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Fast Radio Bursts (FRBs) are millisecond-duration radio transients of mysterious origin, with growing evidence linking at least some of them to magnetars. While FRBs are primarily observed in the radio band, their potential multi-wavelength…

High Energy Astrophysical Phenomena · Physics 2026-01-21 Ke Bian , Can-Min Deng

Accompanied by an X-ray burst, the fast radio burst (FRB) FRB 200428 was recently confirmed as originating from the Galactic magnetar soft gamma repeater (SGR) SGR J1935+2154. Just before and after FRB 200428 was detected, the…

High Energy Astrophysical Phenomena · Physics 2021-01-15 Yu-Han Yang , Bin-Bin Zhang , Lin Lin , Bing Zhang , Guo-Qiang Zhang , Yi-Si Yang , Zuo-Lin Tu , Jin-Hang Zou , Hao-Yang Ye , Fa-Yin Wang , Zi-Gao Dai

Fast radio bursts (FRBs) are millisecond-duration radio bursts with unidentified extra-galactic origin. Some FRBs exhibit mild magneto-ionic environmental variations, possibly attributed to plasma turbulence or binary configuration. We…

Fast radio bursts (FRB) are enigmatic powerful single radio pulses with durations of several milliseconds and high brightness temperatures suggesting coherent emission mechanism. For the time being a number of extragalactic FRBs have been…

High Energy Astrophysical Phenomena · Physics 2021-08-23 D. Kostunin , H. Ashkar , F. Schüssler , G. Rowell

Fast Radio Bursts (FRBs) are cosmological sub-second bursts of coherent radio emission, whose source is still unknown. To date, the galactic magnetar SGR 1935+2154 is the only astrophysical object known to emit radio bursts akin to FRBs,…

High Energy Astrophysical Phenomena · Physics 2024-07-08 Simone Dall'Osso , Riccardo La Placa , Luigi Stella , Pavel Bakala , Andrea Possenti

The phenomenon of fast radio bursts (FRBs) was discovered in 2007. These are powerful (0.1-100 Jy) single radio pulses with durations of several milliseconds, large dispersion measures, and record high brightness temperatures suggesting…

High Energy Astrophysical Phenomena · Physics 2018-12-14 S. B. Popov , K. A. Postnov , M. S. Pshirkov

Fast radio bursts (FRBs) are enigmatic millisecond-duration signals which encode otherwise unattainable information on the plasma which permeates our Universe, providing insights into magnetic fields and gas distributions. Here we report…

Fast radio bursts (FRBs) are transient radio signals with millisecond-duration, large dispersion measure (DM) and extremely high brightness temperature. Among them, FRB 20180916B has been found to have a 16-day periodically modulated…

High Energy Astrophysical Phenomena · Physics 2024-05-15 Hao-Tian Lan , Zhen-Yin Zhao , Yu-Jia Wei , F. Y. Wang

Fast radio bursts (FRBs) are astronomical transients with millisecond timescales. Although most of the FRBs are not observed to repeat, a few of them are detected to repeat more than hundreds of times. There exist a large variety of…

High Energy Astrophysical Phenomena · Physics 2023-04-05 Bo Han Chen , Tetsuya Hashimoto , Tomotsugu Goto , Bjorn Jasper R. Raquel , Yuri Uno , Seong Jin Kim , Tiger Y. -Y. Hsiao , Simon C. -C. Ho

It is proposed that sources of repeating fast radio bursts with detected periodicity are magnetars with extremely short initial spin periods at the protoneutron star stage, formed in binaries after tidal synchronization of their progenitor…

High Energy Astrophysical Phenomena · Physics 2020-06-24 S. B. Popov

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…

The repeating FRB 20201124A was first discovered by CHIME/FRB in November of 2020, after which it was seen to repeat a few times over several months. It entered a period of high activity in April of 2021, at which time several observatories…

Magnetars are a promising candidate for the origin of Fast Radio Bursts (FRBs). The detection of an extremely luminous radio burst from the Galactic magnetar SGR J1935+2154 on 2020 April 28 added credence to this hypothesis. We report on…

Fast radio bursts (FRBs) are millisecond-duration radio flashes of extragalactic origin, with magnetars implicated as viable central engines. Yet their triggering and radiation mechanisms remain unknown. Radio telescopes inevitably record…

High Energy Astrophysical Phenomena · Physics 2026-02-27 Chen-Ran Hu , Yong-Feng Huang , Jin-Jun Geng , Chen Deng , Ze-Cheng Zou , Xiao-Fei Dong , Yi-Dan Wang , Pei Wang , Fan Xu , Lang Cui , Song-Bo Zhang , Xue-Feng Wu

Fast radio bursts (FRBs) are millisecond radio pulses with extremely high bright temperature. Their physical origin is still a mystery. The discovery of FRB 20020428 supports the idea that at least a portion of FRBs is generated by…

High Energy Astrophysical Phenomena · Physics 2025-07-23 H. T. Lan , S. X. Yi , F. Y. Wang

We report the properties of more than 600 bursts (including cluster-bursts) detected from the repeating fast radio burst (FRB) source FRB 20201124A with the Five-hundred-meter Aperture Spherical radio Telescope (FAST) during an extremely…

High Energy Astrophysical Phenomena · Physics 2023-01-04 D. J. Zhou , J. L. Han , B. Zhang , K. J. Lee , W. W. Zhu , D. Li , W. C. Jing , W. -Y. Wang , Y. K. Zhang , J. C. Jiang , J. R. Niu , R. Luo , H. Xu , C. F. Zhang , B. J. Wang , J. W. Xu , P. Wang , Z. L. Yang , Y. Feng

The origin of fast radio bursts (FRBs), highly energetic, millisecond-duration radio pulses originating from beyond our galaxy, remains unknown. Observationally, FRBs are classified as non-repeating or repeating, however, this…

Fast Radio Bursts (FRBs) are mysterious bursts in the millisecond timescale at radio wavelengths. Currently, there is little understanding about the classification of repeating FRBs, based on difference in physics, which is of great…

High Energy Astrophysical Phenomena · Physics 2023-07-12 Bjorn Jasper R. Raquel , Tetsuya Hashimoto , Tomotsugu Goto , Bo Han Chen , Yuri Uno , Tiger Yu-Yang Hsiao , Seong Jin Kim , Simon C. -C. Ho

Fast radio bursts (FRBs) are highly energetic radio pulses from cosmological origins. Despite an abundance of detections, their nature remains elusive. At least a subset of FRBs is expected to repeat, as the daily FRB rate surpasses that of…

High Energy Astrophysical Phenomena · Physics 2020-03-04 Julian B. Muñoz , Vikram Ravi , Abraham Loeb