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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

The fast radio burst (FRB) population is observationally divided into sources that have been observed to repeat and those that have not. There is tentative evidence that the bursts from repeating sources have different properties than the…

The origin of fast radio bursts (FRBs) has remained a mystery up to now. There are two kinds of process invoking neutron stars as an origin of FRBs, namely inner-driven starquakes and outer-driven collisions with interstellar objects…

High Energy Astrophysical Phenomena · Physics 2025-12-15 Yi-Nan Chen , Yong-Kun Zhang , Zi-Gao Dai

Recently, a precise (sub-arcsecond) localization of the repeating fast radio burst (FRB) 121102 has led to the discovery of persistent radio and optical counterparts, the identification of a host dwarf galaxy at a redshift of $z=0.193$, and…

High Energy Astrophysical Phenomena · Physics 2017-09-20 D. Xiao , Z. G. Dai

Since their serendipitous discovery, Fast Radio Bursts (FRBs) have garnered a great deal of attention from both observers and theorists. A new class of radio telescopes with wide fields of view have enabled a rapid accumulation of FRB…

Cosmology and Nongalactic Astrophysics · Physics 2021-08-03 Noah Pearson , Cynthia Trendafilova , Joel Meyers

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 nature of fast radio bursts (FRBs) remains enigmatic. Highly energetic radio pulses of millisecond duration, FRBs are observed with dispersion measures consistent with an extragalactic source. A variety of models have been proposed to…

High Energy Astrophysical Phenomena · Physics 2016-07-08 Thomas Callister , Jonah Kanner , Alan Weinstein

The origin of Fast Radio Bursts (FRBs) is still mysterious. All FRBs to date show extremely high brightness temperatures, requiring a coherent emission mechanism. Using constraints derived from the physics of one of these mechanisms, the…

High Energy Astrophysical Phenomena · Physics 2019-04-03 Killian Long , Asaf Pe'er

We interpret recent observations of high-to-low frequency drifting features in the spectra of the repeating FRBs as evidence of sharply changing plasma properties in the emission region, presumably the neutron stars magnetospheres. The…

High Energy Astrophysical Phenomena · Physics 2019-08-21 Maxim Lyutikov

A large number of fast radio bursts (FRBs) detected with the CHIME telescope have enabled investigations of their energy distributions in different redshift intervals, incorporating the consideration of the selection effects of CHIME. As a…

High Energy Astrophysical Phenomena · Physics 2023-07-12 Zi-Liang Zhang , Yun-Wei Yu , Xiao-Feng Cao

Fast Radio Bursts (FRBs) are the short, strong radio pulses lasting several milliseconds. They are subsequently identified, for the most part, as emanating from unknown objects at cosmological distances. At present, over one hundred FRBs…

High Energy Astrophysical Phenomena · Physics 2020-11-05 Xiang-Han Cui , Cheng-Min Zhang , Shuang-Qiang Wang , Jian-Wei Zhang , Di Li , Bo Peng , Wei-Wei Zhu , Na Wang , Richard Strom , Chang-Qing Ye , De-Hua Wang , Yi-Yan Yang

Fast radio bursts (FRBs) are millisecond-duration pulses originating from cosmological distances. Multi-wavelength counterparts associated with FRBs are important for unveiling their physical origins. Recent observations provide strong…

High Energy Astrophysical Phenomena · Physics 2026-03-25 Z. Y. Zhao , F. Y. Wang , Z. G. Dai

The possibility of Fast Radio Burst (FRB) emission being suppressed at low frequencies, resulting in a cutoff of the average rest-frame spectrum, has been raised as an explanation for the lack of detections at meter wavelengths. We examine…

High Energy Astrophysical Phenomena · Physics 2019-04-03 Vikram Ravi , Abraham Loeb

This is a brief, non-exhaustive review of Fast Radio Burst (FRB), a new category of radio transients originating from extragalactic distances. We discuss the key observational properties known so far and the scientific applications of FRBs.…

High Energy Astrophysical Phenomena · Physics 2023-11-06 Cherry Ng

A handful of fast radio bursts (FRBs) are now known to repeat. However, the question remains --- do they all? We report on an extensive observational campaign with the Australian Square Kilometre Array Pathfinder (ASKAP), Parkes, and Robert…

Fast radio bursts (FRBs) are one of the most exciting new mysteries of astrophysics. Their origin is still unknown, but recent observations seems to link them to Soft Gamma Repeaters and, in particular, to magnetar giant flares (MGFs). The…

High Energy Astrophysical Phenomena · Physics 2021-09-23 Giacomo Principe , Nicola Omodei , Niccolò Di Lalla , Leonardo Di Venere , Francesco Longo

Fast radio bursts (FRBs) are transient radio bursts of extragalactic origin characterized by millisecond durations and high luminosities. We report on observations of FRB 20240114A conducted with the Robert C. Byrd Green Bank Telescope…

Fast radio bursts (FRBs) are intense, short-duration radio transients of mysterious origin. They have been detected across a wide range of frequencies from 110 MHz to 8 GHz. Their spectral properties, remaining poorly understood, are…

High Energy Astrophysical Phenomena · Physics 2026-05-13 Rui-Nan Li , Hao-Tian Lan , Zhen-Yin Zhao , Qin Wu , Fa-Yin Wang , Zi-Gao Dai

Given the possible repetitive nature of fast radio bursts (FRBs), their cosmological origin, and their high occurrence, detection of strongly lensed sources due to intervening galaxy lenses is possible with forthcoming radio surveys. We…

High Energy Astrophysical Phenomena · Physics 2017-09-27 Liang Dai , Wenbin Lu

Fast radio bursts (FRBs) are radio bursts characterized by millisecond durations, high Galactic latitude positions, and high dispersion measures. Very recently, the cosmological origin of FRB 150418 has been confirmed by \cite{kea16}, and…

High Energy Astrophysical Phenomena · Physics 2016-05-04 Xue-Feng Wu , Song-Bo Zhang , He Gao , Jun-Jie Wei , Yuan-Chuan Zou , Wei-Hua Lei , Bing Zhang , Zi-Gao Dai , Peter Mészáros
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