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We present the first X-ray census of fast radio burst (FRB) host galaxies to conduct the deepest search for AGN and X-ray counterparts to date. Our sample includes seven well-localized FRBs with unambiguous host associations and existing…

The similarity of the host galaxy of FRB 121102 with those of long gamma-ray bursts and Type I super-luminous supernovae suggests that this FRB could be associated with a young magnetar. By assuming the FRB emission to be produced within…

高能天体物理现象 · 物理学 2017-04-19 Xiao-Feng Cao , Yun-Wei Yu , Zi-Gao Dai

Recently, one fast radio burst, FRB 200428, was detected from the Galactic magnetar SGR J1935+2154 during one X-ray burst. This suggests that magnetars can make FRBs. On the other hand, the majority of X-ray bursts from SGR J1935+2154 are…

高能天体物理现象 · 物理学 2021-01-27 Bing Zhang

We model the sample of fast radio bursts (FRB), including the newly discovered CHIME repeaters, using the synchrotron blast wave model of Metzger, Margalit & Sironi (2019). This model postulates that FRBs are precursor radiation from…

高能天体物理现象 · 物理学 2020-04-29 Ben Margalit , Brian D. Metzger , Lorenzo Sironi

Fast Radio Bursts (FRBs) are extremely energetic pulses of millisecond duration and unknown origin. In order to understand the phenomenon that emits these pulses, targeted and untargeted searches have been performed for multi-wavelength…

Magnetars are neutron stars with extremely high magnetic fields that exhibit various X-ray phenomena such as sporadic sub-second bursts, long-term persistent flux enhancements, and variable rates of rotation period change. In 2020, a fast…

It is proposed that one-off fast radio burst (FRB) with periodic structures may be produced during the inspiral phase of a binary neutron-star (BNS) merger. In this paper, we study the event rate of such kind of FRB. We first investigate…

高能天体物理现象 · 物理学 2023-08-16 Zhi-Lin Chen , Rui-Chong Hu , Da-Bin Lin , En-Wei Liang

Fast radio bursts (FRBs) are millisecond bursts of radio radiation whose progenitors so far remain mysterious. Nevertheless, the timescales and energetics of the events have lead to many theories associating FRBs with young neutron stars.…

高能天体物理现象 · 物理学 2016-06-29 Anthony L. Piro

We propose a new extragalactic but non-cosmological explanation for fast radio bursts (FRBs) based on very young pulsars in supernova remnants. Within a few hundred years of a core-collapse supernova the ejecta is confined within $\sim$1…

高能天体物理现象 · 物理学 2016-02-17 Liam Connor , Jonathan Sievers , Ue-Li Pen

One of the potential sources of repeating Fast Radio Bursts (FRBs) is a rotating magnetosphere of a compact object, as suggested by the similarities in the polarization properties of FRBs and radio pulsars. Attempts to measure an underlying…

高能天体物理现象 · 物理学 2025-08-28 Kaustubh M. Rajwade , Aris Karastergiou

Despite hundreds of detected fast radio bursts (FRBs), the faint-end slope ($\gamma$) of their energy distribution remains poorly constrained, hindering understanding of whether bright, cosmological FRBs and faint, Galactic magnetar SGR…

高能天体物理现象 · 物理学 2025-06-30 Mohit Bhardwaj , Victoria M. Kaspi , K. W. Masui , B. M. Gaensler , Adaeze L. Ibik , Mawson W. Sammons

It is now accepted that long duration gamma-ray bursts (GRBs) are produced during the collapse of a massive star. The standard "collapsar" model predicts that a broad-lined and luminous Type Ic core-collapse supernova (SN) accompanies every…

Fast Radio Bursts (FRBs) are millisecond-duration transient events that are typically observed at radio wavelengths and cosmological distances but their origin remains unclear. Furthermore, most FRB origin models are related to the…

高能天体物理现象 · 物理学 2025-07-24 Yu-Hao Zhu , Chen-Hui Niu , Xiang-Han Cui , Di Li , Yi-Feng , Chao-Wei Tsai , Pei Wang , Yong-Kun Zhang , Fanyi Meng , Zheng Zheng

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…

高能天体物理现象 · 物理学 2018-02-21 Divya Palaniswamy , Ye Li , Bing Zhang

The origin of fast radio bursts (FRBs) still remains a mystery, even with the increased number of discoveries in the last three years. Growing evidence suggests that some FRBs may originate from magnetars. Large, single-dish telescopes such…

We discuss how we can detect and identify counterparts of fast radio bursts (FRBs) in future optical follow up observations of FRBs if real-time alert of FRBs becomes available. We consider kilonovae as candidates of FRB optical…

高能天体物理现象 · 物理学 2015-06-22 Yuu Niino , Tomonori Totani , Jun E. Okumura

Fast radio bursts (FRBs) are usually suggested to be associated with mergers of compact binaries consisting of white dwarfs (WDs), neutron stars (NSs), or black holes (BHs). We test these models by fitting the observational distributions in…

高能天体物理现象 · 物理学 2018-05-23 Xiao-Feng Cao , Yun-Wei Yu , Xia Zhou

Fast radio bursts are astronomical radio flashes of unknown physical nature with durations of milliseconds. Their dispersive arrival times suggest an extragalactic origin and imply radio luminosities orders of magnitude larger than any…

We perform a comparative study between the only radio detected Type I superluminous supernova (SLSN) PTF10hgi, and the most active repeating fast radio burst FRB121102. This study has its root in the hypothesized FRB-SLSN connection that…

高能天体物理现象 · 物理学 2020-09-09 Surajit Mondal , Apurba Bera , Poonam Chandra , Barnali Das

Fast radio bursts (FRBs), millisecond-duration bursts prevailing in the radio sky, are the latest big puzzle in the universe and have been a subject of intense observational and theoretical investigations in recent years. The rapid…

高能天体物理现象 · 物理学 2024-01-05 Bing Zhang
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