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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Pickering, Edward Charles			A type of absolute photometry was carried out on the wide-field images, each frame being calibrated in terms of the mean zeropoint, (v-V) of the Hipparcos stars adjusted to zero V-Ic colour index using previously derived transformation coefficients for each filter passband. A method for or determining the V magnitude of aster asteroids from ... by Dymock, Roger; Miles, Richard / Journal of the British Astronomical Association BASF has developed a new brilliant orange pigment that has been listed in the Colour Index (C. New Colour Index for BASF orange pigment by Coatings World In many countries colours in cosmetics are listed as colour index numbers. Colour & Cosmetics by Jane Thurnell-Read / Women's issues/gender studies community			Colonna, Vittoria colonnade Colonne, Edouard colonoscopy Colonsay Colonus colony Colony, the colophon Colorado Colorado ) Colorado beetle Colorado Desert Colorado Plateau Colorado Springs coloratura Colosseum Colossians Colossus Colossus of Rhodes colostomy colostrum colour colour blindness colour depth colour index colour separation colour symbolism colour therapy colour vision colour wash colour-field painting colouring Colourpoint Longhair colours, military Colporteur, Le, ou L'Enfant du bûcheron Colquhoun, Ithell Colt, Samuel Colter, John Colton Colton, Frank Benjamin Coltrane, John Colts Neck coltsfoot Coluber colugo Colum Cille, St Colum, Padraic Columba Columba, St Columban, St			Colour code Colour code Colour codes Colour codes Colour coding Colour coding Colour commentator Colour component Colour Confusion Index colour constancy colour contrast Colour correction Colour CRT Colour CRT Colour depth Colour depth Colour Discrimination Colour Doppler Imaging Colour Field painting Colour film colour filter colour filter colour filters Colour force Colour force Colour Graphics Adapter Colour guard Colour Healing Colour Healing colour in colour index Colour indices Colour INteractive Editor for Multiple Alignments Colour keying colour line Colour Look Up Table colour look-up table Colour Managed Workflow Solution Colour Me Freedom Foundation Colour Measurement Committee Colour Meditation Colour Mobile Control Room Colour model colour of law Colour Orientation Contrast Imaging Colour palette Colour pencil Colour pencil Colour pencil Colour pencil Colour pencils Colour pencils Colour pencils Colour pencils Colour perception Colour perception Colour perception Colour Personal Computer Colour phase Colour phase colour phases

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