LINE FORMATION IN ACCRETION DISKS

We apply a finite volume method to the 3D radiative line transfer in accretion disks. The two-level-atom approximation with complete re-distribution is used. As a first step we assume disks to be homogeneous in temperature and pressure. We give monochromatic images of the intensity distribution on the surface of disks for several assumptions on the scattering and the disk thickness. In the LTE case earlier results are confirmed. However, for scattering conditions we get a rather different intensity pattern. In a parameter study for geometrically thin and thick disks we obtain a variety of line profile shapes.