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Fast radio bursts (FRBs) are millisecond-duration intense radio flares occurring at cosmological distances. Many models have been proposed to explain these topical astronomical events, but none has so far been confirmed. Here we show that a…

高能天体物理现象 · 物理学 2017-11-27 Sudip Bhattacharyya

FRB 121102, the first-known repeating fast radio burst (FRB) source, is associated with a dwarf host galaxy and compact, persistent radio source. In an effort to find other repeating FRBs, FIRST J141918.9+394036 (hereafter FIRST J1419+3940)…

高能天体物理现象 · 物理学 2020-04-10 Kenzie Nimmo , Vishal Gajjar , Jason W. T. Hessels , Casey J. Law , Ryan S. Lynch , Andrew D. Seymour , Laura G. Spitler

Fast radio bursts, or FRBs, are transient sources of unknown origin. Recent radio and optical observations have provided strong evidence for an extragalactic origin of the phenomenon and the precise localization of the repeating FRB 121102.…

高能天体物理现象 · 物理学 2017-06-14 Florencia L. Vieyro , Gustavo E. Romero , Valentí Bosch-Ramon , Benito Marcote , María V. del Valle

Fast radio bursts (FRBs) are highly energetic radio pulses from cosmological origins. Despite an abundance of detections, their nature remains elusive. At least a subset of FRBs is expected to repeat, as the daily FRB rate surpasses that of…

高能天体物理现象 · 物理学 2020-03-04 Julian B. Muñoz , Vikram Ravi , Abraham Loeb

The origin of fast radio bursts (FRBs) remains mysterious. Recently, the only repeating FRB source, FRB 121102, was reported to possess an extremely large and variable rotation measure (RM). The inferred magnetic field strength in the burst…

高能天体物理现象 · 物理学 2018-02-28 Bing Zhang

Currently, FRB 121102 is the only fast radio burst source that was observed to give out bursts repeatedly. It shows a high repeating rate, with more than one hundred bursts being spotted, but with no obvious periodicity in the activities.…

高能天体物理现象 · 物理学 2019-01-25 Bing Li , Long-Biao Li , Zhi-Bin Zhang , Jin-Jun Geng , Li-Ming Song , Yong-Feng Huang , Yuan-Pei Yang

Fast radio bursts (FRBs) are mysterious transient phenomena. The study of repeating FRBs may provide useful information about their nature due to their redetectability. The two most famous repeating sources are FRBs 121102 and 180916, with…

高能天体物理现象 · 物理学 2022-03-30 Abdusattar Kurban , Yong-Feng Huang , Jin-Jun Geng , Bing Li , Fan Xu , Xu Wang , Xia Zhou , Ali Esamdin , Na Wang

FRB~121102 was the first Fast Radio Burst (FRB) that was shown to repeat. Since its discovery in 2012, more than two hundred bursts have been detected from the source. These bursts exhibit a diverse range of spectral and temporal…

高能天体物理现象 · 物理学 2020-09-09 Kaustubh Rajwade , Mitchell Mickaliger , Benjamin Stappers , Manisha Caleb , Rene Breton , Aris Karastergiou , Evan Keane

Fast radio bursts (FRBs) are bright, unresolved, millisecond-duration flashes of radio emission originating from outside of the Milky Way. The source of these mysterious outbursts is unknown, but their high luminosity, high dispersion…

高能天体物理现象 · 物理学 2019-08-20 Jamie Holder , Ryan S. Lynch

Fast Radio Bursts (FRBs) are a class of short-duration transients at radio wavelengths with inferred astrophysical origin. The prototypical FRB is a broadband signal that occurs over the extent of the receiver frequency range, is narrow in…

There are by now ten published detections of fast radio bursts (FRBs), single bright GHz-band millisecond pulses of unknown origin. Proposed explanations cover a broad range from exotic processes at cosmological distances to atmospheric and…

Six cases of fast radio bursts (FRBs) have recently been discovered. The FRBs are bright (~0.1 - 1 Jy) and brief (~ 1 ms) pulses of radio emission with dispersion measures (DMs) that exceed Galactic values, and hence FRBs have been…

高能天体物理现象 · 物理学 2015-06-17 Abraham Loeb , Yossi Shvartzvald , Dan Maoz

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,…

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…

Since the discovery of the first fast radio burst (FRB) in 2007, and their confirmation as an abundant extragalactic population in 2013, the study of these sources has expanded at an incredible rate. In our 2019 review on the subject we…

高能天体物理现象 · 物理学 2022-04-06 E. Petroff , J. W. T. Hessels , D. R. Lorimer

Very recently Spitler et al. (2016) and Scholz et al. (2016) reported their detections of sixteen additional bright bursts from the direction of the fast radio burst (FRB) 121102. This repeating FRB is inconsistent with all the catastrophic…

高能天体物理现象 · 物理学 2016-09-28 Z. G. Dai , J. S. Wang , X. F. Wu , Y. F. Huang

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…

高能天体物理现象 · 物理学 2018-07-11 Liam Connor , Emily Petroff

Mysterious Fast Radio Bursts (FRB), still eluding a rational explanation, are astronomical radio flashes with durations of milliseconds. They are thought to be of an extragalactic origin, with luminosities orders of magnitude larger than…

高能天体物理现象 · 物理学 2019-10-09 George Machabeli , Andria Rogava , Beka Tevdorashvili

The discovery of a repeating Fast Radio Burst (FRB) source, FRB 121102, eliminated models involving cataclysmic events for this source. No other repeating FRB has yet been detected in spite of many recent FRB discoveries and follow-ups,…