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Fast radio bursts (FRBs) are commonly classified into repeating and apparently nonrepeating sources, yet whether this distinction reflects intrinsically different physical populations remains uncertain. Using the Second CHIME/FRB Catalog,…

High Energy Astrophysical Phenomena · Physics 2026-03-16 Wan-Peng Sun , Yin-Long Cao , Yong-Kun Zhang , Ji-Guo Zhang , Xiaohui Liu , Yichao Li , Fu-Wen Zhang , Wan-Ting Hou , Jing-Fei Zhang , Xin Zhang

Repeating Fast Radio Bursts (FRBs) can exhibit a wide range of burst repetition rates, from none to hundreds of bursts per hour. Here, we report the detection and characteristics of 60 bursts from the recently discovered FRB 20240114A,…

High Energy Astrophysical Phenomena · Physics 2024-10-11 Ajay Kumar , Yogesh Maan , Yash Bhusare

We present Effelsberg 100-m telescope observations of the hyperactive repeating fast radio burst source FRB 20240110A, discovered by CHIME/FRB in January 2024. Using the Ultra BroadBand (UBB) receiver, spanning 1.3-6.0 GHz, we detected over…

High Energy Astrophysical Phenomena · Physics 2026-05-06 P. Limaye , L. G. Spitler , N. Manaswini , J. Benáček , F. Eppel , M. Kadler , L. Nicotera , J. Wongphechauxsorn

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

Fast radio bursts (FRBs) are mysterious millisecond pulses in radio, most of which originate from distant galaxies. Revealing the origin of FRBs is becoming central in astronomy. The redshift evolution of the FRB energy function, i.e., the…

Fast radio bursts (FRBs) are luminous, millisecond-duration transients that offer great potential for probing the universe, yet their physical origins remain unclear. The dispersion measure (DM) and scattering time ($\tau$) distributions…

High Energy Astrophysical Phenomena · Physics 2025-06-24 Jian-Feng Mo , Weishan Zhu , Long-Long Feng

Fast radio bursts (FRBs) are millisecond-duration intense radio flares occurring at cosmological distances. Many models have been proposed to explain these topical astronomical events, but none has so far been confirmed. Here we show that a…

High Energy Astrophysical Phenomena · Physics 2017-11-27 Sudip Bhattacharyya

FRBs are puzzling, millisecond, energetic radio transients with no discernible source; observations show no counterparts in other frequency bands. The birth of a quark star from a parent neutron star experiencing a quark nova - previously…

High Energy Astrophysical Phenomena · Physics 2016-05-25 Zachary Shand , Amir Ouyed , Nico Koning , Rachid Ouyed

Fast radio bursts (FRBs) are millisecond pulses of radio emission of seemingly extragalactic origin. More than 50 FRBs have now been detected, with only one seen to repeat. Here we present a new FRB discovery, FRB 110214, which was detected…

Fast radio bursts (FRBs) are one of the most tantalizing mysteries of the radio sky; their progenitors and origins remain unknown and until now no rapid multiwavelength follow-up of an FRB has been possible. New instrumentation has…

Fast radio bursts (FRBs) are millisecond-duration extragalactic radio transients. They apparently fall into repeaters and non-repeaters. However, such a classification has lacked a motivation on the physical picture. Here we propose a…

High Energy Astrophysical Phenomena · Physics 2024-04-26 Ze-Nan Liu , Zhao-Yang Xia , Shu-Qing Zhong , Fa-Yin Wang , Zi-Gao Dai

The origin of fast radio bursts (FRBs), the brightest cosmic radio explosions, is still unknown. Bearing critical clues to FRBs' origin, the long-term evolution of FRBs has yet to be confirmed, since the field is still young and most FRBs…

A correlation between the intrinsic energy and the burst duration of non-repeating fast radio bursts (FRBs) has been reported. If it exists, the correlation can be used to estimate intrinsic energy from the duration, and thus can provide us…

Cosmology and Nongalactic Astrophysics · Physics 2022-07-20 Seong Jin Kim , Tetsuya Hashimoto , Bo Han Chen , Tomotsugu Goto , Simon C. -C. Ho , Tiger Yu-Yang Hsiao , Yi Hang Valerie Wong , Shotaro Yamasaki

Fast radio bursts (FRBs) are millisecond-duration radio transients whose physical origin remains uncertain. Magnetar-based models, motivated by observed properties such as polarization and large rotation measures, suggest that FRB emission…

High Energy Astrophysical Phenomena · Physics 2026-05-12 Jun-Yi Shen , Yuan-Chuan Zou

Fast radio bursts (FRBs), millisecond-duration bursts prevailing in the radio sky, are the latest big puzzle in the universe and have been a subject of intense observational and theoretical investigations in recent years. The rapid…

High Energy Astrophysical Phenomena · Physics 2024-01-05 Bing Zhang

The engines that produce extragalactic fast radio bursts (FRBs), and the mechanism by which the emission is generated, remain unknown. Many FRB models predict prompt multi-wavelength counterparts, which can be used to refine our knowledge…

High Energy Astrophysical Phenomena · Physics 2020-07-22 Ge Chen , Vikram Ravi , Wenbin Lu

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 mysterious radio bursts with a time scale of approximately milliseconds. Two populations of FRB, namely repeating and non-repeating FRBs, are observationally identified. However, the differences between these…

We collect 133 Fast Radio Bursts (FRBs), including 110 non-repeating and 23 repeating ones, and systematically investigate their observational properties. To check the frequency dependence of FRB classifications, we define our samples with…

High Energy Astrophysical Phenomena · Physics 2022-01-05 X. J. Li , X. F. Dong , Z. B. Zhang , D. Li
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