Example:
Betelgeuse
Rigel
Magnitude = 0.41 mag
(2.512)5 = 100
5
…
…
2.512*2.512 = (2.512)2 = 6.31
2
2.512
1
Intensity Ratio
Magn. Diff.
Magnitude = 0.14 mag
For a magnitude
difference of 0.41 – 0.14 = 0.27, we find an intensity ratio of (2.512)0.27 = 1.28
