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Related papers: Are all fast radio bursts repeating sources?

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Fast radio bursts (FRBs) are extragalactic transients with typical durations of milliseconds. FRBs have been shown, however, to fluctuate on a wide range of timescales: some show sub-microsecond sub-bursts while others last up to a few…

High Energy Astrophysical Phenomena · Physics 2023-11-08 M. P. Snelders , K. Nimmo , J. W. T. Hessels , Z. Bensellam , L. P. Zwaan , P. Chawla , O. S. Ould-Boukattine , F. Kirsten , J. T. Faber , V. Gajjar

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 are extragalactic, sub-millisecond radio impulses of unknown origin [1,2]. Their dispersion measures, which quantify the observed frequency-dependent dispersive delays in terms of free-electron column densities,…

High Energy Astrophysical Phenomena · Physics 2019-07-16 Vikram Ravi

Fast radio bursts (FRBs) remain one of the most puzzling astrophysical phenomena. While most FRBs are detected only once or sporadically, we present the identification of FRB 20190520B as the first persistently active source over a…

The dispersive sweep of fast radio bursts (FRBs) has been used to probe the ionized baryon content of the intergalactic medium, which is assumed to dominate the total extragalactic dispersion. While the host galaxy contributions to…

Fast radio bursts (FRBs) are intense pulses with unknown origins. A subclass of repeating FRBs show some common features, such as associated compact persistent radio sources (PRSs), high burst rates, and large host-galaxy dispersion…

High Energy Astrophysical Phenomena · Physics 2025-12-09 F. Y. Wang , H. T. Lan , Z. Y. Zhao , Q. Wu , Y. Feng , S. X. Yi , Z. G. Dai , K. S. Cheng

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

The Canadian Hydrogen Intensity Mapping Experiment Fast Radio Burst (CHIME/FRB) project has discovered the most repeating fast radio burst (FRB) sources of any telescope. However, most of the physical conclusions derived from this sample…

The statistical properties of energy and waiting time carry essential information about the source of repeating fast radio bursts (FRBs). In this paper, we investigate the randomness of energy and waiting time using four data samples from…

High Energy Astrophysical Phenomena · Physics 2024-08-21 Yu Sang , Hai-Nan Lin

FRB 121102 is the only known repeating fast radio burst source. Here we analyze a wide-frequency-range (1-8 GHz) sample of high-signal-to-noise, coherently dedispersed bursts detected using the Arecibo and Green Bank telescopes. These…

Based on two very large samples of repeating fast radio bursts (FRBs), i.e. FRB 20121102A and FRB 20201124A observed by the FAST telescope, we study the statistical properties of energy and waiting time. The bent power-law (BPL) model,…

High Energy Astrophysical Phenomena · Physics 2023-07-06 Yu Sang , Hai-Nan Lin

Six cases of fast radio bursts (FRBs) have recently been discovered. The FRBs are bright (~0.1 - 1 Jy) and brief (~ 1 ms) pulses of radio emission with dispersion measures (DMs) that exceed Galactic values, and hence FRBs have been…

High Energy Astrophysical Phenomena · Physics 2015-06-17 Abraham Loeb , Yossi Shvartzvald , Dan Maoz

Fast radio bursts (FRBs) are brief, luminous pulses with unknown physical origin. The repetition pattern of FRBs contains essential information about their physical nature and emission mechanisms. Using the two largest samples of FRB…

High Energy Astrophysical Phenomena · Physics 2023-06-14 F. Y. Wang , Q. Wu , 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 examine how the various observable statistical properties of the FRB population relate back to their fundamental physical properties in a model independent manner. We analyse the flux density and fluence distributions of Fast Radio…

High Energy Astrophysical Phenomena · Physics 2018-08-08 Jean-Pierre Macquart , Ron Ekers

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

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