bn:00560690n
Noun Concept
Categories: Observational astronomy
EN
surface brightness  integrated magnitude  integrated visual magnitude
EN
In astronomy, surface brightness quantifies the apparent brightness or flux density per unit angular area of a spatially extended object such as a galaxy or nebula, or of the night sky background. Wikipedia
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EN
In astronomy, surface brightness quantifies the apparent brightness or flux density per unit angular area of a spatially extended object such as a galaxy or nebula, or of the night sky background. Wikipedia