Star
Eltanin
Orange star · K5III
γ Draconis · Draco
Shown in its true colour — like most stars, it is too far away to photograph as more than a point of light.
Gamma Draconis, formally named Eltanin, is a star in the northern constellation of Draco. Contrary to its gamma-designation, it is the brightest object in Draco at magnitude 2.2, outshining Beta Draconis by nearly half a magnitude and Alpha Draconis by over a magnitude.
Description from Wikipedia (CC BY-SA 4.0).
In your sky
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Key facts
Distance
~154 light-years
Apparent mag.
+2.24
Spectral type
K5III
Luminosity
248 × Sun
Absolute mag.
−1.13
Catalogue
HIP 87833
Spectral type
K5III
True colour from its B–V index (1.52): a surface around 3800 K.
Did you know
- Eltanin is also known as γ Draconis.
- Its spectral type K5III marks it as a orange star.
- It lies in the constellation Draco.
