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We present an analysis of high resolution spectral observations of thesymbiotic star StHa 190. A 30 days period has been derived from radialvelocities of the G-type absorption lines and the HeII 4686A emission line. Themain aim of this work was to look for explanation of the very wide absorptionlines of the yellow giant. The very low mass function obtained from theabsorption lines radial velocities suggests that the observed changes probablydo not corespond to the orbital motion of this star.

Synchronization of the G Giant Rotation in the Symbiotic Binary StHa 190?