Magnitude may refer to:

Mathematics

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Astronomy

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  • Absolute magnitude, the brightness of a celestial object corrected to a standard luminosity distance
  • Apparent magnitude, the calibrated apparent brightness of a celestial object
  • Instrumental magnitude, the uncalibrated apparent magnitude of a celestial object
  • Limiting magnitude, the faintest apparent magnitude of a celestial body that is detectable or detected by a given instrument.
  • Magnitude (astronomy), a measure of brightness and brightness differences used in astronomy
  • Magnitude of eclipse or geometric magnitude, the size of the eclipsed part of the Sun during a solar eclipse or the Moon during a lunar eclipse
  • Photographic magnitude, the brightness of a celestial object corrected for photographic sensitivity, symbol mpg
  • Visual magnitude, the brightness of a celestial object in visible, symbol mv

Seismology

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Arts and media

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