This initial burst is typically followed by a longer-lived"afterglow" consisting of longer wavelengths of light—such as X-rays, ultraviolet, optical, infrared, microwave and radio—which can be observed for several minutes, months or even years.
The latest GRB event was detected by two space satellites—the Neil Gehrels Swift Observatory and the Fermi Gamma-ray Space Telescope—on January 14, 2019, according to a study published in the journalWithin 22 seconds of the initial detection, the coordinates of GRB 190114C were shared with astronomers around the world, including operators of the Major Atmospheric Gamma Imaging Cherenkov telescopes in Spain's Canary Islands.
Gamma-ray bursts can be triggered by the explosion of a dying, massive star, collapsing into a black hole. From the vicinity of the black hole, powerful jets shoot in opposite directions into space, accelerating electrically charged particles, which in turn interact with magnetic fields and radiation to produce gamma rays.These observations with the MAGIC telescopes revealed photons—or particles of light—from the afterglow of the GRB with an energy between 0.
After the initial observations, other telescopes around the world followed up in order to identify the origin of the GRB and determine its other characteristics. This data enabled the researchers to describe the probable mechanism behind the emission..
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