Astrophysics (index)

Wien's Displacement Law

(Wien's Law)
(temperature times wavelength with maximum intensity equals a constant)

Wien's Displacement Law states that in a Black-Body Radiation, the Wavelength with the maximum Intensity is inversely proportional to the Temperature of the black body. The wavelength distribution of Black Body (BB) radiation at any temperature has the same "shape" except that each wavelength is displaced on the graph.

wavelengthmax * Temperature = b
  • wavelengthmax - wavelength with the greatest intensity.
  • Temperature - absolute temperature of the black body.
  • b - Wien's Displacement Constant: 2.8977685 x 10**-3 m*K.

(physics,EMR,wavelength,temperature,black body)

Referenced by:
Angular Power Spectrum
Stellar Temperature Determination