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Homework Help: Absolute Magnitude

  1. May 1, 2007 #1
    1. The problem statement, all variables and given/known data
    A star is 42.9 more luminous than our Sun and has a mass 3.5 times bigger than the Sun. Assuming our Sun has an Absolute Magnitude of 4.83 what would the Absolute Magnitude of this star be?

    2. Relevant equations

    3. The attempt at a solution
  2. jcsd
  3. May 2, 2007 #2


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    Homework Helper

    What factor of luminosity change does plus one magnitude represent?
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