Color Equivalent
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.
Color Equivalent
a value that characterizes the color of a celestial body. Various values related to the energy distribution in the spectrum of the celestial body may be used as color equivalents. Since the 1950’s the color index has been used almost exclusively to characterize the color of celestial bodies.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.