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Related papers: Magnetars in Binaries as the Engine of Actively Re…

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Recent observations indicate that magnetars may commonly reside in merging compact binaries and at least part of fast radio bursts (FRBs) are sourced by magnetar activities. It is natural to speculate that a class of merging neutron star…

High Energy Astrophysical Phenomena · Physics 2023-09-19 Zhen Pan , Huan Yang , Kent Yagi

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

Context: Fast radio bursts (FRBs) are bright millisecond radio events of unknown extragalactic origin. Magnetars are among the main contenders. Some sources, the repeaters, produce multiple events but so far generally without the…

High Energy Astrophysical Phenomena · Physics 2025-10-08 Guillaume Voisin , Théo Francez

Fast radio bursts (FRBs) are mysterious millisecond-duration radio transients of unknown origin observed at extragalactic distances. It has been long speculated that magnetars are the engine powering repeating bursts from FRB sources, but…

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

Recently born magnetars are promising candidates for the engines powering fast radio bursts (FRBs). The focus thus far has been placed on millisecond magnetars born in rare core-collapse explosions, motivated by the star forming dwarf host…

High Energy Astrophysical Phenomena · Physics 2020-01-08 Ben Margalit , Edo Berger , Brian D. Metzger

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

Fast radio bursts (FRBs) are extragalactic, bright pulses of emission at radio frequency with milliseconds duration. Observationally, FRBs can be divided into two classes, repeating FRBs and non-repeating FRBs. At present, twenty repeating…

High Energy Astrophysical Phenomena · Physics 2020-04-22 G. Q. Zhang , S. X. Yi , F. Y. Wang

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

The non-detection of periodicity related to rotation challenges magnetar models for fast radio bursts (FRBs) with FRB emission from close to the magnetar surface. Moreover, a bimodal distribution of the burst waiting times is widely…

The recent discovery of a Galactic fast radio burst (FRB) occurring simultaneously with an X-ray burst (XRB) from the Galactic magnetar SGR J1935+2154 implies that at least some FRBs arise from magnetar activities. We propose that FRBs are…

High Energy Astrophysical Phenomena · Physics 2021-10-04 Yuan-Pei Yang , Bing Zhang

Fast Radio Bursts (FRBs) are intense, millisecond-duration radio transients that have recently been proposed to arise from coherent radiation mechanisms within the magnetosphere of neutron stars. Observations of repeating FRBs, including…

High Energy Astrophysical Phenomena · Physics 2025-04-28 Gong-Yu Yao , Can-Min Deng

Magnetars are neutron stars with extremely high magnetic fields that exhibit various X-ray phenomena such as sporadic sub-second bursts, long-term persistent flux enhancements, and variable rates of rotation period change. In 2020, a fast…

Fast radio bursts (FRBs) are cosmic sources emitting millisecond-duration radio bursts. Although several hundreds FRBs have been discovered, their physical nature and central engine remain unclear. The variations of Faraday rotation measure…

High Energy Astrophysical Phenomena · Physics 2022-09-23 F. Y. Wang , G. Q. Zhang , Z. G. Dai , K. S. Cheng

Fast Radio Bursts (FRBs) are millisecond-duration radio pulses with largely unknown origins, with a subset exhibiting repeating behavior. Magnetars highly magnetized neutron stars and a leading progenitor candidate for FRBs also produce…

High Energy Astrophysical Phenomena · Physics 2025-12-12 Ellen C. C. Lin , Shotaro Yamasaki , Tomotsugu Goto , Tetsuya Hashimoto

Some of the mysterious temporal properties of Fast Radio Bursts (FRB) may be explained if they are produced by dynamically triaxial magnetars. If the bursts are narrowly collimated along open field lines, then observed repeating FRB are…

High Energy Astrophysical Phenomena · Physics 2026-05-19 J. I. Katz

Fast radio bursts (FRBs) are short, intense extragalactic radio bursts of unknown origin. Recent polarimetric studies have shown that a noticeable fraction of the repeating FRBs display irregular, short-time variations of the Faraday…

High Energy Astrophysical Phenomena · Physics 2023-07-05 Dongzi Li , Anna Bilous , Scott Ransom , Robert Main , Yuan-Pei Yang

The recurrent fast radio burst FRB 180916 was recently shown to exhibit a 16 day period (with possible aliasing) in its bursting activity. Given magnetars as widely considered FRB sources, this period has been attributed to precession of…

High Energy Astrophysical Phenomena · Physics 2020-07-01 Paz Beniamini , Zorawar Wadiasingh , Brian D. Metzger

A luminous radio burst was recently detected in temporal coincidence with a hard X-ray flare from the Galactic magnetar SGR 1935+2154 with a time and frequency structure consistent with cosmological fast radio bursts (FRB) and a fluence…

High Energy Astrophysical Phenomena · Physics 2020-08-26 Ben Margalit , Paz Beniamini , Navin Sridhar , Brian D. Metzger
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