Full Solar Irradiance

75% of Full Irradiance

50% of Full Irradiance

α₁

−0.0000002448

−0.00000409564

−0.00021566167

α₂

0.000020221518

0.00025368261

0.0089053426

α₃

−0.00071025735

−0.0066827305

−0.15639491

α₄

0.013832714

0.097612823

1.5229452

α₅

−0.16327544

−0.86413501

−8.9880971

α₆

1.1990814

4.7596023

33.003923

α₇

−5.4118479

−16.111235

74.478767-

α₈

14.277315

31.878

98.243414

α₉

−19.834429

−33.214329

−68.241193

α₁₀

10.88503

13.670886

18.725203

α₁₁

147.89258

139.30756

127.20767