No burst was detected during a 8-hour observational campaign toward SGR J1935+2154 by FAST. Despite 29 SGR bursts detected by Fermi GBM in the time span, stringent upper limits on radio emission associated with these SGR bursts are obtained. 没看懂这个图的意思,明明像是看到了什么东西。 QQ群里...
We present the results obtained from imaging observations and a search for radio pulsations toward the magnetar SGR J1935+2154 made using the Giant Metrewave Radio Telescope and the Ooty Radio Telescope. We present the high-resolution radio image of the supernova remnant (SNR) G57.2+0.8, which...
5,6). Here, we report the detection of a non-thermal X-ray burst in the 1–250 keV energy band with the Insight-HXMT satellite7, which we identify as having been emitted from SGR J1935+2154. The burst showed two hard peaks with a separation of 34 milliseconds, broadly consistent ...
HXMT identification of a non-thermal X-ray burst from SGR J1935 2154 and with FRB 200428_2021_C. K. Li Lettershttps://doi.org/10.1038/s41550-021-01302-61 Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China. 2 Department ...
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 Five-hundred-meter Aperture Spherical radio Telescope (FAST) had...
FAST揭示磁星快速射电暴的起源! | 快速射电暴是指遥远宇宙中突然出现的短暂而猛烈的无线电波暴发,持续时间只有几毫秒,却能够释放出相当于太阳在一整天内释放的能量。SGR 1935+2154是唯一探测到X射线脉冲辐射、快速射电暴(FRB),继而出现相位稳定射电脉冲发射的磁星,刷新了人们对磁星辐射的认识。
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