High Resolution Coude Echelle Spectroscopy ofIX Per

摘要

High resolution (R=45000) Coude - Echelle spectra of IX Per has been obtained atTUBITAK National Observatory (TUG) of Turkey. IX Per has been known to be a single lined(SB1) spectroscopic binary having chromospheric activity. However, analyzed spectra of IX Perby KOREL disentangling method indicated that the system is a double lined (SB2) spectroscopicbinary. Weaker lines from the secondary are discovered on the decomposed spectra. A preliminaryorbit indicates that the mass ratio of the system is 0.64. The light contribution of the secondaryis up to 10% in investigated spectral region. Circular orbit is sufficient to explain radial velocityvariations