SULAFAT (Gamma Lyrae). An exquisite quintet of fainter stars lies next to brilliant Vega, and with this great luminary make Lyra, the celestial Lyre. Anchoring the harp's southern end are a close pair of stars, Sheliak and Sulafat.
*γ Lyr (Sulafat): the main star of this multiple star system is of magnitude 3.24m and spectral class B9 III *δ Lyr: a double star consisting of a blue-white star of mag. 6m and a semi-regular red giant varying between 4m and 5m.
[5351] gamma Lyrae, also known as Sulafat ("tortoise") and Jugum ("yoke"), is a multiple star system lying approximately 635 light-years from Earth. The main component is a B-type bright giant, with luminosity about 2,100 times that of the Sun.
VEGA (Alpha Lyr) Sheliak (Beta Lyr) Sulafat (Gamma Lyr) Double Double (Epsilon 1 Lyr) Double Double (Epsilon 1 Lyr) Double Double (Epsilon 2 Lyr) Double Double (Epsilon 2 Lyr) Aladfar (Eta Lyr) Alathfar (Mu Lyr) ...
Gamma Lyrae is called Sulafat, from the Arabic meaning ‘the tortoise', after the animal from whose shell Hermes made the lyre.
Named stars in Lyra (Greek alphabet) Aladfar (η Lyr), Alathfar (μ Lyr), Sheliak (β Lyr), Sulafat (γ Lyr), Vega (α Lyr). Constellations adjoining Lyra: Cygnus, Draco, Hercules, Vulpecula.
See also: Sheliak, Vega, Nebula, Constellation, Star
 
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