Regulus
Also known as Alpha Leonis, STF 5006, α Leonis, α Leo, ADS 7654 A, GJ 9316 A, RAFGL 4771S, 32 Leo
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.
AI overview
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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- Leo constellation map ru lite.png
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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.