PREDNASAJUCI / LECTURER : Natalia Shagatova NAZOV / TITLE : Wind properties in the vicinity of the red giant in symbiotic binary EG Andromedae ABSTRAKT / ABSTRACT : Symbiotic stars comprise a red giant as donor of a cool and dense stellar wind, and a hot and compact companion that is usually a white dwarf. The hot component is powered by accretion from the giant's wind and ionizes the fraction of surrounding medium. The process of mass transfer in the symbiotic binaries is still not understood well. We modelled the broadened spectral profiles of 10 Fe I absorption lines at 5151 - 6469 Å by the semi-empirical atmosphere model for the high-inclination symbiotic binary EG Andromedae. Previously, the enhancement of the wind matter in the area of orbital plane was confirmed for this system. However, the cause of this asymmetry remained unclear. Here, we indicated additional asymmetry in the distribution of the wind matter. The maximal absorbed fluxes measured around the superior conjunction of the white dwarf result from a higher-density red giant wind located in the direction towards the white dwarf. This asymmetry supports the gravitational focusing as the mechanism responsible for the observed wind enhancement towards the orbital plane. Also, the measured giant’s rotational velocity of 11 km/s is sufficiently high for rotationally-induced focusing of the wind to contribute to this pole – orbital plane density asymmetry.