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  2. Planckian locus - Wikipedia

    en.wikipedia.org/wiki/Planckian_locus

    Planckian locus in the CIE 1931 chromaticity diagram. In physics and color science, the Planckian locus or black body locus is the path or locus that the color of an incandescent black body would take in a particular chromaticity space as the blackbody temperature changes.

  3. Planck's law - Wikipedia

    en.wikipedia.org/wiki/Planck's_law

    (In contrast with Balfour Stewart's, Kirchhoff's definition of his absorption ratio did not refer in particular to a lamp-black surface as the source of the incident radiation.) Thus the ratio ⁠ E(T, i) / a(T, i) ⁠ of emitting power to absorption ratio is a dimensioned quantity, with the dimensions of emitting power, because a(T, i) is ...

  4. Correlated color temperature - Wikipedia

    en.wikipedia.org/wiki/Correlated_color_temperature

    The even spacing of the isotherms on the locus implies that the mired scale is a better measure of perceptual color difference than the temperature scale. The notion of using Planckian radiators as a yardstick against which to judge other light sources is not new. [6]

  5. CIE 1931 color space - Wikipedia

    en.wikipedia.org/wiki/CIE_1931_color_space

    The solid curve with dots on it, through the middle, is the Planckian locus, with the dots corresponding to a few select black-body temperatures that are indicated just above the x-axis. The figures on the right show the related chromaticity diagram. The outer curved boundary is the spectral locus, with wavelengths shown in nanometers. The ...

  6. Color temperature - Wikipedia

    en.wikipedia.org/wiki/Color_temperature

    The CIE 1931 x,y chromaticity space, also showing the chromaticities of black-body light sources of various temperatures (Planckian locus), and lines of constant correlated color temperature Color temperature is a parameter describing the color of a visible light source by comparing it to the color of light emitted by an idealized opaque, non ...

  7. Settlement reached in mill town’s multi-million dollar lawsuit

    www.aol.com/news/settlement-reached-mill-town...

    (The Center Square) – When he was North Carolina’s attorney general, Josh Stein said Pactiv Evergreen could not be allowed to cut and “run away with our state’s money.” The fresh food ...

  8. Nancy Olson, 96, Says Her Oscar-Nominated Role in “Sunset ...

    www.aol.com/nancy-olson-96-says-her-174927521.html

    Nancy Olson received an Oscar nomination for her role as Betty Schaefer in 1950's Sunset Boulevard. Despite the acclaim, Olson said in a new interview that the movie’s story of Hollywood ...

  9. Standard illuminant - Wikipedia

    en.wikipedia.org/wiki/Standard_illuminant

    The Planckian locus is depicted on the CIE 1960 UCS, along with isotherms (lines of constant correlated color temperature) and representative illuminant coordinates By the time the D-series was formalized by the CIE, [ 12 ] a computation of the chromaticity ( x , y ) {\displaystyle (x,y)} for a particular isotherm was included. [ 13 ]