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Fast radio bursts (FRBs), millisecond-duration radio transient events, possess the potential to serve as excellent cosmological probes. The FRB redshift distribution contains information about the FRB sources, providing key constraints on…

Cosmology and Nongalactic Astrophysics · Physics 2025-03-25 Hui Peng , Yu Yu

Fast radio burst (FRB) is a type of extragalactic radio signal characterized by millisecond duration, extremely high brightness temperature, and large dispersion measure. It remains a mystery in the universe. Advancements in instrumentation…

High Energy Astrophysical Phenomena · Physics 2024-09-23 Qin Wu , Fa-Yin Wang

Fast radio bursts (FRBs) are millisecond-duration, bright radio signals (fluence $\mathrm{0.1 - 100\,Jy\,ms}$) emitted from extragalactic sources of unknown physical origin. The recent CHIME/FRB and STARE2 detection of an extremely bright…

High Energy Astrophysical Phenomena · Physics 2020-11-18 F. Kirsten , M. Snelders , M. Jenkins , K. Nimmo , J. van den Eijnden , J. Hessels , M. Gawronski , J. Yang

We model the sample of fast radio bursts (FRB), including the newly discovered CHIME repeaters, using the synchrotron blast wave model of Metzger, Margalit & Sironi (2019). This model postulates that FRBs are precursor radiation from…

High Energy Astrophysical Phenomena · Physics 2020-04-29 Ben Margalit , Brian D. Metzger , Lorenzo Sironi

Several theories exist to explain the source of the bright, millisecond duration pulses known as fast radio bursts (FRBs). If the progenitors of FRBs are non-cataclysmic, such as giant pulses from pulsars, pulsar-planet binaries, or…

The nature of fast radio bursts (FRBs) is currently unknown. Repeating FRBs offer better opportunity than non-repeating FRBs since their simultaneous multi-wavelength counterparts might be identified. The magnetar flare model of FRBs is one…

High Energy Astrophysical Phenomena · Physics 2021-03-17 Shangyu Sun , Wenfei Yu , Yunwei Yu , Dongming Mao

Fast radio bursts (FRBs) are millisecond-duration radio signals occurring at cosmological distances. However the physical model of FRBs is mystery, many models have been proposed. Here we study the frequency distributions of peak flux,…

High Energy Astrophysical Phenomena · Physics 2017-03-22 F. Y. Wang , H. Yu

The CHIME radio telescope operates in the frequency bandwidth of 400 to 800 MHz. The CHIME/FRB collaboration has a data pipeline that analyzes the data in real time, suppresses radio frequency interferences (RFI) and searches for FRBs.…

Instrumentation and Methods for Astrophysics · Physics 2023-11-21 K. J. Luke

We present a spectro-temporal analysis of 137 fast radio bursts (FRBs) from the first CHIME/FRB baseband catalog, including 125 one-off bursts and 12 repeat bursts, down to microsecond resolution using the least-squares optimization fitting…

Fast radio bursts (FRBs) are extragalactic radio transients of extraordinary luminosity. Studying the diverse temporal and spectral behaviour recently observed in a number of FRBs may help determine the nature of the entire class. For…

Fast radio bursts (FRBs) are astrophysical transients of currently unknown origin, and so far several events have been detected at extragalactic distances. The dispersion measure (DM) of the radio signal is a probe of the integrated…

Cosmology and Nongalactic Astrophysics · Physics 2021-01-13 Robert Reischke , Steffen Hagstotz , Robert Lilow

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

We present a synthesis of fast radio burst (FRB) morphology (the change in flux as a function of time and frequency) as detected in the 400-800 MHz octave by the FRB project on the Canadian Hydrogen Intensity Mapping Experiment (CHIME/FRB),…

Fast radio bursts (FRBs) are bright radio transients with short durations and extremely high brightness temperatures, and their physical origins are still unknown. Recently, a repeating source, FRB 20200120E, was found in a globular cluster…

High Energy Astrophysical Phenomena · Physics 2021-10-20 Yuan-Pei Yang

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

Recent observations of repeating fast radio bursts (FRBs) suggest that some FRBs reside in an environment consistent with that of binary neutron star (BNS) mergers. The bursting rate for repeaters could be very high and the emission site is…

High Energy Astrophysical Phenomena · Physics 2020-02-25 Bing Zhang

This paper argues that repeating and apparently non-repeating Fast Radio Bursts are distinct classes of events produced by distinct classes of sources. I review the evidence for that division, and then discusses the statistics of these…

High Energy Astrophysical Phenomena · Physics 2024-09-12 J. I. Katz

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

Ephemeral Fast Radio Bursts (FRBs) must be powered by some of the most energetic processes in the Universe. That makes them highly interesting in their own right and as precise probes for estimating cosmological parameters. This field thus…

High Energy Astrophysical Phenomena · Physics 2024-06-03 Kaustubh Rajwade , Joeri van Leeuwen

Fast radio bursts (FRBs) are quickly becoming a subject of intense interest in time-domain astronomy. The progenitors of FRBs remain unknown but a wide variety of models exist from cataclysmic to repeating scenarios. Advances in FRB…

High Energy Astrophysical Phenomena · Physics 2017-09-08 E. Petroff