English
Related papers

Related papers: FRB 200428: an Impact between an Asteroid and a Ma…

200 papers

Very recently, an extremely bright fast radio burst (FRB) 200428 with two sub-millisecond pulses was discovered to come from the direction of the Galactic magnetar SGR 1935+2154, and an X-ray burst (XRB) counterpart was detected…

High Energy Astrophysical Phenomena · Physics 2020-07-22 Z. G. Dai

Recently, remarkable anti-glitch and glitch accompanied by bright radio bursts of the Galactic magnetar SGR J1935+2154 were discovered. These two infrequent temporal coincidences between the glitch/anti-glitch and the fast radio burst…

High Energy Astrophysical Phenomena · Physics 2023-06-07 Qin Wu , Zhen-Yin Zhao , F. Y. Wang

Fast radio bursts (FRBs) are short pulses observed in radio frequencies usually originating from cosmological distances. The discovery of FRB 200428 and its X-ray counterpart from the Galactic magnetar SGR J1935+2154 suggests that at least…

High Energy Astrophysical Phenomena · Physics 2022-11-08 Mingyu Ge , Yuan-Pei Yang , Fangjun Lu , Shiqi Zhou , Long Ji , Shuangnan Zhang , Bing Zhang , Liang Zhang , Pei Wang , Kejia Lee , Weiwei Zhu , Jian Li , Xian Hou , Qiao-Chu Li

Recently, the discovery of Galactic FRB 200428 associated with a X-ray burst (XRB) of SGR 1935+2154 has built a bridge between FRBs and magnetar activities. In this paper, we assume that the XRB occurs in the magnetar magnetosphere. We show…

High Energy Astrophysical Phenomena · Physics 2020-08-14 Q. Wu , G. Q. Zhang , F. Y. Wang , Z. G. 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…

High Energy Astrophysical Phenomena · Physics 2021-01-27 Bing Zhang

The most common form of magnetar activity is short X-ray bursts, with durations from milliseconds to seconds, and luminosities ranging from $10^{36}$ to $10^{43}\ {\rm erg}\,{\rm s}^{-1}$. Recently, an X-ray burst from the galactic magnetar…

High Energy Astrophysical Phenomena · Physics 2022-08-02 Yajie Yuan , Andrei M. Beloborodov , Alexander Y. Chen , Yuri Levin , Elias R. Most , Alexander A. Philippov

Recently, a fast radio burst (FRB)-like event is found to be associated with a Galactic magnetar, SGR 1935+2154, accompanied by an X-ray burst. We find this radio burst challenges the typical emission mechanisms involving magnetars, which…

High Energy Astrophysical Phenomena · Physics 2020-08-27 Jie-Shuang Wang

Accompanied by an X-ray burst, the fast radio burst (FRB) FRB 200428 was recently confirmed as originating from the Galactic magnetar soft gamma repeater (SGR) SGR J1935+2154. Just before and after FRB 200428 was detected, the…

High Energy Astrophysical Phenomena · Physics 2021-01-15 Yu-Han Yang , Bin-Bin Zhang , Lin Lin , Bing Zhang , Guo-Qiang Zhang , Yi-Si Yang , Zuo-Lin Tu , Jin-Hang Zou , Hao-Yang Ye , Fa-Yin Wang , Zi-Gao Dai

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…

High Energy Astrophysical Phenomena · Physics 2022-12-23 Connery J. Chen , Bing Zhang

The discovery of fast radio burst (FRB) 200428 from galactic SGR J1935+2154 makes it possible to measure rotational changes accompanied by FRBs and to test several FRB models which may be simultaneously associated with glitches. Inspired by…

High Energy Astrophysical Phenomena · Physics 2021-08-11 Wei-Hua Wang , Heng Xu , Wei-Yang Wang , Shuang Du , Quan Cheng , Xiao-Ping Zheng , Ren-Xin Xu

Since their discovery in 2007, much effort has been devoted to uncovering the sources of the extragalactic, millisecond-duration fast radio bursts (FRBs). A class of neutron star known as magnetars is a leading candidate source of FRBs.…

High Energy Astrophysical Phenomena · Physics 2020-11-11 Christopher D. Bochenek , Vikram Ravi , Konstantin V. Belov , Gregg Hallinan , Jonathon Kocz , Shri R. Kulkarni , Dan L. McKenna

The discovery of a fast radio burst (FRB) in our galaxy associated with a magnetar (neutron star with strong magnetic field) has provided a critical piece of information to help us finally understand these enigmatic transients. We show that…

High Energy Astrophysical Phenomena · Physics 2020-08-31 Wenbin Lu , Pawan Kumar , Bing Zhang

A luminous radio burst was recently detected in temporal coincidence with a hard X-ray flare from the Galactic magnetar SGR 1935+2154 with a time and frequency structure consistent with cosmological fast radio bursts (FRB) and a fluence…

High Energy Astrophysical Phenomena · Physics 2020-08-26 Ben Margalit , Paz Beniamini , Navin Sridhar , Brian D. Metzger

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…

The recent discovery of a Galactic fast radio burst (FRB) occurring simultaneously with an X-ray burst (XRB) from the Galactic magnetar SGR J1935+2154 implies that at least some FRBs arise from magnetar activities. We propose that FRBs are…

High Energy Astrophysical Phenomena · Physics 2021-10-04 Yuan-Pei Yang , Bing Zhang

Fast radio bursts (FRBs) are bright milliseconds radio transients with large dispersion measures. Recently, FRB 200428 was detected in temporal coincidence with a hard X-ray flare from the Galactic magnetar SGR 1935+2154, which supports…

High Energy Astrophysical Phenomena · Physics 2021-01-06 F. Y. Wang , G. Q. Zhang , Z. G. Dai

The association of FRB 200428 with an X-ray burst (XRB) from the Galactic magnetar SGR 1935+2154 offers important implications for the physical processes responsible for the fast radio burst (FRB) phenomena. By assuming that the XRB…

High Energy Astrophysical Phenomena · Physics 2020-11-11 Yun-Wei Yu , Yuan-Chuan Zou , Zi-Gao Dai , Wen-Fei Yu

Fast radio burst (FRB) is mysterious phenomenon with millisecond-duration radio pulses observed mostly from cosmological distance. The association between FRB 200428 and a magnetar X-ray burst (MXB) from SGR J1935+2154 has significantly…

Fast radio bursts (FRBs) are mysterious millisecond-duration radio transients of unknown origin observed at extragalactic distances. It has been long speculated that magnetars are the engine powering repeating bursts from FRB sources, but…

‹ Prev 1 2 3 10 Next ›