Lifetime of Stars


type   Mass    Lum  (Sun=1)     Lifetime    Final State
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O      60.0  1,400,000            430,000       BH
B      18.0     20,000          9,000,000       NS
A       3.2         80        400,000,000   NeO WD
F       1.7          6      3,000,000,000    CO WD
G       1.1          1.2    9,000,000,000     C WD
K       0.8          0.4   20,000,000,000     C WD
M       0.3          0.04  75,000,000,000    He WD
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