Delta Leonis (Zosma) is approximately 57.7 light years from us.
There are four major stars that make Leo show up brightly in the sky: Regulus (Alpha Leonis), Beta Leonis (Denebola), Algieba (Gamma Leonis), and Delta Leonis (Zosma).
There are 92 stars in the constellation which appear in the Bayer/Flamsteed catalogues. Among the brighter stars are:Regulus (Alpha Leonis),Denebola (Beta Leonis),Algieba (Gamma Leonis),Zosma (Delta Leonis),Adhafera (Zeta Leonis),Other named stars in Leo areAl Ras al Asad al Shamaliyy (Mu Leonis) and Chertan (Theta Leonis).
The constellation of Leo contains the main sequence star, Regulus(Alpha Leonis), as well as Beta Leonis, Gamma Leonis, Delta Leonis, Zeta Leonis, Iota Leonis and Tau Leonis. Additional stars include Mu Leonis, Theta Leonis, red giant R Leonis, Wolf 359, Gliese 359, CW Leo, Caffau's Star. Leo also contains the Leo Ring, a group of large quasar groups and several galaxies including Messier 65, Messier 66, Messier 95, Messier 96, Messier 105 and NGC3628.
Roughly 125 light years.
The constellation Leo is the 12th largest constellation in the sky and covers 947 square degrees. The stars in Leo include; Alpha Leonis, Beta Leonis, Gamma Leonis, Theta Leonis, Delta Leonis, Kappa Leonis, Lambda Leonis and Omicron Leonis. The brightest star is Alpha Leonis.
Coccothrinax leonis was created in 1981.
Leonis Adobe was created in 1844.
Leonis C. Malburg was born in 1929.
There are many celestial bodies or stars, that can be found in the constellation Leo. The for with the brightest magnitude are Regulus, Leonis, Beta Leonis, and Gamma Leonis.
Beta Leonis is white-dwarf star. It is also blue-white.
The web address of the Leonis Adobe Museum is: http://www.leonisadobemuseum.org
To date (2009) no planets have been found around Ad leonis (GJ 388)