The Space Research Institute of the Russian Academy of Sciences (IKI RAS) reports that the Spektr-RG space observatory has recorded, possibly, the “awakening” of a black hole.
The Russian X-ray telescope ART-XC, installed on board the Spektr-RG spacecraft, has detected a bright X-ray source in the region of the center of the Galaxy. It turned out to be a black hole 4U 1755-338.
It is curious that the named object was discovered back in the early seventies by the first orbital X-ray observatory Uhuru. However, in 1996, the hole stopped showing signs of activity. And now she is alive.
“After analyzing the data obtained, the astrophysicists of the IKI RAS suggested that the ART-XC telescope is observing the beginning of a new flare from this black hole. The outburst is associated with the resumption of accretion onto the black hole of matter from an ordinary star, which together form a binary system, ”the message says.
We add that the ART-XC telescope is already half of the entire sky. Together with the Russian instrument, the German eROSITA telescope operates on board the Spektr-RG observatory. It is expected that already in June 2020 the first map of the entire sky will be obtained.
Source: 3dnews.ru