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Pleione(plee -ŏ-nee, plÿ -) (28 Tau) One of the stars of the Pleiades. It developed a surrounding envelope that was first observed in 1938, reached maximum intensity in 1945, and was just visible in 1954; another shell started to develop in 1972. It is thought to be unstable owing to its fast rotation rate. Spectral type: B8pe.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.
one of the stars visible with the naked eye in the Pleiades. It is a variable star whose brightness varies from 5.0 to 5.5 visual magnitude. Pleione is 167 parsecs from the sun.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.