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Discovery of 30 Repeating Fast Radio Burst Sources and Uniform Population Statistics of 80 Repeating Sources from CHIME/FRB

We present 30 newly discovered repeating fast radio burst (FRB) sources from the second catalog of bursts detected by the FRB backend on the Canadian Hydrogen Intensity Mapping Experiment (CHIME/FRB). These repeaters have extragalactic…

High Energy Astrophysical Phenomena · Physics 2026-05-12 Amanda M. Cook , Kaitlyn Shin , Ziggy Pleunis , Maxwell Fine , Naman Jain , Derek Bingham , Alice P. Curtin , Gwendolyn Eadie , B. M. Gaensler , Jason W. T. Hessels , Calvin Leung , Robert Main , Nicole Mulyk , Ayush Pandhi , Paul Scholz , Seth R. Siegel , David C. Stenning , Thomas C. Abbott , Bridget C. Andersen , Mohit Bhardwaj , Alice Cai , Shami Chatterjee , Fengqiu Adam Dong , Emmanuel Fonseca , Danté M. Hewitt , Ronniy C. Joseph , Lordrick Kahinga , Mattias Lazda , Victoria M. Kaspi , Afrokk Khan , Bikash Kharel , Lluis Mas-Ribas , Kiyoshi W. Masui , Kyle McGregor , Daniele Michilli , Ryan Mckinven , Mason Ng , Kenzie Nimmo , Swarali Shivraj Patil , Aaron B. Pearlman , Mawson W. Sammons , Ketan R. Sand , Aylar Sedaei Oghani , Vishwangi Shah , Kendrick Smith , Ingrid Stairs , Tarik J. Zegmott

A fast radio burst source at a complex magnetised site in a barred galaxy

Fast radio bursts (FRBs) are highly dispersed millisecond-duration radio bursts. Recent observations of a Galactic FRB suggest that at least some FRBs originate from magnetars, but the origin of cosmological FRBs is still not settled. Here…

High Energy Astrophysical Phenomena · Physics 2022-10-26 H. Xu , J. R. Niu , P. Chen , K. J. Lee , W. W. Zhu , S. Dong , B. Zhang , J. C. Jiang , B. J. Wang , J. W. Xu , C. F. Zhang , H. Fu , A. V. Filippenko , E. W. Peng , D. J. Zhou , Y. K. Zhang , P. Wang , Y. Feng , Y. Li , T. G. Brink , D. Z. Li , W. Lu , Y. P. Yang , R. N. Caballero , C. Cai , M. Z. Chen , Z. G. Dai , S. G. Djorgovski , A. Esamdin , H. Q. Gan , P. Guhathakurta , J. L. Han , L. F. Hao , Y. X. Huang , P. Jiang , C. K. Li , D. Li , H. Li , X. Q. Li , Z. X. Li , Z. Y. Liu , R. Luo , Y. P. Men , C. H. Niu , W. X. Peng , L. Qian , L. M. Song , D. Stern , A. Stockton , J. H. Sun , F. Y. Wang , M. Wang , N. Wang , W. Y. Wang , X. F. Wu , S. Xiao , S. L. Xiong , Y. H. Xu , R. X. Xu , J. Yang , X. Yang , R. Yao , Q. B. Yi , Y. L. Yue , D. J. Yu , W. F. Yu , J. P. Yuan , B. B. Zhang , S. B. Zhang , S. N. Zhang , Y. Zhao , W. K. Zheng , Y. Zhu , J. H. Zou

A Distant Fast Radio Burst Associated to its Host Galaxy with the Very Large Array

We present the discovery and subarcsecond localization of a new Fast Radio Burst with the Karl G. Jansky Very Large Array and realfast search system. The FRB was discovered on 2019 June 14 with a dispersion measure of 959 pc/cm3. This is…

High Energy Astrophysical Phenomena · Physics 2020-09-30 C. J. Law , B. J. Butler , J. X. Prochaska , B. Zackay , S. Burke-Spolaor , A. Mannings , N. Tejos , A. Josephy , B. Andersen , P. Chawla , K. E. Heintz , K. Aggarwal , G. C. Bower , P. B. Demorest , C. D. Kilpatrick , T. J. W. Lazio , J. Linford , R. Mckinven , S. Tendulkar , S. Simha

The Variability of Persistent Radio Sources of Fast Radio Bursts

Over 700 bright millisecond-duration radio transients, known as Fast Radio Bursts (FRBs), have been identified to date. Nevertheless, the origin of FRBs remains unknown. The two repeating FRBs (FRB 20121102A and FRB 20190520B) have been…

High Energy Astrophysical Phenomena · Physics 2024-09-23 Ai Yuan Yang , Yi Feng , Chao-Wei Tsai , Di Li , Hui Shi , Pei Wang , Yuan-Pei Yang , Yong-Kun Zhang , Chen-Hui Niu , Ju-Mei Yao , Yu-Zhu Cui , Ren-Zhi Su , Xiao-Feng Li , Jun-Shuo Zhang , Yu-Hao Zhu , W. D. Cotton

Highly polarised microstructure from the repeating FRB 20180916B

Fast radio bursts (FRBs) are bright, coherent, short-duration radio transients of as-yet unknown extragalactic origin. FRBs exhibit a wide variety of spectral, temporal and polarimetric properties, which can unveil clues into their emission…

High Energy Astrophysical Phenomena · Physics 2021-01-06 K. Nimmo , J. W. T. Hessels , A. Keimpema , A. M. Archibald , J. M. Cordes , R. Karuppusamy , F. Kirsten , D. Z. Li , B. Marcote , Z. Paragi

Repeating fast radio bursts with WSRT/Apertif

Repeating fast radio bursts (FRBs) present excellent opportunities to identify FRB progenitors and host environments, as well as decipher the underlying emission mechanism. Detailed studies of repeating FRBs might also hold clues to the…

High Energy Astrophysical Phenomena · Physics 2020-03-11 L. C. Oostrum , Y. Maan , J. van Leeuwen , L. Connor , E. Petroff , J. J. Attema , J. E. Bast , D. W. Gardenier , J. E. Hargreaves , E. Kooistra , D. van der Schuur , A. Sclocco , R. Smits , S. M. Straal , S. ter Veen , D. Vohl , E. A. K. Adams , B. Adebahr , W. J. G. de Blok , R. H. van den Brink , W. A. van Cappellen , A. H. W. M. Coolen , S. Damstra , G. N. J. van Diepen , B. S. Frank , K. M. Hess , J. M. van der Hulst , B. Hut , M. V. Ivashina , G. M. Loose , D. M. Lucero , Á. Mika , R. H. Morganti , V. A. Moss , H. Mulder , M. J. Norden , T. A. Oosterloo , E. Orrú , J. P. R. de Reijer , M. Ruiter , N. J. Vermaas , S. J. Wijnholds , J. Ziemke

The magnetar model's energy crisis for a prolific repeating fast radio burst source

Fast radio bursts (FRBs) are widely considered to originate from magnetars that power the explosion through releasing magnetic energy. Active repeating FRBs have been seen to produce hundreds of bursts per hour and can stay active for…

High Energy Astrophysical Phenomena · Physics 2025-09-03 Jun-Shuo Zhang , Tian-Cong Wang , Pei Wang , Qin Wu , Di Li , Weiwei Zhu , Bing Zhang , He Gao , Ke-Jia Lee , Jinlin Han , Chao-Wei Tsai , Fayin Wang , Yong-Feng Huang , Yuan-Chuan Zou , Dengke Zhou , Wanjin Lu , Jintao Xie , Jianhua Fang , Jinhuang Cao , Chen-Chen Miao , Yuhao Zhu , Yunchuan Chen , Xiaofeng Cheng , Yinan Ke , Yong-Kun Zhang , Long-Xuan Zhang , Shuo Cao , Shiyan Tian , Zi-Wei Wu , Chunfeng Zhang , Jiarui Niu , Dejiang Zhou , Silu Xu , Bojun Wang , Huaxi Chen , Xiang-Lei Chen , Xianghan Cui , Yi Feng , Erbil Gügercinoğlu , Yu-Xiang Huang , Dongming Li , Dong-Zi Li , Ye Li , Lin Lin , Xiaohui Liu , Rui Luo , Jia-Wei Luo , Chen-Hui Niu , Qingyue Qu , Yuanhong Qu , Habtamu Menberu Tedila , Chengjie Wang , Wei-Yang Wang , Yabiao Wang , Yi-Dan Wang , Suming Weng , Yunsheng Wu , Heng Xu , Aiyuan Yang , Yuan-Pei Yang , Shihan Yew , Wenfei Yu , Lei Zhang , Rushuang Zhao

Magnetar Twists: Fermi/Gamma ray Burst Monitor (GBM) detection of SGR J1550-5418

SGR J1550-5418 (previously known as AXP 1E 1547.0-5408 or PSR J1550-5418) went into three active bursting episodes in 2008 October and in 2009 January and March, emitting hundreds of typical Soft Gamma Repeater (SGR) bursts in soft…

High Energy Astrophysical Phenomena · Physics 2014-11-20 Y. Kaneko , E. Gogus , C. Kouveliotou , J. Granot , E. Ramirez-Ruiz , A. J. van der Horst , A. L. Watts , M. H. Finger , N. Gehrels , A. Pe'er , M. van der Klis , A. von Kienlin , S. Wachter , C. A. Wilson-Hodge , P. M. Woods

An activity transition in FRB 20201124A: methodological rigor, detection of frequency-dependent cessation, and a geometric magnetar model

We report detections of fast radio bursts (FRBs) from the repeating source FRB 20201124A with Apertif/WSRT and GMRT, and measurements of basic burst properties, especially the dispersion measure (DM) and fluence. Based on comparisons of…

High Energy Astrophysical Phenomena · Physics 2025-04-23 A. V. Bilous , J. van Leeuwen , Y. Maan , I. Pastor-Marazuela , L. C. Oostrum , K. M. Rajwade , Y. Y. Wang

FAST observations of an extremely active episode of FRB 20201124A: IV. Spin Period Search

We report the properties of more than 800 bursts detected from the repeating fast radio burst (FRB) source FRB 20201124A with the Five-hundred-meter Aperture Spherical radio telescope (FAST) during an extremely active episode on UTC…

High Energy Astrophysical Phenomena · Physics 2023-01-04 Jia-Rui Niu , Wei-Wei Zhu , Bing Zhang , Mao Yuan , De-Jiang Zhou , Yong-Kun Zhang , Jin-Chen Jiang , J. L. Han , Di Li , Ke-Jia Lee , Pei Wang , Yi Feng , Dong-Zi Li , Rui Luo , Fa-Yin Wang , Zi-Gao Dai , Chen-Chen Miao , Chen-Hui Niu , Heng Xu , Chun-Feng Zhang , Wei-Yang Wang , Bo-Jun Wang , Jiang-Wei Xu

A HyperFlash and \'ECLAT view of the local environment and energetics of the repeating FRB 20240619D

Time-variable propagation effects provide a window into the local plasma environments of repeating fast radio burst (FRB) sources. Here we report high-cadence observations of FRB 20240619D, as part of the HyperFlash and \'ECLAT programs. We…

High Energy Astrophysical Phenomena · Physics 2026-02-11 O. S. Ould-Boukattine , A. J. Cooper , J. W. T. Hessels , D. M. Hewitt , S. K. Ocker , A. Moroianu , K. Nimmo , M. P. Snelders , I. Cognard , T. J. Dijkema , M. Fine , M. P. Gawroński , W. Herrmann , J. Huang , F. Kirsten , Z. Pleunis , W. Puchalska , S. Ranguin , T. Telkamp

Low-energy Radio Bursts from Magnetar XTE J1810$-$197: Implications for Fast Radio Bursts

Magnetars are the leading candidate sources of fast radio bursts (FRBs). However, the observational probes of the connections between magnetars and FRBs are severely limited by the paucity of detection of highly energetic radio events from…

High Energy Astrophysical Phenomena · Physics 2025-12-03 Banshi Lal , Yogesh Maan , Moaz Abdelmaguid , Visweshwar Ram Marthi , Joseph D. Gelfand , Samayra Straal

Connecting repeating and non-repeating fast radio bursts via their energy distributions

Fast radio bursts (FRBs) are extremely energetic, millisecond-duration radio flashes that reach Earth from extragalactic distances. Broadly speaking, FRBs can be classified as repeating or (apparently) non-repeating. It is still unclear,…

High Energy Astrophysical Phenomena · Physics 2023-06-28 F. Kirsten , O. Ould-Boukattine , W. Herrmann , M. Gawronski , J. Hessels , W. Lu , M. Snelders , P. Chawla , J. Yang , R. Blaauw , K. Nimmo , W. Puchalska , P. Wolak , R. van Ruiten

A Deep Targeted Search for Fast Radio Bursts from the Sites of Low-Redshift Short Gamma-Ray Bursts

Some short gamma-ray bursts (SGRBs) are thought to be caused by the mergers of binary neutron stars which may sometimes produce massive neutron star remnants capable of producing extragalactic fast radio bursts (FRBs). We conducted a deep…

High Energy Astrophysical Phenomena · Physics 2020-01-08 D. R. Madison , D. Agarwal , K. Aggarwal , O. Young , H. T. Cromartie , M. T. Lam , S. Chatterjee , J. M. Cordes , N. Garver-Daniels , D. R. Lorimer , R. S. Lynch , M. A. McLaughlin , S. M. Ransom , R. S. Wharton

A survey of FRB fields: Limits on repeatability

Several theories exist to explain the source of the bright, millisecond duration pulses known as fast radio bursts (FRBs). If the progenitors of FRBs are non-cataclysmic, such as giant pulses from pulsars, pulsar-planet binaries, or…

High Energy Astrophysical Phenomena · Physics 2015-09-30 E. Petroff , S. Johnston , E. F. Keane , W. van Straten , M. Bailes , E. D. Barr , B. R. Barsdell , S. Burke-Spolaor , M. Caleb , D. J. Champion , C. Flynn , A. Jameson , M. Kramer , C. Ng , A. Possenti , B. W. Stappers

A burst storm from the repeating FRB 20200120E in an M81 globular cluster

The repeating fast radio burst (FRB) source FRB 20200120E is exceptional because of its proximity and association with a globular cluster. Here we report $60$ bursts detected with the Effelsberg telescope at 1.4 GHz. We observe large…

High Energy Astrophysical Phenomena · Physics 2023-02-08 K. Nimmo , J. W. T. Hessels , M. P. Snelders , R. Karuppusamy , D. M. Hewitt , F. Kirsten , B. Marcote , U. Bach , A. Bansod , E. D. Barr , J. Behrend , V. Bezrukovs , S. Buttaccio , R. Feiler , M. P. Gawroński , M. Lindqvist , A. Orbidans , W. Puchalska , N. Wang , T. Winchen , P. Wolak , J. Wu , J. Yuan

Strong pulses detected from a rotating radio transient J1819$-$1458

We analyze individual pulses detected from RRAT J1819$-$1458. From April 2007 to April 2010, we carried out observations using the Nanshan 25-m radio telescope of Urumqi Observatory at a central frequency of 1541.25 MHz. We obtain a…

Solar and Stellar Astrophysics · Physics 2011-04-19 H. D. Hu , A. Esamdin , J. P. Yuan , Z. Y. Liu , R. X. Xu , J. Li , G. C. Tao , N. Wang

HXMT Identification of a non-thermal X-ray burst from SGR J1935+2154 and with FRB 200428

Fast radio bursts (FRBs) are short pulses observed in radio band from cosmological distances. One class of models invoke soft gamma-ray repeaters (SGRs), or magnetars, as the sources of FRBs. Some radio pulses have been observed from some…

High Energy Astrophysical Phenomena · Physics 2021-04-07 C. K. Li , L. Lin , S. L. Xiong , M. Y. Ge , X. B. Li , T. P. Li , F. J. Lu , S. N. Zhang , Y. L. Tuo , Y. Nang , B. Zhang , S. Xiao , Y. Chen , L. M. Song , Y. P. Xu , C. Z. Liu , S. M. Jia , X. L. Cao , J. L. Qu , S. Zhang , Y. D. Gu , J. Y. Liao , X. F. Zhao , Y. Tan , J. Y. Nie , H. S. Zhao , S. J. Zheng , Y. G. Zheng , Q. Luo , C. Cai , B. Li , W. C. Xue , Q. C. Bu , Z. Chang , G. Chen , T. X. Chen , Y. B. Chen , Y. P. Chen , W. Cui , W. W. Cui , J. K. Deng , Y. W. Dong , Y. Y. Du , M. X. Fu , G. H. Gao , H. Gao , M. Gao , Y. D. Gu , J. Guan , C. C. Guo , D. W. Han , Y. Huang , J. Huo , L. H. Jiang , W. C. Jiang , J. Jin , Y. J. Jin , L. D. Kong , G. Li , M. S. Li , W. Li , X. Li , X. F. Li , Y. G. Li , Z. W. Li , X. H. Liang , B. S. Liu , G. Q. Liu , H. W. Liu , X. J. Liu , Y. N. Liu , B. Lu , X. F. Lu , T. Luo , X. Ma , B. Meng , G. Ou , N. Sai , R. C. Shang , X. Y. Song , L. Sun , L. Tao , C. Wang , G. F. Wang , J. Wang , W. S. Wang , Y. S. Wang , X. Y. Wen , B. B. Wu , B. Y. Wu , M. Wu , G. C. Xiao , H. Xu , J. W. Yang , S. Yang , Y. J. Yang , Yi-Jung Yang , Q. B. Yi , Q. Q. Yin , Y. You , A. M. Zhang , C. M. Zhang , F. Zhang , H. M. Zhang , J. Zhang , T. Zhang , W. Zhang , W. C. Zhang , W. Z. Zhang , Y. Zhang , Yue Zhang , Y. F. Zhang , Y. J. Zhang , Z. Zhang , Zhi Zhang , Z. L. Zhang , D. K. Zhou , J. F. Zhou , Y. Zhu , Y. X. Zhu , R. L. Zhuang

Bright bursts with sub-millisecond structures of FRB 20230607A in a highly magnetized environment

We report the observations of a repeating FRB 20230607A for 15.6 hours spanning 16 months using the Five-hundred-meter Aperture Spherical Radio Telescope (FAST) with the detection of 565 bursts. We present three bright bursts with detailed…

High Energy Astrophysical Phenomena · Physics 2025-04-16 DeJiang Zhou , J. L. Han , Bing Zhang , WeiWei Zhu , Wei-yang Wang , Yuan-Pei Yang , Yuanhong Qu , Yong-Kun Zhang , Yi Yan , Wei-Cong Jing , Shuo Cao , Jintao Xie , Xuan Yang , Shiyan Tian , Ye Li , Dongzi Li , Jia-Rui Niu , Zi-Wei Wu , Qin Wu , Yi Feng , Fayin Wang , Pei Wang

Swift monitoring of the new accreting millisecond X-ray pulsar IGRJ17511-3057 in outburst

A new accreting millisecond X-ray pulsar, IGR J17511-3057, was discovered in outburst on 2009 September 12 during the INTEGRAL Galactic bulge monitoring programme. To study the evolution of the source X-ray flux and spectral properties…

High Energy Astrophysical Phenomena · Physics 2015-05-14 E. Bozzo , C. Ferrigno , M. Falanga , S. Campana , J. A. Kennea , A. Papitto