Staveley-Smith , B. M. Gaensler , Remy Indebetouw , C. -Y. Ng , Mikako Matsuura , A. K. Tzioumis

High-Energy Gamma Rays and Neutrinos from Nearby Radio Galaxies

Multi-messenger data suggest that radio galaxies (i.e. non-blazar active galaxies) are perhaps the most likely class of sources for the diffuse flux of high-energy neutrinos reported by the IceCube Collaboration. In this study, we consider…

High Energy Astrophysical Phenomena · Physics 2018-11-30 Carlos Blanco , Dan Hooper

Antarctic Radio Frequency Albedo and Implications for Cosmic Ray Reconstruction

From an elevation of ~38 km, the balloon-borne ANtarctic Impulsive Transient Antenna (ANITA) is designed to detect the up-coming radio frequency (RF) signal resulting from a sub-surface neutrino-nucleon collision. Although no neutrinos have…

Instrumentation and Methods for Astrophysics · Physics 2014-10-08 D. Z. Besson , J. Stockham , M. Sullivan , P. Allison , S. W. Barwick , B. M. Baughman , J. J. Beatty , K. Belov , S. Bevan , W. R. Binns , C. Chen , P. Chen , J. M. Clem , A. Connolly , D. De Marco , P. F. Dowkontt , M. DuVernois , D. Goldstein , P. W. Gorham , E. W. Grashorn , B. Hill , S. Hoover , M. Huang , M. H. Israel , A. Javaid , J. Kowalski , J. Learned , K. M. Liewer , S. Matsuno , B. C. Mercurio , C. Miki , M. Mottram , J. Nam , C. J. Naudet , R. J. Nichol , K. Palladino , A. Romero-Wolf , L. Ruckman , D. Saltzberg , D. Seckel , R. Y. Shang , M. Stockham , G. S. Varner , A. G. Vieregg , Y. Wang

Science with the next generation of radio surveys from LOFAR to the SKA

Over the next few years the new radio telescopes, such as the Low Frequency Array (LOFAR) will greatly enhance our knowledge of the active history of the Universe. Large-area surveys with these new telescopes will no longer be dominated by…

Astrophysics · Physics 2007-05-23 Matt J. Jarvis

Increasing the sensitivity of a Shack-Hartmann sensor

The Max-Planck institutes for astronomy (MPIA) and for extraterrestrial physics (MPE) run an adaptive optics (AO) system with a laser guide star at the 3.5 m telescope on Calar Alto, Spain. This system, called ALFA, produces now scientific…

Instrumentation and Methods for Astrophysics · Physics 2016-07-20 Markus Kasper , Douglas Looze , Stefan Hippler , Ric Davies , Andreas Glindemann

Enhancing air-shower observations: Results from an IceCube Surface Array Prototype Station

The Surface Array Enhancement of the IceCube Neutrino Observatory is set to equip the existing surface cosmic-ray array of ice-Cherenkov detectors, IceTop, with radio antennas and scintillation detectors. This can lower the energy threshold…

High Energy Astrophysical Phenomena · Physics 2025-07-03 Megha Venugopal

First Search for Point Sources of High Energy Cosmic Neutrinos with the ANTARES Neutrino Telescope

Results are presented of a search for cosmic sources of high energy neutrinos with the ANTARES neutrino telescope. The data were collected during 2007 and 2008 using detector configurations containing between 5 and 12 detection lines. The…

High Energy Astrophysical Phenomena · Physics 2015-05-30 Antares Collaboration , S. Adrián-Martínez , J. A. Aguilar , I. Al Samarai , A. Albert , M. André , M. Anghinolfi , G. Anton , S. Anvar , M. Ardid , A. C. Assis Jesus , T. Astraatmadja , J-J. Aubert , B. Baret , S. Basa , V. Bertin , S. Biagi , A. Bigi , C. Bigongiari , C. Bogazzi , M. Bou-Cabo , B. Bouhou , M. C. Bouwhuis , J. Brunner , J. Busto , F. Camarena , A. Capone , C. Carloganu , G. Carminati , J. Carr , S. Cecchini , Z. Charif , Ph. Charvis , T. Chiarusi , M. Circella , R. Coniglione , H. Costantini , P. Coyle , C. Curtil , M. P. Decowski , I. Dekeyser , A. Deschamps , C. Distefano , C. Donzaud , D. Dornic , Q. Dorosti , D. Drouhin , T. Eberl , U. Emanuele , A. Enzenhöfer , J-P. Ernenwein , S. Escoffier , P. Fermani , M. Ferri , V. Flaminio , F. Folger , U. Fritsch , J-L. Fuda , S. Galatà , P. Gay , G. Giacomelli , V. Giordano , J. P. Gómez-González , K. Graf , G. Guillard , G. Halladjian , G. Hallewell , H. van Haren , J. Hartman , A. J. Heijboer , Y. Hello , J. J. Hernández-Rey , B. Herold , J. Hößl , C. C. Hsu , M. de Jong , M. Kadler , O. Kalekin , A. Kappes , U. Katz , O. Kavatsyuk , P. Kooijman , C. Kopper , A. Kouchner , I. Kreykenbohm , V. Kulikovskiy , R. Lahmann , P. Lamare , G. Larosa , D. Lattuada , D. Lefèvre , G. Lim , D. Lo Presti , H. Loehner , S. Loucatos , S. Mangano , M. Marcelin , A. Margiotta , J. A. Martínez-Mora , A. Meli , T. Montaruli , L. Moscoso , H. Motz , M. Neff , E. Nezri , D. Palioselitis , G. E. Pavalas , K. Payet , P. Payre , J. Petrovic , P. Piattelli , N. Picot-Clemente , V. Popa , T. Pradier , E. Presani , C. Racca , C. Reed , C. Richardt , R. Richter , C. Rivière , A. Robert , K. Roensch , A. Rostovtsev , J. Ruiz-Rivas , M. Rujoiu , G. V. Russo , F. Salesa , D. F. E. Samtleben , P. Sapienza , F. Schöck , J-P. Schuller , F. Schüssler , T. Seitz , R. Shanidze , F. Simeone , A. Spies , M. Spurio , J. J. M. Steijger , Th. Stolarczyk , A. Sánchez-Losa , M. Taiuti , C. Tamburini , S. Toscano , B. Vallage , V. Van Elewyck , G. Vannoni , M. Vecchi , P. Vernin , S. Wagner , G. Wijnker , J. Wilms , E. de Wolf , H. Yepes , D. Zaborov , J. D. Zornoza , J. Zúñiga

The Giant Radio Array for Neutrino Detection (GRAND) and its prototype phases

Multi-messenger astronomy is key today to broaden our understanding of the high energy Universe. When an ultra-high energy (UHE) particle interacts in the atmosphere or underground, it initiates an extensive air shower that produces a…

Instrumentation and Methods for Astrophysics · Physics 2025-01-06 Marion Guelfand

Observation of Ultra-high-energy Cosmic Rays with the ANITA Balloon-borne Radio Interferometer

We report the observation of sixteen cosmic ray events of mean energy of 1.5 x 10^{19} eV, via radio pulses originating from the interaction of the cosmic ray air shower with the Antarctic geomagnetic field, a process known as…

High Energy Astrophysical Phenomena · Physics 2015-03-17 S. Hoover , J. Nam , P. W. Gorham , E. Grashorn , P. Allison , S. W. Barwick , J. J. Beatty , K. Belov , D. Z. Besson , W. R. Binns , C. Chen , P. Chen , J. M. Clem , A. Connolly , P. F. Dowkontt , M. A. DuVernois , R. C. Field , D. Goldstein , A. G. Vieregg , C. Hast , C. L. Hebert , M. H. Israel , A. Javaid , J. Kowalski , J. G. Learned , K. M. Liewer , J. T. Link , E. Lusczek , S. Matsuno , B. C. Mercurio , C. Miki , P. Miočinović , C. J. Naudet , J. Ng , R. J. Nichol , K. Palladino , K. Reil , A. Romero-Wolf , M. Rosen , L. Ruckman , D. Saltzberg , D. Seckel , G. S. Varner , D. Walz , F. Wu

ALFABURST: A commensal search for Fast Radio Bursts with Arecibo

ALFABURST has been searching for Fast Radio Bursts (FRBs) commensally with other projects using the Arecibo L-band Feed Array (ALFA) receiver at the Arecibo Observatory since July 2015. We describe the observing system and report on the…

Instrumentation and Methods for Astrophysics · Physics 2017-12-27 Griffin Foster , Aris Karastergiou , Golnoosh Golpayegani , Mayuresh Surnis , Duncan R. Lorimer , Jayanth Chennamangalam , Maura McLaughlin , Wes Armour , Jeff Cobb , David H. E. MacMahon , Xin Pei , Kaustubh Rajwade , Andrew P. V. Siemion , Dan Werthimer , Chris J. Williams

High Energy Neutrino Astronomy: Status and Perspectives

The year 2008 has witnessed remarkable steps in developing high energy neutrino telescopes. IceCube at the South Pole has been deployed with 40 of its planned 80 strings and reached half a cubic kilometer instrumented volume, in the…

Astrophysics · Physics 2009-11-13 Christian Spiering

The Giant Radio Array for Neutrino Detection (GRAND): Present and Perspectives

The Giant Radio Array for Neutrino Detection (GRAND) aims at detecting ultra-high energy extraterrestrial neutrinos via the extensive air showers induced by the decay of tau leptons created in the interaction of neutrinos under the Earth's…

Instrumentation and Methods for Astrophysics · Physics 2017-08-18 Ke Fang , Jaime Álvarez-Muñiz , Rafael Alves Batista , Mauricio Bustamante , Washington Carvalho , Didier Charrier , Ismaël Cognard , Sijbrand De Jong , Krijn D. de Vries , Chad Finley , Quanbu Gou , Junhua Gu , Claire Guépin , Jordan Hanson , Hongbo Hu , Kumiko Kotera , Sandra Le Coz , Yi Mao , Olivier Martineau-Huynh , Clementina Medina , Miguel Mostafa , Fabrice Mottez , Kohta Murase , Valentin Niess , Foteini Oikonomou , Frank Schröder , Cyril Tasse , Charles Timmermans , Nicolas Renault-Tinacci , Matías Tueros , Xiang-Ping Wu , Philippe Zarka , Andreas Zech , Yi Zhang , Qian Zheng , Anne Zilles

First M87 Event Horizon Telescope Results. III. Data Processing and Calibration

We present the calibration and reduction of Event Horizon Telescope (EHT) 1.3mm radio wavelength observations of the supermassive black hole candidate at the center of the radio galaxy M87 and the quasar 3C 279, taken during the 2017 April…

Astrophysics of Galaxies · Physics 2019-07-08 The Event Horizon Telescope Collaboration