palomavr39 palomavr39
  • 03-02-2020
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14. How are stars classified in the luminosity classes?

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jupshaw107 jupshaw107
  • 10-02-2020

Answer:

Luminosity classes are labeled with Roman numerals from I to V: I are supergiant stars, II are bright giants, III are ordinary giants, IV are subgiants, and V are ordinary main sequence stars. The complete spectral classification for a star is then given by specifying both the spectral class and the luminosity class.

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