bn:02437941n
Noun Concept
Categories: Photometric systems, Index numbers
EN
color index  B-V colour  Colour Index  B-v  B-V color
EN
In astronomy, the color index is a simple numerical expression that determines the color of an object, which in the case of a star gives its temperature. Wikipedia
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EN
In astronomy, the color index is a simple numerical expression that determines the color of an object, which in the case of a star gives its temperature. Wikipedia
Numerical expression that determines the color of an astronomical object Wikidata