The biggest fusion of black holes forms the mass of the sun, say astronomers say

The scientists say they detected the largest fusion of two black holes, forming one that is 225 times the mass of the sun, and adds that the new discovery “pushes the limits of” how astronomers understand how black holes are created.

Two black holes combined to make the massive, according to the Ligo-Virgo-Kagra collaboration, an international group that uses gravitational waves to detect fuses of black holes and identified the event. Gravitational waves occur when there are thorough distortions in space -time, caused by events such as Black Hole mergers, the group said in a press release.

One of the black holes was approximately 103 times the mass of the sun. The other was about 137 times. These large black holes may have been formed by even previous mergers, Mark Hannam, a professor at Cardiff University and a member of Ligo’s scientific collaboration, he said in the statement.

Even inside the merger, black holes are turning quickly, scientists said. Its rotation speed is approximately 400,000 times the ground rotation speed, said collaboration in a graph. They are moving at approximately 80% to 90% of the maximum possible speed.

“Black holes seem to be turning very quickly, near the limit allowed by Einstein’s general relativity theory,” said Dr. Charlie today, a gravitational wave astrophysicist, member of Ligo and postdoctoral researcher at the University of Portsmouth, in the news statement. “That makes the signal difficult to model and interpret.”

The huge black hole has been called GW231123. Its unusual size and behavior is the understanding of scientists in the formation of black holes, said Hannam. Previously, the largest black hole that came from a fusion was approximately 140 times the mass of the sun.

The discovery of GW231123 is also opening doors for new research roads, astronomers said. The behavior and size of the black hole “exceed the limits of the” current theoretical models and the existing gravitational wave detection technology, said Ligo-Virgo-Kagra collaboration.

“The community will take years to completely unravel in this intricate signal pattern and all its implications,” said Dr. Gregorio Carullo, a member of Ligo and assistant professor at the Institute of Astronomy of Gravitational Waves of the University of Birmingham. “Despite the most likely explanation that there is a fusion of Black Hole, the most complex scenarios could be the key to deciphering its unexpected characteristics.

The black hole was discovered in November 2023, during an observation period for the Ligo-Virgo-Kagra collaboration. The observation period began in May 2023, and the first part of the period ended in January 2024.

This month there will be more information about GW231123 and other black holes discovered by the collaboration at the 24th International Conference on General Relativity and Gravitation (GR24) and the 16th Conference Edoardo Amaldi on gravitational waves, two conferences presented in Glasgow, Scotland. The observation window data will be published later in the summer. The data used to detect and study the massive black hole will also be available for other researchers to use them, according to collaboration.

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