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Luminosity Class
In astronomy, the total brightness of a star; the total amount of energy in all wavelengths of light per second.


Yerkes Luminosity Classes

IaVery luminous supergiants
IbLess luminous supergiants
IILuminous giants
IIIGiants
IVSubgiants
VMain sequence stars (dwarf stars)
VISubdwarfs
VIIWhite dwarfs

 
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Development Notes
Text by M. Alan Kazlev
Initially published on 03 December 2001.

 
 
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