Although it is known that most stars in the universe do not form alone, so far there are only five confirmed binary stars at a greater distance from the black hole. None of the systems are so close.
A binary star is a system of two stars orbiting around a common centre of mass, leaving them bound together by the force of gravity. Their existence is quite common in the universe. However ...
While such stellar pairs are common in the observable universe, areas near supermassive ... marks the first time that a binary star system has been observed in the vicinity of a supermassive ...