Eta Lyrae

Eta Lyrae (η Lyr, η Lyrae) is a star in the constellation Lyra. It has the traditional name Aladfar, from the Arabic الأظفر al-’uz̧fur "the talons (of the swooping eagle)", a name it shares with Mu Lyrae (though the latter is typically spelled Alathfar in English).

Eta Lyrae belongs to spectral class B2.5IV and has apparent magnitude of +4.39. It is approximately 1040 light years from Earth.

Coordinates (equinox J2000.0):

  • Right ascension: 19h13m45.50s
  • Declination: +39°08'46.0"
Stars of Lyra
Bayer
  • α (Vega)
  • β (Sheliak)
  • γ (Sulafat)
  • δ1
  • δ2
  • ε1, 2 (Double Double)
  • ζ1
  • ζ2
  • η (Aladfar)
  • θ
  • ι
  • κ
  • λ
  • μ (Alathfar)
  • ν1
  • ν2
Flamsteed
  • 1 (κ)
  • 2 (μ, Alathfar)
  • 3 (α, Vega)
  • 4 (ε1, Double Double)
  • 5 (ε2, Double Double)
  • 6 (ζ1)
  • 7 (ζ2)
  • 8 (ν1)
  • 9 (ν2)
  • 10 (β, Sheliak)
  • 11 (δ1)
  • 12 (δ2)
  • 13
  • 14 (γ, Sulafat)
  • 15 (λ)
  • 16
  • 17
  • 18 (ι)
  • 19
  • 20 (η, Aladfar)
  • 21 (θ)
Nearby
  • 2MASS 1835+3259
  • α (Vega)
  • GJ 4063
  • Gliese 747
  • WISE 1828+2650
Other
  • RR
  • List