Preferred Label : radiation constants;
IUPAC definition : Fundamental physical constants characterizing black body radiation. The first radiation
constant is c1 2π.h.c02 3.7417749(22) x 10E-16 W m2, the second is c2 h.c0/k
1.438769(12) x 10E-2 m K, where h is the Planck constant c0 the speed of light and
k the Boltzmann constant.;
Origin ID : R05051;
See also
Fundamental physical constants characterizing black body radiation. The first radiation
constant is c1 2π.h.c02 3.7417749(22) x 10E-16 W m2, the second is c2 h.c0/k
1.438769(12) x 10E-2 m K, where h is the Planck constant c0 the speed of light and
k the Boltzmann constant.