Altair (ăltäˈĭr) [key], brightest star in the constellation Aquila (Eagle); Bayer designation α Aquilae; 1992 position R.A. 19h50.5m, Dec. +8°51−. Its apparent magnitude is 0.74, making it one of the 20 brightest stars in the sky, and it is of spectral class A7 IV,V. Altair is one of the nearest bright stars, its distance being 16.8 light-years.
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.
More on Altair from Fact Monster:
- Cygnus - Cygnus Cygnus [Lat.,=the swan], northern constellation located SE of Draco and NW of Pegasus. It ...
- Aquila, in astronomy - Aquila Aquila [Lat.,=the eagle], equatorial constellation located N of Sagittarius and Capricornus, ...
- Condoleezza Rice - Biography of Condoleezza Rice, U.S. Secretary of State, 2005-09
- The Dawn of an Electronic Era - The Dawn of an Electronic Era The computer age began when ENIAC (Electronic Numerical Integrator ...
- Encyclopedia: Astronomy: Stars - Encyclopeadia articles concerning Astronomy: Stars.
See more Encyclopedia articles on: Astronomy: Stars