Stellar Luminosity from Radius
L = 4·π·r^2·σ·T^4
What it says
A star radiates as a blackbody over its whole surface; this is its total power output.
Symbols
| Symbol | Quantity | Dimension |
|---|---|---|
L | Luminosity (W) | M L^2 T^-3 |
r | Stellar radius (m) | L |
T | Surface temperature (K) | Θ |
Work it out
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Fill in all but one: r, T, L are all empty.
Connects to
Filed under Astrophysics · derive through it in the explorer