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Quantifying light - Coggle Diagram

- - - - 10eV ~ 120nm
  - - - vFv = λFλ
    - - invariance of surface intensity(intensity = surface brightness)
    - - effective temperature
      - L = 4 πR^2σT^4
    - - m2 - m1 = -2.5log(F2/F1)
      - Δm = - ΔF/F
      - vsual magnitude
      - bolometric magnitude
        
        bolometric correction
      - absolute magnitude
        
        m - M = 5log(D/10), at 10pc
        
        distance modulus
        
        extinction
        
        apparent dstance modulus
    - - surface brightness
        
        u = m + 2.5logθ
    - - color index
        
        colormagnitude diagram