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Fast Radio Bursts (FRBs) are intense radio flashes from the sky that are characterized by millisecond durations and Jansky-level flux densities. We carried out a statistical analysis on FRBs discovered. Their mean dispersion measure, after…

高能天体物理现象 · 物理学 2017-02-01 LongBiao Li , YongFeng Huang , ZhiBin Zhang , Di Li , Bing Li

To investigate whether apparently non-repeating Fast Radio Bursts (FRBs) are truly one-off transients, we conducted systematic follow-up observations of 27 out of 81 non-repeating FRBs identified in the Parkes Transient Database. Using 59.0…

高能天体物理现象 · 物理学 2025-12-02 Xuan Yang , Songbo Zhang , Xuefeng Wu

The fast radio bursts ( FRBs ) are energetic radio bursts with millisecond duration only observed at radio frequencies. The generation mechanism is still mysterious. We have proposed a generation mechanism of both repeating and one-off…

高能天体物理现象 · 物理学 2021-09-01 Aiichi Iwazaki

Fast radio bursts (FRBs) are energetic, short-duration radio pulses of unclear origin. To explore effective survey strategies for detecting FRBs from nearby globular clusters (GCs), we investigate the burst energy distribution, which has a…

高能天体物理现象 · 物理学 2025-08-26 S. B. Zhang , G. Hobbs , S. Johnston , S. Dai , Y. Li , J. S. Wang , X. Yang , X. F. Wu , L. Staveley-Smith

We study the spectro-temporal characteristics of two repeating fast radio bursts (FRBs), namely, FRB 20180916B and FRB 20180814A, and combine the results with those from our earlier analysis on FRB 20121102A. The relationship between the…

高能天体物理现象 · 物理学 2021-08-25 Mohammed A. Chamma , Fereshteh Rajabi , Christopher M. Wyenberg , Abhilash Mathews , Martin Houde

Fast radio bursts (FRBs) are astronomical radio transients of unknown origin. A minority of FRBs have been observed to originate from repeating sources, and it is unknown which apparent one-off bursts are hidden repeaters. Recent studies…

高能天体物理现象 · 物理学 2024-09-13 Arjun Sharma , Vinesh Maguire Rajpaul

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…

高能天体物理现象 · 物理学 2020-04-22 G. Q. Zhang , S. X. Yi , F. Y. Wang

The polarization of fast radio bursts (FRBs), bright astronomical transients, contains crucial information about their environments. We report polarization measurements of five repeating FRBs, the abundant signals of which enable wide-band…

Fast radio bursts (FRBs) are bright radio transients of micro-to-millisecond duration and unknown extragalactic origin. Central to the mystery of FRBs are their extremely high characteristic energies, which surpass the typical energies of…

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…

高能天体物理现象 · 物理学 2024-04-26 Ze-Nan Liu , Zhao-Yang Xia , Shu-Qing Zhong , Fa-Yin Wang , Zi-Gao Dai

Fast radio bursts (FRBs) are sufficiently energetic to be detectable from luminosity distances up to at least seven billion parsecs (redshift $z > 1$). Probing the maximum energies and luminosities of FRBs constrains their emission…

Since the discovery of the first fast radio burst (FRB) in 2007, and their confirmation as an abundant extragalactic population in 2013, the study of these sources has expanded at an incredible rate. In our 2019 review on the subject we…

高能天体物理现象 · 物理学 2022-04-06 E. Petroff , J. W. T. Hessels , D. R. Lorimer

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…

高能天体物理现象 · 物理学 2020-04-29 Ben Margalit , Brian D. Metzger , Lorenzo Sironi

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,…

高能天体物理现象 · 物理学 2024-10-11 Ajay Kumar , Yogesh Maan , Yash Bhusare

We conduct a comprehensive spectro-temporal analysis of repeating Fast Radio Bursts (FRBs) utilizing nine distinct sources, the largest sample to date. Our data set includes 175 sub-bursts and 31 multi-component bursts from 11 data sets,…

高能天体物理现象 · 物理学 2024-01-31 Katie Brown , Mohammed A. Chamma , Fereshteh Rajabi , Aishwarya Kumar , Hosein Rajabi , Martin Houde

Extragalactic fast radio bursts (FRBs) are a new class of astrophysical transients with unknown origins that have become a main focus of radio observatories worldwide. FRBs are highly energetic ($\sim 10^{36}$-$10^{42}$ ergs) flashes that…

天体物理仪器与方法 · 物理学 2023-04-18 Masoud Rafiei-Ravandi , Kendrick M. Smith

Fast radio bursts (FRBs) are among the most energetic and enigmatic transients in the radio sky, with mounting evidence suggesting newborn, highly magnetized neutron stars formed in core-collapse supernovae (CCSNe) as their sources. A…

高能天体物理现象 · 物理学 2025-06-03 Wanqing Liu , Mohit Bhardwaj , Ben Margalit