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Mass-Luminosity Relation

Mass-Luminosity Relation

  • The more massive stars are generally the more luminous
  • Luminosity varies as the fourth power of the mass
  • Can be used to find the distance to binary star systems

Formula

  • LLsun=(MMsun)a\frac{L}{L_{sun}} = (\frac{M}{M_{sun}})^a
    • LsunL_{sun} and MsunM_{sun} are the luminosity and mass of the Sun
    • 1<a<61 < a < 6

Star Astronomy