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Alpha Centauri

Star system
Alpha Centauri is a triple star system in the southern constellation of Centaurus. It consists of three stars: Rigil Kentaurus, Toliman and Proxima Centauri. Proxima Centauri is the closest star to the Sun at 4.2465 light-years. Wikipedia
Distance to Earth: 4.367 light years
Coordinates: RA 14h 39m 37s | Dec -60° 50′ 2″
Apparent magnitude (V): -0.27
Argument of periastron (ω) (secondary): 231.519±0.027°
Companion: B
Constellation: Centaurus
Eccentricity (e): 0.51947±0.00015