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First from scientists: Triple black hole system discovered!

byadmin
October 24, 2024

Scientists observed a triple black hole system for the first time, discovering that black holes can form in different ways than expected. While the stars in the system called V404 Cygni were expected to disappear after the supernova explosion, the existence of a third star was detected.

Scientists observed a triple black hole system for the first time. The research team obtained important findings that black holes can form in different ways than known.
The team, led by Kevin Burdge from the Massachusetts Institute of Technology (MIT), examined the system called V404 Cygni, located 8,000 light-years away from Earth, and detected the existence of a third star there.
Black holes are usually formed as a result of supernova explosions of massive stars. However, in the V404 Cygni system, while the stars are expected to break apart after the supernova, it was observed that the third star did not disappear in this process. Burdge explained this situation with the words, “Imagine pulling a kite with a spider web instead of a strong string.” He stated that if a dramatic event occurs in the inner binary system, the outer star could disappear.
The team examined 10 years of data from the European Space Agency’s Gaia spacecraft and found that the third star orbits the black hole every 70 thousand years. This is the first observation to prove the existence of a triple black hole system.
The research suggests that V404 Cygni formed through a “gentle” process. Simulations show that the system did not experience a supernova explosion, and that the black hole formed through “direct collapse”. Thus, it has been proven that black holes can form as a result of stars collapsing inward without exploding.
Burdge stated that the findings were exciting in terms of black hole evolution and that they will continue to investigate whether there are other triple systems. It was also determined that the distant star in the system has entered the red giant phase, indicating that V404 Cygni formed about 4 billion years ago.
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