Constants & Units · constant
Solar luminosity
L_☉ = 3.828 × 10²⁶ W
- Unit
- W
- Value
- 3.828 × 10²⁶
- Exact
- yes
- Note
- The Sun's total power output — the yardstick every other star is measured against.
- Symbol
- L_☉
- Category
- Astronomical
- Numeric
- 3.828e+26
- Uncertainty
- adopted (IAU nominal)
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