Beta Aquilae is relatively fixed, with a faint red dwarf companion: 3.7, 11.6; PA 5º, separation 13".
Zeta Aquilae also has a very faint dwarf companion, of uncertain period: 3.0, 12; PA 53º, separation 6.5".
[441] beta Aquilae or Alschain (Arabic for "the peregrine falcon") has magnitude 3.71 and lies 44.7 light-years away from Earth. It has a companion star 13 arcseconds away.
ALSHAIN (Beta Aquilae). Altair, Tarazed, and Alshain make the prominent trio of stars in Aquila (the Eagle) that together seem like a bird, even an airplane, flying across the sky. They also reminded the Arabs of a scale beam, or balance.
Altair, along with Beta Aquilae and Gamma Aquilae, form the well-known line of stars sometimes referred to as the shaft of Aquila.
References to the star ...
Altair (Alpha Aquilae)
Beta Aquilae
Deneb el Okab (Zeta Aquilae; possibly aka Deneb)
Ara (Arae) Aries (Arietis) Auriga (Aurigae) ...
8 light-years (5.14 pc) from Earth and is one of the closest stars visible to the naked eye.[1][9] Along with Beta Aquilae and Gamma Aquilae, it forms the well-known line of stars sometimes referred to as the Family of Aquila or Shaft of Aquila.[10] ...
Alshain Beta Aquilae
Alshat Nu Capricorni
Altair Alpha Aquilae
Altais Delta Draconis
Altarf Beta Cancri
Alterf Lambda Leonis
Al Thalimain Iota Aquilae
Aludra Eta Canis Majoris
Alula Australis Xi Ursae Majoris
Alula Borealis Nu Ursae Majoris ...
 See also: Altair, Star, Aquila, Second, Constellation
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