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IUPAC - Stefan–Boltzmann constant (S05964)

Stefan–Boltzmann constant

https://doi.org/10.1351/goldbook.S05964
Fundamental physical constant \(\sigma = \frac{2\ \pi ^{5}\ k^{4}}{15\ h^{3}\ c_{0}^{2}} = 5.670\ 51(19)\times 10^{-8}\ \text{W}\ \text{m}^{-2}\ \text{K}^{-4}\).
Source:
CODATA Bull. 1986, 63, 1 [Terms] [Book]