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Gamma Velorum is a quadruple star system in the constellation Vela. This name is the Bayer designation for the star, which is Latinised from γ Velorum and abbreviated γ Vel. At a combined magnitude of +1.7, it is one of the brightest stars in the night sky, and contains by far the closest and brightest Wolf–Rayet star. It has the traditional name Suhail al Muhlif and the modern name Regor /ˈriːɡɔːr/, but neither is approved by the International Astronomical Union.
The γ Velorum system includes a pair of stars separated by 41″, each of which is also a spectroscopic binary system. γ Velorum, the brighter of the visible pair, contains the Wolf–Rayet star and a blue supergiant, while γ Velorum contains a blue giant and an unseen companion.
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