Black Hole Triple System

Syllabus: Science and Technology

Source: IE

Context: For the first time, scientists have discovered a rare “black hole triple” system located around 8,000 light years away in the constellation of Cygnus. This unique configuration comprises a black hole consuming a nearby star, with another distant star orbiting the system.

About Black Hole Triple

• Definition: A “black hole triple” system consists of a black hole with two companion stars. In the discovered system, one star orbits the black hole closely, while the second star is positioned at a far greater distance, orbiting every 70,000 years.

• Discovery: The black hole, named V404 Cygni, was identified by researchers while examining a repository of astronomical observations. Located in the constellation Cygnus, V404 Cygni has a mass approximately nine times that of the Sun. The presence of gravitational interactions among the two stars confirmed the system’s triple configuration.

• The black hole, named V404 Cygni, was identified by researchers while examining a repository of astronomical observations.

• Located in the constellation Cygnus, V404 Cygni has a mass approximately nine times that of the Sun.

• The presence of gravitational interactions among the two stars confirmed the system’s triple configuration.

• Significance: Challenges traditional theories: The discovery questions the conventional understanding of black hole formation, which typically involves a supernova explosion that ejects nearby stars. Direct collapse formation: V404 Cygni is thought to have formed through a “direct collapse” or “failed supernova,” where the star collapsed into a black hole without an explosive event. Retention of nearby stars: This gentler formation process enabled the black hole to retain its nearby stars, which would have been ejected in a supernova scenario. Implications for binary systems: This finding suggests that some known binary black hole systems could have originally been triple systems, with the black hole later consuming one of its companions.

• Challenges traditional theories: The discovery questions the conventional understanding of black hole formation, which typically involves a supernova explosion that ejects nearby stars.

• Direct collapse formation: V404 Cygni is thought to have formed through a “direct collapse” or “failed supernova,” where the star collapsed into a black hole without an explosive event.

• Retention of nearby stars: This gentler formation process enabled the black hole to retain its nearby stars, which would have been ejected in a supernova scenario.

• Implications for binary systems: This finding suggests that some known binary black hole systems could have originally been triple systems, with the black hole later consuming one of its companions.

Insta Links:

• Black-holes

• Quasar

• Recently, scientists observed the merger of giant ‘blackholes’ billions of light-years away from the Earth. What is the significance of this observation? (UPSC-2019) ‘Higgs boson particles’ were detected ‘Gravitational waves’ were detected. Possibility of inter-galactic space travel through ‘wormhole’ was confirmed. It enabled the scientists to understand ‘singularity’

• ‘Higgs boson particles’ were detected

• ‘Gravitational waves’ were detected.

• Possibility of inter-galactic space travel through ‘wormhole’ was confirmed.

• It enabled the scientists to understand ‘singularity’

Answer: b)