The light of a star is strongest at a wavelength of 410 nm…

Radiation: $P = e\sigma AT^4$, net $e\sigma A(T^4 - T_0^4)$, with $\sigma = 5.67 \times 10^{-8}\ \text{W m}^{-2}\text{K}^{-4}$ and $T$ in kelvin. Wien: $\lambda_mT = 2.90 \times 10^{-3}\ \text{m K}$.