Stellar Luminosity
L = 4 π R
2
σ T
4
SI Units
L = 4 π (
6.96
× 10
8
m)
2
σ (
5830 K
)
4
= (
3.99
× 10
26
J/s)
Solar Units
L = (
1.0
R
☉
)
2
(
1.00
T
☉
)
4
= (
1.0
) L
☉
Spectral Type:
G2
Surface Temp:
5830 K
Radius:
1.0
R
☉
0.1
100