Which constellation is the closest binary star to the solar system?

Centauri is the closest star system to the solar system and a binary star system.

Alpha Centauri A: It has the same chemical composition as the sun and the same brightness (0 magnitude). Alpha Centauri B: This star is the companion of Alpha Centauri A, with a magnitude of+1.33 and a distance of 13.8 arc seconds. The two stars revolve around each other in an eight-year cycle.