Cite
 

Aldebaran

Aldebaran ăl˝dĕb´ərən [key], brightest star in the constellation Taurus Bayer designation α Tauri 1992 position R.A. 4 h35.5 m, Dec. +16°30′. An orange giant star ( spectral class K5 III) with apparent magnitude averaging 0.85, it is one of the 20 brightest stars in the sky. Aldebaran is a visual binary star and an irregular variable star , with magnitude ranging from 0.78 to 0.93. Its distance is 68 light-years. The name is from the Arabic meaning follower (of the Pleiades).

The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.

See more Encyclopedia articles on: Astronomy: Stars

Browse by Subject

The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.