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We report on the detection of a burst from FRB180916 by realfast/VLA and present software for interpreting fast radio bursts (FRB) periodicity. We demonstrate a range of periodicity analyses with bursts from FRB180916, FRB121102 and…

High Energy Astrophysical Phenomena · Physics 2020-06-30 Kshitij Aggarwal , Casey J. Law , Sarah Burke-Spolaor , Geoffrey Bower , Bryan J. Butler , Paul Demorest , Justin Linford , T. J. W. Lazio

The nature of fast radio bursts (FRBs), which occurs on millisecond time scales in the radio band, has not been well-understood. Among their unknown observational properties are their broadband spectra and persistent and transient…

High Energy Astrophysical Phenomena · Physics 2020-01-08 Shangyu Sun , Wenfei Yu , Yunwei Yu , Dongming Mao , Jie Lin

Fast radio bursts (FRBs) are bright, millisecond-duration radio pulses whose origins are unknown. To date, only one (FRB 121102) out of several dozen has been seen to repeat, though the extent to which it is exceptional remains unclear. We…

High Energy Astrophysical Phenomena · Physics 2018-07-11 Liam Connor , Emily Petroff

A firm establishment of the presence or the lack of periodicity in repeating Fast Radio Bursts (FRBs) is crucial for determining their origins. Here we compile 1145 radio bursts of FRB 20121102A with fluence larger than 0.15 Jy ms from…

High Energy Astrophysical Phenomena · Physics 2024-04-26 Jixuan Li , Yang Gao , Di Li , Kinwah Wu

Nearly 700 fast radio burst (FRB) sources have been detected till now, among which 29 FRBs are found to burst out repeatedly. Although a firm connection between at least some FRBs and magnetars has been established, the trigger mechanism…

High Energy Astrophysical Phenomena · Physics 2023-10-31 Chen-Ran Hu , Yong-Feng Huang

Among several dozen known repeating Fast radio bursts (FRBs), those precisely localized offer the best opportunities to explore their multi-wavelength counterparts, which are key to uncovering their origins. Here we report our X-ray,…

High Energy Astrophysical Phenomena · Physics 2025-03-20 Zhen Yan , Wenfei Yu , Kim L. Page , Jie Lin , Di Li , Chenhui Niu , Casey Law , Bing Zhang , Shami Chatterjee , Xian Zhang , Reshma Anna-Thomas

We present deep James Webb Space Telescope near-infrared imaging to search for a quiescent or transient counterpart to FRB 20250316A, which was precisely localized with the CHIME/FRB Outriggers array to an area of $11\times13$ pc in the…

Fast radio bursts (FRBs) are luminous, dispersed millisecond-duration radio bursts whose origin is poorly known. Recent observations suggest that some FRBs may reside in binary systems, even though conclusive evidence remains elusive. Here…

High Energy Astrophysical Phenomena · Physics 2025-05-15 Jiangwei Xu , Heng Xu , Yanjun Guo , Jinchen Jiang , Bojun Wang , Zihan Xue , Yunpeng Men , Kejia Lee , Bing Zhang , Weiwei Zhu , Jinlin Han

The hot gas that constitutes the intracluster medium (ICM) has been studied at X-ray and millimeter/sub-millimeter wavelengths (Sunyaev-Zeldovich effect) for decades. Fast radio bursts (FRBs) offer an additional method of directly measuring…

Fast radio bursts (FRBs) are bright milliseconds-duration radio bursts from cosmological distances. Despite intense observational and theoretical studies, their physical origin is still mysterious. One major obstacle is the lack of…

High Energy Astrophysical Phenomena · Physics 2024-11-12 Yi Xing , Wenfei Yu , Zhen Yan , Xian Zhang , Bing Zhang

The repeating fast radio burst (FRB) 121102 was recently localized in a dwarf galaxy at a cosmological distance. The dispersion measure (DM) derived for each burst from FRB 121102 so far has not shown significant evolution, even though an…

High Energy Astrophysical Phenomena · Physics 2017-09-27 Yuan-Pei Yang , Bing Zhang

The discovery that at least some Fast Radio Bursts (FRBs) repeat has ruled out cataclysmic events as the progenitors of these particular bursts. FRB~121102 is the most well-studied repeating FRB but despite extensive monitoring of the…

High Energy Astrophysical Phenomena · Physics 2020-05-27 K. M. Rajwade , M. B. Mickaliger , B. W. Stappers , V. Morello , D. Agarwal , C. G. Bassa , R. P. Breton , M. Caleb , A. Karastergiou , E. F. Keane , D. R. Lorimer

We present the largest compilation to date of optical observations during and following fast radio bursts (FRBs). The data set includes our dedicated simultaneous and follow-up observations, as well as serendipitous archival survey…

The analogy of the host galaxy of the repeating fast radio burst (FRB) source FRB 121102 and those of long gamma-ray bursts (GRBs) and super-luminous supernovae (SLSNe) has led to the suggestion that young magnetars born in GRBs and SLSNe…

We present the analysis of radio interferometric 2-s images from a MeerKAT observation of the repeating fast radio burst FRB121102 on September 2019, during which 11 distinct pulses have been previously detected using high time and…

High Energy Astrophysical Phenomena · Physics 2022-11-30 J. C. Andrianjafy , N. Heeralall-Issur , A. A. Deshpande , K. Golap , P. Woudt , M. Caleb , E. D. Barr , W. Chen , F. Jankowski , M. Kramer , B. W. Stappers , J. Wu

The repeating FRB 121102 (the "repeater") shows {repetitive bursting activities} and was localized in a host galaxy at $z=0.193$. On the other hand, despite dozens of hours of telescope time spent on follow-up observations, no other FRBs…

High Energy Astrophysical Phenomena · Physics 2018-02-21 Divya Palaniswamy , Ye Li , Bing Zhang

Fast radio bursts (FRBs) are fierce radio flashes from the deep sky. Abundant observations have indicated that highly magnetized neutron stars might be involved in these energetic bursts, but the underlying trigger mechanism is still…

We report the first discovery of a fast radio burst (FRB), FRB 20200125A, by the Green Bank Northern Celestial Cap (GBNCC) Pulsar Survey conducted with the Green Bank Telescope at 350 MHz. FRB 20200125A was detected at a Galactic latitude…

We present high-resolution 1.5 $-$ 6 GHz Karl G. Jansky Very Large Array (VLA) and Hubble Space Telescope (HST) optical and infrared observations of the extremely active repeating fast radio burst (FRB) FRB 20201124A and its barred spiral…

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