luminosity function
The term 'luminosity function' is used in astronomy to describe the distribution of brightness among celestial objects and in vision science to describe the human eye's sensitivity to different wavelengths of light.
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Definition
C1Astronomy
(technical, academic)A function that describes the distribution of brightness among stars or galaxies within a specific volume of space.
Example
- The luminosity function helps astronomers understand the population of stars in a galaxy cluster.
C1Vision Science
(technical, academic)A function that represents the human eye's sensitivity to different wavelengths of light, indicating perceived brightness.
Example
- The luminosity function is crucial for designing lighting that is comfortable for human vision.