Wien approximation (source code)

= Wien approximation
{c}
{wiki=Wien_approximation}

The Wien approximation is the short-wavelength limit of the Planck law:
$$
B_\lambda(T)\simeq\frac{2hc^2}{\lambda^5}
e^{-hc/(\lambda k_BT)}.
$$

= Wien limit
{c}
{synonym}