How can you estimate mass of star?

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SUMMARY

Estimating the mass of a star can be achieved using its Spectral Class and absolute magnitude. The relationship between luminosity (L) and mass (M) for main sequence stars is defined by the equation L = M ^ 3.5, with both L and M relative to the sun. For stars outside the main sequence, different exponents apply, necessitating a more complex analysis. Understanding these relationships is crucial for accurate stellar mass estimation.

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  • Understanding of Spectral Class in astrophysics
  • Knowledge of absolute magnitude and luminosity
  • Familiarity with main sequence star characteristics
  • Basic grasp of stellar evolution concepts
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  • Study the methods for measuring absolute magnitude in stars
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Is there a way to estimate the mass of a star using Spectral Class and absolute magnitude?

If you can't then what info do I need in order to so.

Thanks,
Dan
 
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From the absolute magnitude and the luminosity magnitude relationship you can pretty easily get the mass of a main sequence star.
L = M ^ 3.5 ( with L and M relative to the sun)

For larger or smaller stars there is a different exponent and sometimes slightly more complex relationship.
 

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