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Related papers: Systematic performance of the ASKAP Fast Radio Bur…

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The distances to fast radio bursts (FRBs) are crucial for understanding their underlying engine, and for their use as cosmological probes. In this paper, we provide three statistical estimates of the distance to ASKAP FRBs. First, we show…

High Energy Astrophysical Phenomena · Physics 2019-02-27 Dongzi Li , Almog Yalinewich , Patrick C. Breysse

Fast radio bursts (FRBs) are the first cosmological radio sources that vary on millisecond timescales, which makes them a unique probe of the Universe. Many proposed applications of FRBs require associated redshifts. These can only be…

High Energy Astrophysical Phenomena · Physics 2023-06-28 Joscha N. Jahns , Laura G. Spitler , Charles R. H. Walker , Carlton M. Baugh

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

Since January 2017, the Commensal Real-time ASKAP Fast Transients survey (CRAFT) has been utilising commissioning antennas of the Australian SKA Pathfinder (ASKAP) to survey for fast radio bursts (FRBs) in fly's eye mode. This is the first…

The recent increase in well-localised fast radio bursts (FRBs) has facilitated in-depth studies of global FRB host properties, the source circumburst medium, and the potential impacts of these environments on the burst properties. The…

Instrumentation and Methods for Astrophysics · Physics 2021-09-29 Cherie K. Day , Adam T. Deller , Clancy W. James , Emil Lenc , Shivani Bhandari , R. M. Shannon , Keith W. Bannister

Fast radio bursts (FRBs) are brief flashes of emission detectable to cosmological distances. Cosmology applications rely on an understanding of how the detected sample relates to the underlying population. To this end we examine the…

High Energy Astrophysical Phenomena · Physics 2026-02-27 E. F. Keane , D. J. McKenna

Fast Radio Bursts (FRBs) are short, intense radio signals from distant astrophysical sources, and their accurate localisation is crucial for probing their origins and utilising them as cosmological tools. This study focuses on improving the…

Instrumentation and Methods for Astrophysics · Physics 2025-06-18 Akhil Jaini , Adam T. Deller , Yuanming Wang , Emil Lenc , Marcin Glowacki

We have conducted a search for bright repeating Fast Radio Bursts in our nearby Universe with the Australian Square Kilometer Array Pathfinder (ASKAP) in single-dish mode. We used eight ASKAP 12-m dishes, each equipped with a Chequerboard…

High Energy Astrophysical Phenomena · Physics 2019-03-27 S. Bhandari , K. W. Bannister , C. W. James , R. M. Shannon , C. M. Flynn , M. Caleb , J. D. Bunton

Fast radio bursts (FRBs), millisecond-duration radio transient events, possess the potential to serve as excellent cosmological probes. The FRB redshift distribution contains information about the FRB sources, providing key constraints on…

Cosmology and Nongalactic Astrophysics · Physics 2025-03-25 Hui Peng , Yu Yu

We report the results from a survey of the Galactic plane for dispersed single pulses using the Australian SKA Pathfinder (ASKAP). We searched for rare bright dispersed radio pulses comprising 160 pointings covering 4800 deg$^2$ of the…

High Energy Astrophysical Phenomena · Physics 2019-03-20 Hao Qiu , K. W. Bannister , R. M. Shannon , Tara Murphy , Shivani Bhandari , Devansh Agarwal , D. R. Lorimer , J. D. Bunton

Fast Radio Bursts (FRBs) are short-duration radio transients that occur at random times in host galaxies distributed all over the sky. Large field of view instruments can play a critical role in the blind search for rare FRBs. We present a…

Instrumentation and Methods for Astrophysics · Physics 2024-11-04 R. Luo , R. D. Ekers , G. Hobbs , A. Dunning , C. W. James , M. E. Lower , V. Gupta , A. Zic , M. Sokolowski , C. Phillips , A. T. Deller , L. Staveley-Smith

The detection of fast radio bursts (FRBs) in radio astronomy is a complex task due to the challenges posed by radio frequency interference (RFI) and signal dispersion in the interstellar medium. Traditional search algorithms are often…

Instrumentation and Methods for Astrophysics · Physics 2024-10-07 Yong-Kun Zhang , Di Li , Yi Feng , Chao-Wei Tsai , Pei Wang , Chen-Hui Niu , Hua-Xi Chen , Yu-Hao Zhu

Fast radio bursts (FRBs) are highly dispersed, sporadic radio pulses that are likely extragalactic in nature. Here we investigate the constraints on the source population from surveys carried out at frequencies $<1$~GHz. All but one FRB has…

High Energy Astrophysical Phenomena · Physics 2016-12-21 Kaustubh Rajwade , Duncan Lorimer

Although there has recently been tremendous progress in studies of fast radio bursts (FRBs), the nature of their progenitors remains a mystery. We study the fluence and dispersion measure (DM) distributions of the ASKAP sample to better…

High Energy Astrophysical Phenomena · Physics 2019-09-25 Wenbin Lu , Anthony L. Piro

Active repeating Fast Radio Bursts (FRBs), with their large number of bursts, burst energy distribution, and their potential energy evolution, offer critical insights into the FRBs emission mechanisms. Traditional pipelines search for…

Searches for impulsive, astrophysical transients are often highly computationally demanding. A notable example is the dedispersion process required for performing blind searches for Fast Radio Bursts (FRBs) in radio telescope data. We…

Instrumentation and Methods for Astrophysics · Physics 2024-12-17 Vivek Gupta , Keith Bannister , Chris Flynn , Clancy James

Searching for fleeting radio transients like fast radio bursts (FRBs) with wide-field radio telescopes has become a common challenge in data-intensive science. Conventional algorithms normally cost enormous time to seek candidates by…

Instrumentation and Methods for Astrophysics · Physics 2025-12-23 Yao Chen , Rui Luo , Chen Wang , Yong-Kun Zhang , Shiqian Zhao , Chengbing Lyu , ZePeng Zheng , Hai Lei , DeJiang Zhou , Chenhui Niu , JinLin Han , George Hobbs , Di Li , Chengwei Liang , Siyi Tan , Ting Tian

The V-FASTR experiment on the Very Long Baseline Array was designed to detect dispersed pulses of milliseconds duration, such as fast radio bursts (FRBs). We use all V-FASTR data through February 2015 to report V-FASTR's upper limits on the…

In this study, we present a transformer-based multi-task model for Fast Radio Burst (FRB) detection, signal segmentation, and parameter estimation directly from time-frequency data, without requiring computationally expensive de-dispersion…