C. Knigge et Je. Drew, ECLIPSES OF ACCRETION DISC WINDS IN CATACLYSMIC VARIABLES - AN ATLAS OF THEORETICAL CIV LINE-PROFILES AND LINE FLUX LIGHT CURVES, Monthly Notices of the Royal Astronomical Society, 281(4), 1996, pp. 1352-1362
A grid of simulated eclipses of the wind-formed CIV resonance line in
high-state, non-magnetic cataclysmic variables is presented. On this,
trends in pre- and mid-eclipse line profiles and also in the light cur
ves of different parts of the line are explored. We model the outflow
as a rotating, biconical accretion disc wind and use the following thr
ee variables to define the model grid: (i) the geometry (collimation)
of the outflow; (ii) the wind kinematics (its poloidal velocity law);
(iii) the viewing angle with respect to the disc plane. The most impor
tant trends in our results are discussed and shown to be consistent wi
th expectations based on the physics of radiative transfer in outflowi
ng, multidimensional media. It is also stressed, however, that the com
plexity of the line formation process is such that knowledge of basic
trends alone is insufficient to draw secure conclusions about such out
flows immediately from observations. The results presented here will t
herefore be most usefully employed in direct comparisons with observat
ional data.