Astronomers were astonished when a Black hole Burp a star that consumed it three years ago, according to a new study that analyzed the galactic event.
The study was published in The Astrophysical Journal last week detailing how scientists saw a black hole swallowing a small star located 665 million light-years from Earth. However, in June 2021, the black hole itself began to eject material that was traveling in light’s speed.
“This totally surprised us — no one had ever seen anything like this before,” said Yvette Sindez, co-author of the study and a research associate at the Center for Astrophysics. Harvard and Smithsonian.
“It’s as if this black hole has suddenly started to burp a bunch of material from the star that ate it years ago,” Sindis added.
Data in the Very Large Array in New Mexico informed researchers that the black hole has reappeared, but the team doesn’t know why the outflow was delayed by three years. Sendes compared the activity of black holes to “burping” after a meal.
“This is the first time we have seen such a long delay between feeding and outflow,” said Ido Berger, another study co-author. “The next step is to explore whether this is in fact occurring more regularly, and we simply haven’t looked at TDE late enough in its development.”
TDEs mean Tidal turbulence events It describes the process by which a star is consumed by a black hole. The researchers, who dubbed the black hole “AT2018hyz,” collected the observations using various techniques, including the ALMA Observatory in Chile, MeerKAT in South Africa, the Australian Telescope Compact Array in Australia, and the Chandra X-Ray Observatory.
Black holes are thought to arise from the remains of massive dead stars. These areas have the ability to consume anything and withdraw all substances, including light.
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