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ZETA LYR (Zeta Lyrae). Lyra, the Harp or Lyre, is dominated by its luminary Vega, and so much by the "double-double" (Epsilon) and the strange eclipser Sheliak (Beta) that nobody pays much attention to another fascinating multiple, Zeta Lyrae, ...
Epsilon2C-Epsilon2D is about twice as fast, with a period of 585 years: 5.2, 5.5; PA 83.5º, separation 2.3". Zeta Lyrae is another relatively fixed multiple. The brightest component is D: AD 4.3, 5.9; 150º, 43.7".
It seems that the Arabs visualized Vega and its two nearby stars Epsilon and Zeta Lyrae as an eagle with folded wings, swooping down in its prey, ...
 See also: Sheliak, Zeta Lyr, Light, Epsilon, Vega
  
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