An Etymological Dictionary of Astronomy and Astrophysics

The second brightest star of the constellation → Cygnus, with a visual magnitude of 3.0. It is a double star of strikingly different colors, with components separated by 35’’. The brighter component is a K3 giant while its partner is a main-sequence B9 star.
About 380 → light-years away, the two rotate around each other with a period of about 75,000 years. The main component is itself a binary system.

Etymology (EN): Albireo may be a corruption of the L. phrase ab ireo “from the rainbow,” as suggested by some writers on star names. It does not mean “the hen’s beak”.

Etymology (PE): Menqâr-e Dajâjé “hen’s beak,” from Ar. Minqâr al-Dajâjah, from minqâr “beak” + dajâjah “hen”.
Nok-e Mâkiyân “beak of the hen,” from Mod.Pers. nok “beak” + mâkiyân “hen”.