Annals of the Astrophysical Observatory of the Smithsonian Institution (1900)
Washington : Government printing office · leaf 37
he Smithsonian Scale of 1913. The ultraviolet and infrared corrections), the probable absolute value is, pyrheliometer values in table 4 are all corrected to the curiously enough, equal to the mean value 1.94. It is also identical Smithsonian Scale of 1913. with the solar constant that has been… … ro .9 .6 .7 £ .s .4 .3 .2 J prisingly small, irregular variation, seldom exceeding a range of RA TtO BOTTOM OF RAND 2 per cent, with a gradual trend toward larger values. The total in¬ smooth cuRye crease in the means of successive 5-year intervals is .3 per cent since Figure 3. — Fowle’s…
Infrared spectra · Solar radiation
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