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We report on the optical spectroscopic observations of the host galaxy of the hyperactive repeating fast radio burst, FRB 20240114A. The host galaxy is a dwarf galaxy at a redshift of $z=0.1306\pm0.0002$. With a rest-frame coverage of…

Fast Radio Bursts (FRBs) are transient sources that emit a single radio pulse with a duration of only a few milliseconds. Since the discovery of the first FRB in 2007, tens of similar events have been detected. However, their physical…

High Energy Astrophysical Phenomena · Physics 2019-01-25 B. Marcote , Z. Paragi

The discovery of Persistent Radio Sources (PRSs) associated with three repeating fast radio bursts (FRBs) has provided insight into the local environments of these FRBs. Here, we present deep radio observations of the fields surrounding…

High Energy Astrophysical Phenomena · Physics 2025-09-10 Yash Bhusare , Yogesh Maan , Ajay Kumar

We report on the host association of FRB 20181030A, a repeating fast radio burst (FRB) with a low dispersion measure (DM, 103.5 pc cm$^{-3}$) discovered by CHIME/FRB Collaboration et al. (2019a). Using baseband voltage data saved for its…

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

We present the discovery of as-of-yet non-repeating Fast Radio Burst (FRB), FRB 20210117A, with the Australian Square Kilometer Array Pathfinder (ASKAP) as a part of the Commensal Real-time ASKAP Fast Transients (CRAFT) Survey. The…

Fast Radio Bursts (FRBs) are extremely luminous and brief signals (with duration of milliseconds or even shorter) of extragalactic origin. Despite the fact that hundreds of FRBs have been discovered to date, their nature still remains…

High Energy Astrophysical Phenomena · Physics 2022-06-13 B. Marcote , F. Kirsten , J. W. T. Hessels , K. Nimmo , Z. Paragi

Precise localizations of a small number of repeating fast radio bursts (FRBs) using very long baseline interferometry (VLBI) have enabled multiwavelength follow-up observations revealing diverse local environments. However, the 2--3\% of…

High Energy Astrophysical Phenomena · Physics 2025-06-25 FRB Collaboration , Thomas C. Abbott , Daniel Amouyal , Shion E. Andrew , Kevin Bandura , Mohit Bhardwaj , Kalyani Bhopi , Yash Bhusare , Charanjot Brar , Alice Cai , Tomas Cassanelli , Shami Chatterjee , Jean-François Cliche , Amanda M. Cook , Alice P. Curtin , Evan Davies-Velie , Matt Dobbs , Fengqiu Adam Dong , Yuxin Dong , Gwendolyn Eadie , Tarraneh Eftekhari , Wen-fai Fong , Emmanuel Fonseca , B. M. Gaensler , Nina Gusinskaia , Jason W. T. Hessels , Danté M. Hewitt , Jeff Huang , Naman Jain , Ronniy. C. Joseph , Lordrick Kahinga , Victoria M. Kaspi , Afrasiyab , Khan , Bikash Kharel , Adam E. Lanman , Magnus L'Argent , Mattias Lazda , Calvin Leung , Robert Main , Lluis Mas-Ribas , Kiyoshi W. Masui , Kyle McGregor , Ryan Mckinven , Juan Mena-Parra , Daniele Michilli , Nicole Mulyk , Mason Ng , Kenzie Nimmo , Ayush Pandhi , Swarali Shivraj Patil , Aaron B. Pearlman , Ue-Li Pen , Ziggy Pleunis , J. Xavier Prochaska , Masoud Rafiei-Ravandi , Scott M. Ransom , Gurman Sachdeva , Mawson W. Sammons , Ketan R. Sand , Paul Scholz , Vishwangi Shah , Kaitlyn Shin , Seth R. Siegel , Sunil Simha , Kendrick Smith , Ingrid Stairs , David C. Stenning , Haochen Wang , Thomas Boles , Ismaël Cognard , Tammo Jan Dijkema , Alexei V. Filippenko , Marcin P. Gawroński , Wolfgang Herrmann , Charles D. Kilpatrick , Franz Kirsten , Shawn Knabel , Omar S. Ould-Boukattine , Hadrien Paugnat , Weronika Puchalska , William Sheu , Aswin Suresh , Aaron Tohuvavohu , Tommaso Treu , WeiKang Zheng

FRB 20220610A is a high-redshift Fast Radio Burst (FRB) that has not been observed to repeat. Here, we present rest-frame UV and optical $\textit{Hubble Space Telescope}$ observations of the field of FRB 20220610A. The imaging reveals seven…

Fast Radio Bursts (FRBs) are bright radio transients with millisecond durations which typically occur at extragalactic distances. The association of FRB 20200428 with the Galactic magnetar SGR J1935+2154 strongly indicates that they could…

High Energy Astrophysical Phenomena · Physics 2024-12-13 Chen Du , Yong-Feng Huang , Zhi-Bin Zhang , Alexander Rodin , Viktoriya Fedorova , Abdusattar Kurban , Di Li

The repeating FRB 20201124A was first discovered by CHIME/FRB in November of 2020, after which it was seen to repeat a few times over several months. It entered a period of high activity in April of 2021, at which time several observatories…

Intense, millisecond-duration bursts of radio waves have been detected from beyond the Milky Way [1]. Their extragalactic origins are evidenced by their large dispersion measures, which are greater than expected for propagation through the…

High Energy Astrophysical Phenomena · Physics 2019-07-03 V. Ravi , M. Catha , L. D'Addario , S. G. Djorgovski , G. Hallinan , R. Hobbs , J. Kocz , S. R. Kulkarni , J. Shi , H. K. Vedantham , S. Weinreb , D. P. Woody

We report on improved sky localizations of thirteen repeating fast radio bursts (FRBs) discovered by CHIME/FRB via the use of interferometric techniques on channelized voltages from the telescope. These so-called 'baseband localizations'…

Localisation of fast radio bursts (FRBs) to arcsecond and sub-arcsecond precision maximizes their potential as cosmological probes. To that end, FRB detection instruments are deploying triggered complex-voltage capture systems to localize…

We present Effelsberg 100-m telescope observations of the hyperactive repeating fast radio burst source FRB 20240110A, discovered by CHIME/FRB in January 2024. Using the Ultra BroadBand (UBB) receiver, spanning 1.3-6.0 GHz, we detected over…

High Energy Astrophysical Phenomena · Physics 2026-05-06 P. Limaye , L. G. Spitler , N. Manaswini , J. Benáček , F. Eppel , M. Kadler , L. Nicotera , J. Wongphechauxsorn

We report the observations of the highly active FRb20201124A with the upgraded Giant Metrewave Radio Telescope at 550-750~MHz. These observations in the incoherent array mode simultaneously provided an arcsecond localization of bursts from…

High Energy Astrophysical Phenomena · Physics 2021-11-03 V. R. Marthi , S. Bethapudi , R. A. Main , H. -H. Lin , L. G. Spitler , R. S. Wharton , D. Z. Li , T. G. Gautam , U. -L. Pen , G. H. Hilmarsson

Fast radio bursts (FRBs) are immensely energetic millisecond-duration radio pulses. Observations indicate that nearby FRBs can be produced by old stellar populations, as suggested by the localization of the repeating source FRB 20200120E in…

High Energy Astrophysical Phenomena · Physics 2024-08-01 S. B. Zhang , J. S. Wang , X. Yang , Y. Li , J. J. Geng , Z. F. Tang , C. M. Chang , J. T. Luo , X. C. Wang , X. F. Wu , Z. G. Dai , B. Zhang