- The star system is location in the Telescopium constellation.
- The black hole’s two bright companion stars helped astronomers pinpoint the black hole’s location.
- The two companion stars can been seen with the naked eye in the southern hemisphere,. “We were totally surprised when we realized that this is the first stellar system with a black hole that can be seen with the unaided eye.”
- Scientists noted that one of the stars was rotating around an invisible object every 40 days. This led scientists to recognize they were seeing a triple star system that included the two stars and the black hole.
- The observation was made using the MPG/ESO 2.2-meter telescope at the European Southern Observatory’s La Silla Observatory in Chile.
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