CAOSP abstracts, Volume: 38, No.: 2, year: 2008

Abstract: Based on high-resolution CCD spectra, radial velocity curves of HD 64491 and HD 141851 have been studied. Both stars are SB1 spectroscopic binaries with metal-weak characteristics. The PHOEBE code was used to derive the spectroscopic orbit solutions. The following parameters have been calculated for HD 64491: Porb = 187.8 days, e = 0.5, a sin i = 0.39 AU, q = m2/m1 ≦ 0.65. For the other star HD 141851 we have obtained: Porb = 1073 days, e = 0.7, a sin i = 1.15 AU, and q = m2/m1 ≦ 0.5.