Blackbody spectrum (source code)

= Blackbody spectrum
{title2=$B_\nu(T)$}

= Planck spectrum
{c}
{synonym}

A <blackbody spectrum> is the spectrum of ideal <black-body radiation> in <thermal equilibrium>, given by <Planck's law>. Thus <Planck spectrum> and <blackbody spectrum> name the same ideal spectrum.