Abstract
A detailed compilation of the most recent values of the solar constant is given (13 values published from 1967 to 1970). The most probable value seems to be 1.95 cal cm−2 min−1 or 1.36 kW m−2 with a formal rms error of ± 0.3%. The corresponding effective temperature is 5770K.
Systematic errors of the order of ± 1%, but also a possible variability of the same order cannot be excluded.
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Labs, D., Neckel, H. The solar constant. Sol Phys 19, 3–15 (1971). https://doi.org/10.1007/BF00148818
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DOI: https://doi.org/10.1007/BF00148818