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Fast Radio Bursts (FRBs) are millisecond-duration events detected from beyond the Milky Way. FRB emission characteristics favor highly magnetized neutron stars, or magnetars, as the sources, as evidenced by FRB-like bursts from a galactic…

Recent observations of a small sample of repeating Fast Radio Bursts (FRBs) have revealed a periodicity in their bursting activity that may be suggestive of a binary origin for the modulation. We set out to explore the scenario where a…

High Energy Astrophysical Phenomena · Physics 2023-05-24 Kaustubh Rajwade , Jakob van den Eijnden

Fast radio bursts (FRBs) are radio transients of extragalactic origin lasting for about a few to several milli-seconds. We have analyzed both non-CHIME and CHIME FRB data. To circumvent the absence of measured fluence and flux density of…

High Energy Astrophysical Phenomena · Physics 2024-12-24 Nidhi Saini , Patrick Das Gupta

Fast Radio Burst (FRB) is an extremely energetic cosmic phenomenon of short duration. Discovered only recently and with its origin still unknown, FRBs have already started to play a significant role in studying the distribution and…

Instrumentation and Methods for Astrophysics · Physics 2025-07-31 Xuerong Guo , Han Wang , Yifan Xiao , Huaxi Chen , Yinan Ke , ChenChen Miao , Pei Wang , Di Li , Chenwu Jin , Ling He , Yi Feng , Yongkun Zhang , Jiaying Xu , Guangyong Chen

Fast Radio Bursts (FRBs) are energetic, short, bright transients that occur frequently over the entire radio sky. The observational challenges following from their fleeting, generally one-off nature have prevented identification of the…

High Energy Astrophysical Phenomena · Physics 2021-07-14 D. W. Gardenier , J. van Leeuwen

Among the thousands of observed fast radio bursts (FRBs), a few sources exhibit exceptionally high burst activity observable by many telescopes across a broad range of radio frequencies. Almost all of these highly active repeaters have been…

Fast radio burst (FRB) science primarily revolves around two facets: the origin of these bursts and their use in cosmological studies. This work follows from previous redshift-dispersion measure ($z$-DM) analyses in which we model…

Cosmology and Nongalactic Astrophysics · Physics 2026-05-19 Jordan Hoffmann , Clancy W. James , Marcin Glowacki , Jason X. Prochaska , Alexa C. Gordon , Adam T. Deller , Ryan M. Shannon , Stuart D. Ryder

Understanding the nature of repeating fast radio bursts (FRBs) is crucial to probe their underlying physics. In this work, we analyze the waiting time statistics between bursts of three repeating FRBs from four datasets. We find a…

High Energy Astrophysical Phenomena · Physics 2024-11-06 Ping Wang , Li-Ming Song , Shao-Lin Xiong , Xiao-Yun Zhao , Jin Wang , Shu-Min Zhao , Shuo Xiao , Ce Cai , Sheng-Lun Xie , Wang-Chen Xue , Chen-Wei Wang , Yue Wang , Wen-Long Zhang

Fast Radio Bursts (FRBs) are classified into repeaters and non-repeaters, with only a few percent of the observed FRB population from the Canadian Hydrogen Intensity Mapping Experiment (CHIME) confirmed as repeaters. However, this figure…

High Energy Astrophysical Phenomena · Physics 2023-12-13 Shotaro Yamasaki , Tomotsugu Goto , Chih-Teng Ling , Tetsuya Hashimoto

The puzzling mechanism of coherent radio emission remains unknown, but fortunately, repeating fast radio bursts (FRBs) provide a precious opportunity, with extremely bright subpulses created in a clear and vacuum-like pulsar magnetosphere.…

High Energy Astrophysical Phenomena · Physics 2023-12-12 Renxin Xu , Weiyang Wang

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 highly dispersed millisecond-duration radio bursts. Recent observations of a Galactic FRB suggest that at least some FRBs originate from magnetars, but the origin of cosmological FRBs is still not settled. Here…

It was recently discovered that the time correlations of repeating fast radio bursts (FRBs) are similar to earthquake aftershocks. Motivated by the association between FRBs and magnetars, here we report correlation function analyses in the…

High Energy Astrophysical Phenomena · Physics 2024-04-24 Yuya Tsuzuki , Tomonori Totani , Chin-Ping Hu , Teruaki Enoto

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

The dispersion of fast radio bursts (FRBs) is a measure of the large-scale electron distribution. It enables measurements of cosmological parameters, especially of the expansion rate and the cosmic baryon fraction. The number of events is…

Cosmology and Nongalactic Astrophysics · Physics 2023-07-19 Robert Reischke , Steffen Hagstotz

Observationally, the mysterious fast radio bursts (FRBs) are classified as repeating ones and apparently non-repeating ones. While repeating FRBs cannot be classified into the non-repeating group, it is unknown whether the apparently…

High Energy Astrophysical Phenomena · Physics 2022-11-30 Jia-Wei Luo , Jia-Ming Zhu-Ge , Bing Zhang

Fast radio bursts (FRBs) are radio transients lasting only about a few milliseconds. They seem to occur at cosmological distances. We propose that these events can be originated in the collapse of the magnetosphere of Kerr-Newman black…

High Energy Astrophysical Phenomena · Physics 2016-08-03 Tong Liu , Gustavo E. Romero , Mo-Lin Liu , Ang Li

The repeating FRB 121102 (the "repeater") shows {repetitive bursting activities} and was localized in a host galaxy at $z=0.193$. On the other hand, despite dozens of hours of telescope time spent on follow-up observations, no other FRBs…

High Energy Astrophysical Phenomena · Physics 2018-02-21 Divya Palaniswamy , Ye Li , Bing Zhang

Fast radio bursts (FRBs) are pulsed radio signals with a duration of milliseconds and a large dispersion measure (DM). Recent observations indicate that FRB 180916 and FRB 121102 show periodic activities. Some theoretical models have been…

High Energy Astrophysical Phenomena · Physics 2022-03-11 Y. J. Wei , Z. Y. Zhao , F. Y. Wang