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Among several dozen known repeating Fast radio bursts (FRBs), those precisely localized offer the best opportunities to explore their multi-wavelength counterparts, which are key to uncovering their origins. Here we report our X-ray,…

High Energy Astrophysical Phenomena · Physics 2025-03-20 Zhen Yan , Wenfei Yu , Kim L. Page , Jie Lin , Di Li , Chenhui Niu , Casey Law , Bing Zhang , Shami Chatterjee , Xian Zhang , Reshma Anna-Thomas

Fast radio bursts (FRBs) are newly discovered radio transient sources. Their high dispersion measures indicate an extragalactic origin. But due to the lack of observational data in other wavelengths, their progenitors still remain unclear.…

High Energy Astrophysical Phenomena · Physics 2017-05-11 J. J. Geng , Y. F. Huang

We report on the results of a search for radio transients between 115 and 190\,MHz with the LOw-Frequency ARray (LOFAR). Four fields have been monitored with cadences between 15 minutes and several months. A total of 151 images were…

Recent investigations reveal an important new class of transient radio phenomena that occur on sub-millisecond timescales. Often transient surveys' data volumes are too large to archive exhaustively. Instead, an on-line automatic system…

Instrumentation and Methods for Astrophysics · Physics 2015-05-28 David R. Thompson , Kiri L. Wagstaff , Walter Brisken , Adam T. Deller , Walid A. Majid , Steven J. Tingay , Randall B. Wayth

[Abridged] We present a search for fast optical transients (~0.5 hr-1 day) using repeated observations of the Pan-STARRS1 Medium-Deep Survey (PS1/MDS) fields. Our search takes advantage of the consecutive g/r-band observations (16.5 min in…

Fast radio bursts (FRBs) constitute an emerging class of fast radio transient whose origin continues to be a mystery. Realizing the importance of increasing coverage of the search parameter space, we have designed, built, and deployed a…

In the past decade, a new class of bright transient radio sources with millisecond duration has been discovered. The origin of these so-called Fast Radio Bursts (FRBs) is still a great mystery despite the growing observational efforts made…

High Energy Astrophysical Phenomena · Physics 2019-02-27 A. Albert , M. André , M. Anghinolfi , G. Anton , M. Ardid , J. -J. Aubert , J. Aublin , T. Avgitas , B. Baret , J. Barrios-Martí , S. Basa , B. Belhorma , V. Bertin , S. Biagi , R. Bormuth , J. Boumaaza , S. Bourret , M. C. Bouwhuis , H. Brânzaş , R. Bruijn , J. Brunner , J. Busto , A. Capone , L. Caramete , J. Carr , S. Celli , M. Chabab , R. Cherkaoui El Moursli , T. Chiarusi , M. Circella , J. A. B. Coelho , A. Coleiro , M. Colomer , R. Coniglione , H. Costantini , P. Coyle , A. Creusot , A. F. Díaz , A. Deschamps , C. Distefano , I. Di Palma , A. Domi , C. Donzaud , D. Dornic , D. Drouhin , T. Eberl , I. El Bojaddaini , N. El Khayati , D. Elsässer , A. Enzenhöfer , A. Ettahiri , F. Fassi , I. Felis , P. Fermani , G. Ferrara , L. Fusco , P. Gay , H. Glotin , T. Grégoire , R. Gracia-Ruiz , K. Graf , S. Hallmann , H. van Haren , A. J. Heijboer , Y. Hello , J. J. Hernández-Rey , J. Hößl , J. Hofestädt , G. Illuminati , C. W. James , M. de Jong , M. Jongen , M. Kadler , O. Kalekin , U. Katz , A. Kouchner , M. Kreter , I. Kreykenbohm , V. Kulikovskiy , C. Lachaud , R. Lahmann , D. Lefèvre , E. Leonora , G. Levi , M. Lotze , S. Loucatos , M. Marcelin , A. Margiotta , A. Marinelli , J. A. Martínez-Mora , R. Mele , K. Melis , P. Migliozzi , A. Moussa , S. Navas , E. Nezri , A. Nuñez , M. Organokov , G. E. Păvălaş , C. Pellegrino , P. Piattelli , V. Popa , T. Pradier , L. Quinn , C. Racca , N. Randazzo , G. Riccobene , A. Sánchez-Losa , M. Saldaña , I. Salvadori , D. F. E. Samtleben , M. Sanguineti , P. Sapienza , F. Schüssler , M. Spurio , Th. Stolarczyk , M. Taiuti , Y. Tayalati , A. Trovato , D. Turpin , B. Vallage , V. Van Elewyck , F. Versari , D. Vivolo , J. Wilms , D. Zaborov , J. D. Zornoza , J. Zúñiga

Aims. Fast Radio Bursts are bright radio transients whose origin has not yet explained. The search for a multi-wavelength counterpart of those events can put a tight constrain on the emission mechanism and the progenitor source. Methods. We…

FRB 20121102A is the original repeating fast radio burst (FRB) source and also the first to be localised to milliarcsecond precision using very-long-baseline interferometry (VLBI). It has been active for over 13 years and resides in an…

We report on the discovery and localization of fast radio bursts (FRBs) from the MeerTRAP project, a commensal fast radio transient-detection programme at MeerKAT in South Africa. Our hybrid approach combines a coherent search with an…

Fast radio bursts (FRBs) are extremely strong radio flares lasting several micro- to milliseconds and come from unidentified objects at cosmological distances, most of which are only seen once. Based on recently published data in the…

High Energy Astrophysical Phenomena · Physics 2022-10-06 Xiang-Han Cui , Cheng-Min Zhang , Di Li , Jian-Wei Zhang , Bo Peng , Wei-Wei Zhu , Richard Strom , Shuang-Qiang Wang , Na Wang , Qing-Dong Wu , De-Hua Wang , Yi-Yan Yang

Fast radio bursts (FRBs) represent one of the most exciting astrophysical discoveries of the recent past. The study of their low-frequency emission, which was only effectively picked up about ten years after their discovery, has helped…

High Energy Astrophysical Phenomena · Physics 2022-03-10 Maura Pilia

We present the results of a four-month campaign searching for low-frequency radio transients near the North Celestial Pole with the Low-Frequency Array (LOFAR), as part of the Multifrequency Snapshot Sky Survey (MSSS). The data were…

High Energy Astrophysical Phenomena · Physics 2016-06-21 A. J. Stewart , R. P. Fender , J. W. Broderick , T. E. Hassall , T. Muñoz-Darias , A. Rowlinson , J. D. Swinbank , T. D. Staley , G. J. Molenaar , B. Scheers , T. L. Grobler , M. Pietka , G. Heald , J. P. McKean , M. E. Bell , A. Bonafede , R. P. Breton , D. Carbone , Y. Cendes , A. O. Clarke , S. Corbel , F. de Gasperin , J. Eislöffel , H. Falcke , C. Ferrari , J. -M. Grießmeier , M. J. Hardcastle , V. Heesen , J. W. T. Hessels , A. Horneffer , M. Iacobelli , P. Jonker , A. Karastergiou , G. Kokotanekov , V. I. Kondratiev , M. Kuniyoshi , C. J. Law , J. van Leeuwen , S. Markoff , J. C. A. Miller-Jones , D. Mulcahy , E. Orru , M. Pandey-Pommier , L. Pratley , E. Rol , H. J. A. Röttgering , A. M. M. Scaife , A. Shulevski , C. A. Sobey , B. W. Stappers , C. Tasse , A. J. van der Horst , S. van Velzen , R. J. van Weeren , R. A. M. J. Wijers , R. Wijnands , M. Wise , P. Zarka , A. Alexov , J. Anderson , A. Asgekar , I. M. Avruch , M. J. Bentum , G. Bernardi , P. Best , F. Breitling , M. Brüggen , H. R. Butcher , B. Ciardi , J. E. Conway , A. Corstanje , E. de Geus , A. Deller , S. Duscha , W. Frieswijk , M. A. Garrett , A. W. Gunst , M. P. van Haarlem , M. Hoeft , J. Hörandel , E. Juette , G. Kuper , M. Loose , P. Maat , R. McFadden , D. McKay-Bukowski , J. Moldon , H. Munk , M. J. Norden , H. Paas , A. G. Polatidis , D. Schwarz , J. Sluman , O. Smirnov , M. Steinmetz , S. Thoudam , M. C. Toribio , R. Vermeulen , C. Vocks , S. J. Wijnholds , O. Wucknitz , S. Yatawatta

We report the observations of the highly active FRb20201124A with the upgraded Giant Metrewave Radio Telescope at 550-750~MHz. These observations in the incoherent array mode simultaneously provided an arcsecond localization of bursts from…

High Energy Astrophysical Phenomena · Physics 2021-11-03 V. R. Marthi , S. Bethapudi , R. A. Main , H. -H. Lin , L. G. Spitler , R. S. Wharton , D. Z. Li , T. G. Gautam , U. -L. Pen , G. H. Hilmarsson

We investigate whether current data on the distribution of observed flux densities of Fast Radio Bursts (FRBs) are consistent with a constant source density in Euclidean space. We use the number of FRBs detected in two surveys with…

High Energy Astrophysical Phenomena · Physics 2016-07-27 Niels Oppermann , Liam Connor , Ue-Li Pen

The recently discovered fast radio bursts (FRBs), presumably of extra-galactic origin, have the potential to become a powerful probe of the intergalactic medium (IGM). We point out a few such potential applications. We provide expressions…

High Energy Astrophysical Phenomena · Physics 2015-12-29 Z. Zheng , E. O. Ofek , S. R. Kulkarni , J. D. Neill , M. Juric

We present microsecond-resolution, coherently-dedispersed, polarimetric measurements of 35 fast radio bursts (FRBs) detected during the Commensal Real-time ASKAP Fast Transients (CRAFT) incoherent sum (ICS) survey with the Australian Square…

We have searched for weak fast radio burst (FRB) events using a database containing 568,736,756 transient events detected using the Parkes radio telescope between 1997 and 2001. In order to classify these pulses, and to identify likely FRB…

We present the results of a coordinated campaign conducted with the Murchison Widefield Array (MWA) to shadow Fast Radio Bursts (FRBs) detected by the Australian Square Kilometre Array Pathfinder (ASKAP) at 1.4 GHz, which resulted in…

Over 700 bright millisecond-duration radio transients, known as Fast Radio Bursts (FRBs), have been identified to date. Nevertheless, the origin of FRBs remains unknown. The two repeating FRBs (FRB 20121102A and FRB 20190520B) have been…