Merging black holes gave rise to a rare phenomenon

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www.vsyako.netImage: Caltech

Scientists at Caltech for the first time in the history of recorded rare flash of light generated by merging black holes with each other. This phenomenon is unusual because black holes can not, in principle, to emit light, however, this rule can be violated in some cases, the collision of one black hole with another. About it reported in a press release of the scientific organization.

Gravitational waves from the merger of two black holes, designated as event S190521g, was recorded by the Observatory LIGO and Virgo detector 21 may 2019. At the same time astronomers at the Palomar Observatory in San Diego carried out the search of transients — changes the brightness of objects. As it turned out, the source of one of the flares — J1249 + 3449, — which gave rise to a distant supermassive black hole in the structure of the quasar was in the same place as the source of gravitational waves.

According to the scenario proposed by Matthew Graham (Matthew Graham), a leading author of the article, a pair of colliding black holes rotate inside the larger disk around a supermassive black hole. As soon as black holes smaller face, larger black hole gets the momentum, pushing it in a random direction, causing it collides with the gas in the disk and creates a flash of light.

Although black holes attracting stuff and creating snow accretion disk that periodically produce flash, the observed phenomenon is significantly different in strength, which indicates its unusual nature. It is assumed that this flash will become visible only a few days after a burst of gravitational waves. However, scientists failed to study the spectrum of events that helped to reaffirm his nature, although astronomers have ruled out options such as a supernova or disruption of a star by a black hole.

Video, photo All from Russia.

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