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Fast radio bursts (FRBs) are short-duration radio transients of unknown origin. Thus far, they have been blindly detected at millisecond timescales with dispersion measures (DMs) between 110--2600\,pc\,cm$^{-3}$. However, the observed pulse…

High Energy Astrophysical Phenomena · Physics 2019-07-10 Liam Connor

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

We present constraints on the origins of fast radio bursts (FRBs) using large cosmological simulations. We calculate contributions to FRB dispersion measures (DMs) from the Milky Way, from the local Universe, from cosmological large-scale…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-25 K. Dolag , B. M. Gaensler , A. M. Beck , M. C. Beck

Fast radio bursts (FRBs) are brief, high-energy bursts of radio waves from extragalactic sources, and their origin remains an open question. In this paper, we perform a comprehensive analysis of the FRB population using the first CHIME/FRB…

High Energy Astrophysical Phenomena · Physics 2025-09-12 Qing-Zhen Lei , Xin-Zhe Wang , Can-Min Deng

Fast radio bursts (FRBs) have been found in great numbers, but the physical mechanism of these sources is still a mystery. The redshift evolutions of the FRB energy distribution function and the volumetric rate shed light on the origin of…

High Energy Astrophysical Phenomena · Physics 2024-05-09 Ji-Guo Zhang , Yichao Li , Jia-Ming Zou , Ze-Wei Zhao , Jing-Fei Zhang , Xin Zhang

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

We examine how the various observable statistical properties of the FRB population relate back to their fundamental physical properties in a model independent manner. We analyse the flux density and fluence distributions of Fast Radio…

High Energy Astrophysical Phenomena · Physics 2018-08-08 Jean-Pierre Macquart , Ron Ekers

We estimate the upper limit redshifts of known FRBs using the dispersion measure (DM) - redshift ($z$) relation and derive the upper limit peak luminosity $L_p$ and energy $E$ of FRBs within the observational band. The average $z$ upper…

High Energy Astrophysical Phenomena · Physics 2018-11-14 Bing Zhang

Fast Radio Bursts (FRBs) are millisecond transient radio events with a high energy. By identifying the origin of the \textbf{burst}, it is possible to measure the redshift of the host galaxy, which can be used to constrain cosmological and…

Cosmology and Nongalactic Astrophysics · Physics 2024-02-27 Thais Lemos , Rodrigo S. Gonçalves , Joel C. Carvalho , Jailson S. Alcaniz

This theoretical work investigates different models to predict the redshift of Fast Radio Bursts (FRBs) from their observed dispersion measure (DM) and other reported properties. We performed an extensive revision of the FRBs with confirmed…

Cosmology and Nongalactic Astrophysics · Physics 2025-11-13 Luz Ángela García , Eduard Piratova-Moreno , Felipe González-Alarcón , Jhonier Rangel

The Parkes, ASKAP, CHIME and UTMOST telescopes, which have all detected FRBs, each works at a different frequency and has a different detection criteria. Using simulations, we have combined the constraints from all four telescopes to…

High Energy Astrophysical Phenomena · Physics 2021-01-20 Siddhartha Bhattacharyya , Somnath Bharadwaj

Fast radio bursts (FRBs) are millisecond-duration radio transients from cosmological distances. Their isotropic energies follow a power-law distribution with a possible exponential cutoff, but their intrinsic redshift distribution, which…

High Energy Astrophysical Phenomena · Physics 2020-11-25 Rachel C. Zhang , Bing Zhang , Ye Li , Duncan R. Lorimer

Fast Radio Bursts (FRBs) are a promising tool for studying the low-density universe as their dispersion measures (DM) are extremely sensitive probes of electron column density. Active Galactic Nuclei (AGN) inject energy into the…

Astrophysics of Galaxies · Physics 2022-03-14 Adam J. Batten , Alan R. Duffy , Chris Flynn , Vivek Gupta , Emma Ryan-Weber , Nastasha Wijers

Statistical interpretation of sparsely sampled event rates has become vital for new transient surveys, particularly those aimed at detecting fast radio bursts (FRBs). We provide an accessible reference for a number of simple, but critical,…

Instrumentation and Methods for Astrophysics · Physics 2016-12-06 Scott Vander Wiel , Sarah Burke-Spolaor , Earl Lawrence , Casey J. Law , Geoffrey C. Bower

Fast radio bursts (FRBs) are extremely powerful sources of radio waves observed at cosmological distances. We use a sophisticated model of FRB observations -- presented in detail in a companion paper -- to fit FRB population parameters…

High Energy Astrophysical Phenomena · Physics 2021-11-17 C. W. James , J. X. Prochaska , J. -P. Macquart , F. North-Hickey , K. W. Bannister , A. Dunning

Quantifying the maximum energy of fast radio bursts (FRBs) can provide stringent constraints on their emission mechanisms and progenitor models. However, the most energetic bursts are rare, requiring a large sample of FRBs to detect them.…

We explore the burst energy distribution of fast radio bursts (FRBs) in the low-twist magnetar model of Wadiasingh and Timokhin (2019). Motivated by the power-law fluence distributions of FRB 121102, we propose an elementary model for the…

Fast radio bursts (FRB) are millisecond-duration radio pulses with apparent extragalactic origins. All but two of the FRBs have been discovered using the Parkes dish which employs multiple beams formed by an array of feed horns on its focal…

High Energy Astrophysical Phenomena · Physics 2016-10-19 H. K. Vedantham , V. Ravi , G. Hallinan , R. Shannon