Radiative transfer equation
= Radiative transfer equation
{wiki}
In plane-parallel optical-depth coordinates without scattering,
$$
\mu\frac{dI_\nu}{d\tau_\nu}=I_\nu-S_\nu,
$$
with source function $S_\nu$.
= Radiative transfer equation
{wiki}
In plane-parallel optical-depth coordinates without scattering,
$$
\mu\frac{dI_\nu}{d\tau_\nu}=I_\nu-S_\nu,
$$
with source function $S_\nu$.