Regulus
Sign in to saveRegulus is the brightest object in the constellation Leo and one of the brightest stars in the night sky. It has the Bayer designation designated α Leonis, which is Latinized to Alpha Leonis, and abbreviated Alpha Leo or α Leo. Regulus appears single, but is actually a quadruple star system composed of four stars that are organized into two pairs. The system lies approximately 79 light years from the Solar System.
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Regulus is the brightest star in the constellation Leo and one of the brightest visible in Earth's night sky, located about 79 light-years away. Though it appears as a single point of light, Regulus is actually a system of four stars arranged in two pairs orbiting together.
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Article
8 sectionsContents
- Nomenclature
- Observation
- Stellar system
- Etymology and cultural associations
- See also
- Notes
- References
- External links
Regulus is the brightest object in the constellation Leo and one of the brightest stars in the night sky. It has the Bayer designation designated α Leonis, which is Latinized to Alpha Leonis, and abbreviated Alpha Leo or α Leo. Regulus appears single, but is actually a quadruple star system composed of four stars that are organized into two pairs. The system lies approximately 79 light years from the Solar System.
The spectroscopic binary Regulus A consists of a blue-white main-sequence star and its companion, a pre-white dwarf. Regulus BC, also known as HD 87884, is separated from Regulus A by and is itself a close pair.