Physicists have found a «magnetic» explanation of the fading «stars aliens»

Physicists have found a «magnetic» explanation of the fading «stars aliens»© Photo: Danielle Futselaar, ASTRON

. Very unusual star KIC 8462852 in the constellation of Cygnus could be dimmed in recent years due to the construction of the mega structure of the aliens around her, and a special magnetic «avalanches» in the depths of her, forcing her to lower brightness, say scientists in an article published in the journal Physical Review Letters.

«We have studied the magnetic avalanches that occur inside the earth’s materials. Now we have tried to understand, whether they occur inside stars. We need to check whether there are hints of the presence of such phenomena in the depths of other stars, in order to make sure their existence inside the KIC 8462852,» said Damen, Karin (Karin Dahmen) from the University of Illinois at Urbana (USA).

In mid-October 2015, astronomers from Yale University spoke about unusual fluctuations in the brightness of the star KIC 8462852 in the constellation of Cygnus, the strength of the glow which had twice been reduced by almost a quarter in the last 7 years. These «blink» for the first time pointed to the possibility of the presence in its vicinity of the so-called Dyson sphere, trap the energy of the stars created evolved civilization of aliens.

Initially, scientists assumed that such «blink» of a star could be caused by a swarm of comets closed it the light from observers on Earth, but in January 2016 the American astronomer Bradley Schaefer found that the brightness of KIC 8462852 inexplicably fell by 0.16 magnitudes over the last century that questioned this theory.

Initially, a number of skeptics have tried to deny the fact tarnishing KIC 8462852 in the short and long term, but subsequently, scientists working with a telescope «Kepler», and Russian astronomers from the Pulkovo Observatory confirmed that the brightness of the star drops.

Over the past two years, despite a lot of new observations of KIC 8462852 and a huge number of disputes around it, tarnishing its mystery is not cleared up, and now astronomers and astrophysicists have begun to explain the behavior of the «star alien» absolutely exotic hypotheses, like the one that came up with Damen and her colleagues.

As she explains, her entire research team consists of astronomers and physicists who study the so-called «physics of condensed state» – how matter behaves, consisting of the «collective» is inextricably related to each other particles. An example of this exotic matter are superconductors, «artificial» atoms, the substance of neutron stars, condensate Bose-Einstein, and many everyday things, such as water, crystals, or semiconductors.

Star avalanche

Accidentally collided with the graph of brightness of KIC 8462852, Damen drew attention to the fact that the variability is similar to the way different materials with magnetic properties, spontaneously magnetized when contact the magnetic field. When this occurs in these materials, as explained by a physicist, there is a kind of magnetic avalanche, forcing an increasing number of atoms or electrons to change the magnetization direction in the same direction.

Recent observations of x-ray flares on other stars, as told by Damen, has shown that this magnetic «avalanches» can occur in the depths of light. This gave her the idea that something similar could make KIC 8462852 dimmed in recent years – strengthening the magnetic field at the stellar surface would interfere with the «cycle» of plasma in its interior, which will weaken its brightness for some time, just as there are spots on the Sun.

Following this idea, physicists have tested whether this is so by analyzing almost all the small and large reduction in the brightness of KIC 8462852. As it turned out, all these fluctuations in the brightness of the «star alien» in General, correspond to the occurrence of magnetic «avalanche». This, the researchers believe, is a positive indication that the unusual staining KIC 8462852 can be generated by some magnetic processes within the sun.

Speaking in favor of this two other factors – the fact that KIC 8462852 spinning rapidly, indicating a large strength of the magnetic field of this star, and that similar variations in brightness typical for the other three stars, which was followed by «Kepler». On the other hand, Damen and her colleagues recognize that this hypothesis does not explain all the strange behavior of the «star alien», including reducing its brightness by 0.19 magnitude over the last century. So that is a KIC 8462852, scientists will debate for a long time.