... of the compact object (Mx ), secondary star (Mv ), and their mass ratio (q = Mx /Mv ... Using the donor starmass, one can calculate the binary separation and Roche lobe ...
... parameters and identification charts - concerning close binary systems on late evolutionary stages - massive and low-mass X-ray binary containing a relativistic object coupled with a normal star, W Ser-type star, polars and some cataclysmic variables ...