Concept information
Preferred term
Magnitude
Definition
- A measure of brightness in astronomy on a logarithmic scale in which a difference of five magnitudes represents a difference of 100 times in brightness. In this scale the lower a magnitude, the brighter the object. The faintest magnitude reached by unaided eye is 6. (en)
Broader concept
- Astrometry (en)
Narrower concepts
- Absolute magnitude (en)
- Apparent magnitude (en)
- Galaxy magnitudes (en)
- Integrated magnitude (en)
Editorial note
URI
http://astrothesaurus.org/uat/999
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