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Recent progress on the nature of short duration Gamma Ray Bursts (GRBs) has shown that a fraction of them originate in the local universe. These systems may well be the result of giant flares from Soft Gamma Repeaters (SGRs) believed to be…

天体物理学 · 物理学 2008-11-26 R. Chapman , A. J. Levan , G. A. Wynn , M. B. Davies , A. R. King , R. S. Priddey , N. R. Tanvir

The discovery of a persistent radio source coincident with the first repeating fast radio burst, FRB 121102, and offset from the center of its dwarf host galaxy has been used as evidence for a link with young millisecond magnetars born in…

高能天体物理现象 · 物理学 2020-06-10 T. Eftekhari , E. Berger , B. Margalit , B. D. Metzger , P. K. G. Williams

Magnetars younger than one century are expected to be hyper active. Besides winds powered by rotation they generate frequent magnetic flares, which launch powerful blast waves into the wind. These internal shocks act as masers producing…

高能天体物理现象 · 物理学 2020-07-01 Andrei M. Beloborodov

Paper I in this series introduced a model in which seed radio bursts produced by a hotspot anchored in the magnetosphere of a highly-magnetic neutron star (NS) are greatly amplified by strong gravitational self-lensing and thus give rise to…

高能天体物理现象 · 物理学 2026-03-16 Riccardo La Placa , Simone Dall'Osso , Luigi Stella , Andrea Possenti

Fast radio bursts (FRBs) are millisecond duration transients observed in the radio band, with their origin and radiation mechanism remaining unclear to date. Growing evidence indicates that at least some FRBs originate from magnetars and…

高能天体物理现象 · 物理学 2024-11-08 Yu-Chen Huang , Zi-Gao Dai

Fast radio bursts (FRBs) at cosmological distances still hold concealed physical origins. Previously Liu (2018) proposes a scenario that the collision between a neutron star (NS) and a white dwarf (WD) can be one of the progenitors of…

高能天体物理现象 · 物理学 2020-02-24 Xiang Liu

The detection of a fast radio burst (FRB), FRB 200428, coincident with an X-ray burst (XRB) from the Galactic magnetar soft gamma repeater (SGR) SGR J1935+2154 suggests that magnetars can produce FRBs. Many XRBs have been detected from the…

高能天体物理现象 · 物理学 2022-12-23 Connery J. Chen , Bing Zhang

High time resolution radio surveys over the last few years have discovered a population of millisecond-duration transient bursts called Fast Radio Bursts (FRBs), which remain of unknown origin. FRBs exhibit dispersion consistent with…

高能天体物理现象 · 物理学 2016-03-23 M. Caleb , C. Flynn , M. Bailes , E. D. Barr , R. W. Hunstead , E. F. Keane , V. Ravi , W. van Straten

Fast radio bursts (FRBs) at cosmological distances have recently been discovered, whose duration is about milliseconds. We argue that the observed short duration is difficult to explain by giant flares of soft gamma-ray repeaters, though…

高能天体物理现象 · 物理学 2015-06-16 Tomonori Totani

Magnetars are extreme neutron stars powered by ultra-strong magnetic fields ($\sim10^{14}$ Gauss) and are compelling engines for some of the most powerful extragalactic transients such as Super Luminous Supernovae, Gamma-Ray Bursts, and…

高能天体物理现象 · 物理学 2026-01-23 Celsa Pardo-Araujo , Nanda Rea , Michele Ronchi , Vanessa Graber

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…

高能天体物理现象 · 物理学 2022-06-13 B. Marcote , F. Kirsten , J. W. T. Hessels , K. Nimmo , Z. Paragi

Fast radio bursts (FRBs) are mysterious bright millisecond-duration radio bursts at cosmological distances. While young magnetars have been put forward as the leading source candidate, recent observations suggest there may be multiple FRB…

高能天体物理现象 · 物理学 2022-12-02 Alexandra Moroianu , Linqing Wen , Clancy W. James , Shunke Ai , Manoj Kovalam , Fiona Panther , Bing Zhang

Fast radio bursts are brief, highly dispersed bursts detected in the radio band, originating from cosmological distances. The only such event detected in the Milky Way galaxy, FRB 20200428DD, was associated with an X-ray burst emitted by a…

高能天体物理现象 · 物理学 2024-10-04 Bing Zhang

The precise origins of fast radio bursts (FRBs) remain unknown. Multiwavelength observations of nearby FRB sources can provide important insights into the enigmatic FRB phenomenon. Here, we present results from a sensitive, broadband X-ray…

We report the detection of a dispersed Fast Radio Burst (FRB) in archival intermediate-latitude Parkes Radio Telescope data. The burst appears to be of the same physical origin as the four purported extragalactic FRBs reported by Thornton…

高能天体物理现象 · 物理学 2015-06-22 S. Burke-Spolaor , K. W. Bannister

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…

高能天体物理现象 · 物理学 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

Do all Fast Radio Burst (FRB) sources repeat? We present evidence that FRB sources follow a Zipf-like distribution, in which the number density of sources is approximately inversely proportional to their burst rate above a fixed energy…

高能天体物理现象 · 物理学 2025-09-12 Paz Beniamini , Pawan Kumar

The physical nature of Fast Radio Bursts (FRBs), a new type of cosmological transients discovered recently, is not known. It has been suggested that FRBs can be produced when a spinning supra-massive neutron star loses centrifugal support…

高能天体物理现象 · 物理学 2015-06-17 Bing Zhang

Fast radio bursts (FRBs) are short-duration radio pulses of cosmological origin. Among the most common sources predicted to explain this phenomenon are bright pulses from a class of extremely highly magnetized neutron stars known as…

高能天体物理现象 · 物理学 2024-01-31 S. Paine , T. Hawkins , D. R. Lorimer , J. Stanley , J. Kania , F. Crawford , N. Fairfield