The relativistic outflows from gamma-ray bursts are now thought to be narrowly collimated into jets. After correcting for this jet geometry there is a remarkable constancy of both the energy radiated by the burst and the kinetic energy carried by the outflow. Gamma-ray bursts are still the ...
伽马射线，作为电磁波谱的高端部分，与X射线和可见光相似，但其携带的能量极高。伽马射线暴指的是从天空中的特定方向突然出现的伽马射线强度在短时间内急剧增强，随后迅速减弱的现象，持续时间可在0.1秒至1000秒之间。这并非单一事件，因此不存在某一年发生伽马射线暴的说法。产生伽马射线暴的原因是宇宙中...
Granot, High-energy emission from the prompt gamma-ray burst. Astrophys. J. 585 , 885–889 (2003). : 10.1086/346221 ADSD. Guetta, J. Granot, High-Energy Emission from the Prompt Gamma-Ray Burst. Astrophys. J. 585, 885- 889 (2003). doi:10.1086/346221...
High energy radiation from gamma ray bursts.Gamma-ray burst (GRB) engines are probed most intimately during the prompt gamma-ray luminous phase when the expanding blast wave is closest to the explosion center. Using GRBs 990123 and 940217 as guides, we briefly review observations of high-energy...
The X-ray emission after this time fades following a PL function (Figure 5, left). The energy emitted during the prompt phase was 𝐸𝛾,iso=(2.5±0.1)×1053Eγ,iso=(2.5±0.1)×1053 erg [52]. The LAT observations are available up to 180 s, when the burst left the LAT FoV. The...
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Gamma-Ray Burst Observations at High Energy with the Fermi Large Area Telescope. ArXiv e-prints, Nov 2010, 1012.0558.Aurelien Philippe Bouvier.Gamma-Ray Burst Observations at High Energy with the Fermi Large Area Telescope.. 2010Aurelien Bouvier, Gamma-Ray Burst Observations at High Energy with ...
The Hubble Space Telescope has observed the highest-energy ever gamma-ray burst, called GRB 190114C. Gamma-ray bursts are the most powerful explosions in the universe according to the European Space Agency, and this particular burst was even brighter and
gamma ray burst词源英文解释 The first known use of gamma-ray burst was in 1973 gamma ray burst 例句 1.On the other hand, short gamma-ray bursts have pulses shorter than two seconds. 2.To produce such a catastrophic energy projectile, an equally powerful explosion is in order, which is...
What would happen to Earth if it were hit by a gamma-ray burst? Gamma-ray expert Q&A Additional resources Bibliography Gamma-ray bursts (GRBs) are the most powerful and violent explosions in the known universe. These brief flashes of high-energy light result from some of the universe...