Luminosity (disambiguation)

Look up luminosity in Wiktionary, the free dictionary.

Luminosity may refer to:

• Luminosity, in astronomy, the total amount of energy radiated by an object per unit time
• Luminosity (scattering theory), in particle physics and accelerator physics, the number of particles per unit area per unit time times the opacity of the target
• Luminosity — Ignite the Night!, the Cedar Point amusement park show
• Luminosity Gaming, an esports team

In optical photometry:

• In photometry, luminosity is sometimes incorrectly used to refer to luminance, which is the density of luminous intensity in a given direction
• In photometry, luminous flux measures the perceived power of light

In computer graphics:

• In Adobe Photoshop's imaging operations, luminosity is the term used incorrectly to refer to the luma component of a color image signal
• The "L" in HSL color space is sometimes said incorrectly to stand for luminosity

See also

• Luminosity function, in photometry, describes the average visual sensitivity of the human eye to light of different wavelengths, also known as the luminous efficiency function
• Luminosity function (astronomy), gives the number of stars or galaxies per luminosity interval
• Lumosity, a series of brain training exercises