Statements (18)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
standard illuminant
|
| gptkbp:application |
photometry
colorimetry |
| gptkbp:category |
lighting standard
|
| gptkbp:colorTemperature |
2856 K
|
| gptkbp:definedIn |
gptkb:CIE_(International_Commission_on_Illumination)
|
| gptkbp:hasChromas |
x=0.44757, y=0.40745 (CIE 1931)
|
| gptkbp:hasUnit |
Kelvin (for color temperature)
|
| https://www.w3.org/2000/01/rdf-schema#label |
CIE Standard Illuminant A
|
| gptkbp:intendedToRepresent |
typical incandescent lighting
|
| gptkbp:introducedIn |
1931
|
| gptkbp:relativeSpectralPowerDistribution |
Planckian radiator at 2856 K
|
| gptkbp:replacedBy |
CIE Standard Illuminant D65 (for daylight conditions)
|
| gptkbp:spectralType |
continuous
|
| gptkbp:usedFor |
reference light source
|
| gptkbp:wavelengthRange |
380–780 nm
|
| gptkbp:bfsParent |
gptkb:CIE_1931_color_space
|
| gptkbp:bfsLayer |
7
|