colour index - Hutchinson encyclopedia article about colour index Printer Friendly
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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
 
Sun Chemical Performance Pigments offers a range of Colour Index types in a variety of physical forms, including conventional dry color, water based dispersions and standardized high solids press cake.
Sun Chemical Corp. Performance Pigments by Ink World
Sun Chemical Performance Pigments offers a range of Colour Index types in a variety of physical forms, including conventional dry color, water based dispersions and standardized high solids press cake.
Sun Chemical Corporation by Coatings World
Comments: A novel pigment type only recently assigned a Colour Index Name by the Colour Index International.
Sun Chemical Corporation Pigments Division by Ink World
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