How does spectral class relate to temperature?

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asked Dec 9, 2021 226k views

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Dhinakaran · Answer 1 · 2021-12-16T04:12:24+0000

Answer:

The spectral types and sub-classes represent a temperature sequence, from hotter (O stars) to cooler (M stars), and from hotter (subclass 0) to cooler (subclass 9). The temperature defines the star's "color" and surface brightness. ... Stars are also classified by luminosity class.

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How does spectral class relate to temperature?

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How does spectral class relate to temperature?