Adhafera

STARS by Jim Kaler

Adhafera (stars.astro.illinois.edu) ADHAFERA (Zeta Leonis). The Sickle of Leo is known for the bright star Regulus and the famous double Algieba. Just above Algieba, you can admire a fainter star, third magnitude (but just barely so, 3.44) Adhafera.

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distance

Parallax measurements from the Hipparcos satellite yield an estimated distance to Adhafera of 274 light-years (84 parsecs) from the Sun.

mass

Adhafera has about three times the Sun’s mass and six times the radius of the Sun.

random

clockwise around the Red Sea

star of

Leo

stellar classification

Adhafera is a giant star with a stellar classification of F0 III. Since 1943, the spectrum of this star has served as one of the stable anchor points by which other stars are classified.

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Wikipedia

Zeta Leonis (Wikipedia) Zeta Leonis (ζ Leonis, abbreviated Zeta Leo, ζ Leo), also named Adhafera /ædəˈfɪərə/, is a third-magnitude star in the constellation of Leo, the lion. It forms the second star (after Gamma Leonis) in the blade of the sickle, which is an asterism formed from the head of Leo.