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Is the standard spectral sequence a result of different stellar temperatures or differences in the amounts of hydrogen?

April 26, 2017Astronomy different physical sciences sequence spectral standard

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Is the standard spectral sequence a result of different stellar temperatures or differences in the amounts of hydrogen?

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Without knowing more about specific spectral classes and luminosity gradients it would be difficult to quantify the differences. As a possible starting point, consider the Boltzmann and Saha equations on temperature variations in stellar phenomena.