Stellar Luminosity (Blackbody)
L = 4·π·R^2·σ·T^4
What it says
The total power radiated by a spherical star of radius R and surface temperature T, treated as a blackbody.
Symbols
| Symbol | Quantity | Dimension |
|---|---|---|
L | Luminosity (W) | M L^2 T^-3 |
R | Stellar radius (m) | L |
T | Surface temperature (K) | Θ |
sigma | Stefan-Boltzmann constant (5.670374419e-8 W/(m^2·K^4)) | M T^-3 Θ^-4 |
Work it out
Enter what you know. No account needed.
Connects to
Filed under Astrophysics · derive through it in the explorer