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Fast radio bursts (FRBs) are a newly discovered class of radio transients that emerge from cosmological sources and last for $\sim$ a few milliseconds. However, their origin remains a highly debated topic in astronomy. Among the plethora of…

High Energy Astrophysical Phenomena · Physics 2023-10-31 Mohit Bhardwaj , Antonella Palmese , Ignacio Magaña Hernandez , Virginia D'Emilio , Soichiro Morisaki

Fast Radio Bursts (FRBs) are millisecond-duration radio pulses originating from cosmological distances, as indicated by their large dispersion measures. While numerous FRBs have now been localised to their host galaxies, a distinct class of…

High Energy Astrophysical Phenomena · Physics 2025-12-03 Thulo Letsele , Lebogang Mfulwane , Christo Venter , James O. Chibueze , Mechiel Christiaan Bezuidenhout

Fast radio bursts (FRBs) are millisecond-duration extragalactic radio transients of unknown origin. Rotation measures (RMs) probe their local magneto-ionic environments and provide important clues to their nature. While RM variability has…

High Energy Astrophysical Phenomena · Physics 2026-04-23 Ye Li

We present a multiband study of FRB 20180916B, a repeating source with a 16.3 day periodicity. We report the detection of 4, 1 and 7 bursts from observations spanning 3 days using upgraded Giant Metrewave Radio Telescope (300-500 MHz),…

Recent multi-telescope observations of the repeating Fast Radio Burst FRB 121102 reveal a Gaussian-like spectral profile and associate the event with a dwarf metal-poor galaxy at a cosmological redshift of 0.19. Assuming that this event…

High Energy Astrophysical Phenomena · Physics 2017-09-20 Anastasia Fialkov , Abraham Loeb

We report on the commensal ASKAP detection of a fast radio burst (FRB), FRB20211127I, and the detection of neutral hydrogen (HI) emission in the FRB host galaxy, WALLABYJ131913-185018 (hereafter W13-18). This collaboration between the CRAFT…

FRB 20180916B is a well-studied repeating fast radio burst source. Its proximity (~150 Mpc), along with detailed studies of the bursts, have revealed many clues about its nature -- including a 16.3-day periodicity in its activity. Here we…

We report on the discovery and analysis of bursts from nine new repeating fast radio burst (FRB) sources found using the Canadian Hydrogen Intensity Mapping Experiment (CHIME) telescope. These sources span a dispersion measure (DM) range of…

We report the detection of repeat bursts from the source of FRB 171019, one of the brightest fast radio bursts (FRBs) detected in the Australian Square Kilometre Array Pathfinder (ASKAP) fly's eye survey. Two bursts from the source were…

The hot gas that constitutes the intracluster medium (ICM) has been studied at X-ray and millimeter/sub-millimeter wavelengths (Sunyaev-Zeldovich effect) for decades. Fast radio bursts (FRBs) offer an additional method of directly measuring…

Fast radio bursts (FRBs) are bright milliseconds-duration radio bursts from cosmological distances. Despite intense observational and theoretical studies, their physical origin is still mysterious. One major obstacle is the lack of…

High Energy Astrophysical Phenomena · Physics 2024-11-12 Yi Xing , Wenfei Yu , Zhen Yan , Xian Zhang , Bing Zhang

We report a new Fast Radio Burst (FRB) discovered in real-time as part of the UTMOST project at the Molonglo Observatory Synthesis Radio Telescope (MOST). FRB170827 is the first detected with our low-latency ($< 24$ s),…

We aim to confirm the compact nature and constrain the radio spectra of candidate persistent radio sources (PRSs) associated with repeating fast radio bursts (FRBs). We performed European VLBI Network (EVN) observations at 5 and 8 GHz…

High Energy Astrophysical Phenomena · Physics 2026-04-07 G. Bruni , L. Piro , Y. -P. Yang , L. Nicastro , A. Rossi , E. Palazzi , E. Maiorano , S. Savaglio , B. Zhang

Fast radio bursts (FRBs) are brilliant short-duration flashes of radio emission originating at cosmological distances. The vast diversity in the properties of currently known FRBs, and the fleeting nature of these events make it difficult…

Fast Radio Bursts (FRBs) are short-duration radio transients with mysterious origins. Since its uncertainty, there are very few FRBs that are observed by different instruments, simultaneously. This study presents a detailed analysis of a…

High Energy Astrophysical Phenomena · Physics 2025-07-24 Yuhao Zhu , Chenhui Niu , Shi Dai , Di Li , Pei Wang , Yi Feng , Jingwen Wu , Yongkun Zhang , Xianghan Cui , Junshuo Zhang , Jinhuang Cao

Fast Radio Bursts (FRBs) are short-timescale transients of extragalactic origin. The number of detected FRBs has grown dramatically since their serendipitous discovery from archival data. Some FRBs have also been seen to repeat. The…

High Energy Astrophysical Phenomena · Physics 2024-05-21 Pavan Uttarkar , Ryan M. Shannon , Marcus E. Lower , Pravir Kumar , Danny C. Price , A. T. Deller , K. Gourdji

Fast radio bursts (FRBs) are bright, coherent, short-duration radio transients of as-yet unknown extragalactic origin. FRBs exhibit a wide variety of spectral, temporal and polarimetric properties, which can unveil clues into their emission…

High Energy Astrophysical Phenomena · Physics 2021-01-06 K. Nimmo , J. W. T. Hessels , A. Keimpema , A. M. Archibald , J. M. Cordes , R. Karuppusamy , F. Kirsten , D. Z. Li , B. Marcote , Z. Paragi

We present observations and detailed characterizations of five new host galaxies of fast radio bursts (FRBs) discovered with the Australian Square Kilometre Array Pathfinder (ASKAP) and localized to $\lesssim 1''$. Combining these galaxies…