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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 singular, but is actually a quadruple star system composed of four stars that are organized into two ...
With a distance of 36 light years from Earth, and an apparent magnitude of 2.14, [25] it is the third brightest star in the constellation and the 62nd in the night sky. [14] This star has often taken the place of Regulus in the Spring Triangle. While Regulus has a higher magnitude, Denebola makes the triangle more equilateral in appearance.
Regulus, designated Alpha Leonis, is a blue-white main-sequence star of magnitude 1.34, 77.5 light-years from Earth. It is a double star divisible in binoculars, with a secondary of magnitude 7.7. Its traditional name (Regulus) means "the little king". Beta Leonis, called Denebola, is at the opposite end of the constellation to Regulus. It is a ...
The equatorial region of the celestial sphere's eastern hemisphere includes 17 navigational stars from Alpheratz in the constellation Andromeda to Denebola in Leo. It also includes stars from the constellations Cetus, Aries, Taurus, Orion, Canis Major and Minor, Gemini, and Hydra.
This is the list of notable stars in the constellation Leo, sorted by decreasing brightness. Name B F G. Var HD HIP RA Dec vis. mag. abs. mag. Dist. Sp. class Notes ...
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Regulus was seen as the main star because it was in the constellation of Leo, giving it the power of the lion, signifying the strength of kings with large implications. [5] The constellations of the royal stars were said to be fixed because their positions were close to the four fixed points of the sun's path. [5]
Nearest in constellation The classes of the stars and brown dwarfs are shown in the color of their spectral types (these colors are derived from conventional names for the spectral types and do not necessarily represent the star's observed color).