# 17-29-097

solar constant

Eeo

irradiance produced by the extraterrestrial solar radiation on a surface perpendicular to the Sun's rays at mean Sun-Earth distance

Note 1 to entry: The solar constant is expressed in watt per square metre (W⋅m−2).

Note 2 to entry: This entry was numbered 845-09-78 in IEC 60050-845:1987.

Note 3 to entry: This entry was numbered 17-1198 in CIE S 017:2011.

Publication date: 2020-12