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colour index
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colour index

In astronomy, measure of the colour of a star made by comparing its brightness through different coloured filters. It is defined as the difference between the measurements of the magnitude of the star given by two standard photometric filters. Colour index is directly related to the surface temperature of a star and its spectral classification.



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Mentioned in?  References in periodicals archive?   Hutchinson browser?   Full browser?
 
An instructional designer assigns different color index tab colors to correspond with different modules in a binder.
Table 1 lists the type of organic pigments generally used in rubber compounding by chemical types and color index numbers.
Light color is measured using a color index (CRI) of 1 to 100, with 100 representing sunlight.
 
 
 
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