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We present a method to estimate the source properties of FRBs from observations by assuming a fixed DM contribution from a MW-like host galaxy, pulse temporal broadening models for turbulent plasma and a flat FRB energy spectrum. We then…

High Energy Astrophysical Phenomena · Physics 2020-11-11 Mukul Bhattacharya , Pawan Kumar

Fast radio bursts (FRBs) are enigmatic millisecond-duration radio transients whose physical origins remain debated. To shed light on this, we analyze the CHIME/FRB Catalog 2. By using the probability distribution of dispersion measured (DM)…

High Energy Astrophysical Phenomena · Physics 2026-04-30 X. D. Jia , D. H. Gao , J. H. Chen , Q. Wu , S. X. Yi , F. Y. Wang

Fast Radio Bursts (FRBs) are extragalactic transients of (sub-)millisecond duration that show wide-ranging spectral, temporal, and polarimetric properties. The polarimetric analysis of FRBs can be used to probe intervening media, study the…

High Energy Astrophysical Phenomena · Physics 2023-11-10 Pavan A. Uttarkar , R. M. Shannon , K. Gourdji , A. T. Deller , C. K. Day , S. Bhandari

Fast Radio Bursts (FRBs) are extragalactic millisecond-duration radio transients whose nature remains unknown. The advent of numerous facilities conducting dedicated FRB searches has dramatically revolutionised the field: hundreds of new…

High Energy Astrophysical Phenomena · Physics 2024-12-03 Inés Pastor-Marazuela

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…

High Energy Astrophysical Phenomena · Physics 2024-09-13 Arjun Sharma , Vinesh Maguire Rajpaul

Currently, fast radio bursts (FRBs) have become a very active field in astronomy and cosmology. However, the origin of FRBs is still unknown to date. The studies on the intrinsic FRB distributions might help us to reveal the possible…

High Energy Astrophysical Phenomena · Physics 2022-01-21 Da-Chun Qiang , Shu-Ling Li , Hao Wei

Fast Radio Bursts (FRBs) are highly energetic radio transients with millisecond duration, whose physical origin is still unknown. Many models consider magnetars as possible FRB sources, supported by the observational association of FRBs…

High Energy Astrophysical Phenomena · Physics 2024-09-25 Barbara Patricelli , Maria Grazia Bernardini , Matteo Ferro

The increasing field of view of radio telescopes and improved data processing capabilities have led to a surge in the detection of Fast Radio Bursts (FRBs). The discovery rate of FRBs is already a few per day and is expected to increase…

Instrumentation and Methods for Astrophysics · Physics 2026-04-08 Ajay Kumar , Ashish A. Mahabal , Shriharsh P. Tendulkar

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

Fast radio burst (FRB) is a type of extragalactic radio signal characterized by millisecond duration, extremely high brightness temperature, and large dispersion measure. It remains a mystery in the universe. Advancements in instrumentation…

High Energy Astrophysical Phenomena · Physics 2024-09-23 Qin Wu , Fa-Yin Wang

Fast Radio Bursts (FRBs) are mysterious bursts in the millisecond timescale at radio wavelengths. Currently, there is little understanding about the classification of repeating FRBs, based on difference in physics, which is of great…

High Energy Astrophysical Phenomena · Physics 2023-07-12 Bjorn Jasper R. Raquel , Tetsuya Hashimoto , Tomotsugu Goto , Bo Han Chen , Yuri Uno , Tiger Yu-Yang Hsiao , Seong Jin Kim , Simon C. -C. Ho

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 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…

High Energy Astrophysical Phenomena · Physics 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

Recently, CHIME/FRB project published its first fast radio burst (FRB) catalog (hereafter, Catalog 1), which totally contains 536 unique bursts. With the help of the latest set of FRBs in this large-size catalog, we aim to investigate the…

High Energy Astrophysical Phenomena · Physics 2023-05-24 Jianwei Zhang , Chengmin Zhang , Di Li , Wuming Yang , Xianghan Cui , ChangQing Ye , Dehua Wang , Yiyan Yang , Shaolan Bi , Xianfei Zhang

Fast radio bursts (FRBs) are quickly becoming a subject of intense interest in time-domain astronomy. The progenitors of FRBs remain unknown but a wide variety of models exist from cataclysmic to repeating scenarios. Advances in FRB…

High Energy Astrophysical Phenomena · Physics 2017-09-08 E. Petroff

Assuming that Fast Radio Bursts (FRBs) are of extragalactic origin, we have developed a formalism to predict the FRB detection rate and the redshift distribution of the detected events for a telescope with given parameters. We have adopted…

High Energy Astrophysical Phenomena · Physics 2016-02-17 Apurba Bera , Siddhartha Bhattacharyya , Somnath Bharadwaj , N. D. Ramesh Bhat , Jayaram N. Chengalur

Regardless of whether or not all fast radio bursts (FRBs) repeat, those that do form a population with a distribution of rates. This work considers a power-law model of this population, with rate distribution $\Phi_r \sim R^{\gamma_r}$…

High Energy Astrophysical Phenomena · Physics 2023-09-19 C. W. James

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

Understanding the origin of fast radio bursts (FRB's) is a central unsolved problem in astrophysics that is severely hampered by their poorly determined distance scale. Determining the redshift distribution of FRB's appears to require…

Cosmology and Nongalactic Astrophysics · Physics 2020-07-22 Masoud Rafiei-Ravandi , Kendrick M. Smith , Kiyoshi W. Masui

The dispersion measures (DMs) of Fast Radio Bursts (FRBs) arise predominantly from free electrons in the large-scale structure of the Universe. The increasing number of FRB observations have started to empirically constrain the distribution…

Cosmology and Nongalactic Astrophysics · Physics 2025-07-18 Ralf M. Konietzka , Liam Connor , Vadim A. Semenov , Angus Beane , Volker Springel , Lars Hernquist