- a first-magnitude star in the constellation Aquila.
Origin of Altair
Examples from the Web for altair
Historical Examples of altair
Above him was the enormous triangle formed by Deneb, Vega, and Altair.Warning from the Stars
Without turning he asked, "Shall I change course and go to Altair?"The Stars, My Brothers
The middle of these is Altair, a yellowish star of the first magnitude.Astronomy of To-day
Cecil G. Dolmage
Altair and Arcturus: prominent stars in the northern hemisphere.The Spring of the Year
Dallas Lore Sharp
I should say that Altair is about five degrees from each of his companions.Earth and Sky Every Child Should Know
Julia Ellen Rogers
- the brightest star in the constellation Aquila. Visual magnitude: 0.77; spectral type: A7V; distance: 16.8 light years
Word Origin for Altair
bright star in the constellation Aquila, 16c., from Arabic Al Nasr al Tair "the Flying Eagle," from tair, participle of tara "it flew."
- A bright white star in the constellation Aquila. Altair is a main-sequence star in the Hertzprung-Russell diagram. It is the 12th brightest star in the night sky, with an apparent magnitude of 0.77. Altair, along with Vega and Deneb, form the Summer Triangle asterism. Scientific name: Alpha Aquilae.