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Regulus, along with five slightly dimmer stars (Zeta Leonis, Mu Leonis, Gamma Leonis, Epsilon Leonis, and Eta Leonis) have collectively been called 'the Sickle', which is an asterism that marks the head of Leo.
β Leonis (Latinised to Beta Leonis) is the star's Bayer designation. In Johann Bayer 's Uranometria (1603), it was designated β (Beta) as the second-brightest star in the constellation. It also bears the Flamsteed designation of 94 Leonis (assigned on the basis of increasing right ascension rather than luminosity) and additional designations ...
DP Leonis (abbreviated DP Leo) is a binary star system in the equatorial constellation of Leo. It is a variable star that ranges in apparent visual magnitude from 17.5 down to 19. [ 3 ] The system is located at a distance of approximately 990 light-years from the Sun based on parallax . [ 2 ]
R Leonis, 330 light-years from Earth, has a period of 310 days and a diameter of 450 solar diameters. [4] The star Wolf 359 (CN Leonis), one of the nearest stars to Earth at 7.8 light-years away, is in Leo. Wolf 359 is a red dwarf of magnitude 13.5; it periodically brightens by one magnitude or less because it is a flare star. [4]
AD Leonis (Gliese 388) is a red dwarf star. It is located relatively near the Sun , at a distance of 16.2 light-years (5.0 parsecs ), in the constellation Leo . AD Leonis is a main sequence star with a spectral classification of M3.5V. [ 4 ]
Beta Leonis Minoris, Latinized from β Leonis Minoris, is a binary star in the constellation of Leo Minor. It has an overall apparent visual magnitude of approximately 4.2. Although it is the only star in Leo Minor with a Bayer designation , it is only the second brightest star in the constellation (the brightest is 46 Leonis Minoris ).
ω Leonis (Latinised as Omega Leonis, abbreviated to ω Leo or Omega Leo), is a star system located in the zodiac constellation of Leo. It is visible to the naked eye in the absence of light pollution , with an apparent visual magnitude of about 5.4.
93 Leonis (93 Leo) is a binary star in the constellation Leo. Its apparent magnitude is 4.522. [3] Based on the system's parallax, 93 Leonis is located about 233 light-years (71 parsecs) away. [2] 93 Leonis is a double-lined spectroscopic binary. Two components are known to exist, because their spectral lines shift periodically, due to the ...