Velocity curve analysis of the spectroscopic binary stars PV Pup,HD 141929, EE Cet and V921 Her by nonlinear regression |
| |
| Authors: | K Karami R Mohebi |
| |
| Institution: | (1) Department of Physics, University of Kurdistan, Pasdaran St., Sanandaj, Iran;(2) Research Institute for Astronomy & Astrophysics of Maragha (RIAAM), Maragha, Iran;(3) Institute for Advanced Studies in Basic Sciences (IASBS), Gava Zang, Zanjan, Iran |
| |
| Abstract: | We use the method introduced by Karami & Mohebi (2007), and Karami & Teimoorinia (2007) which enable us to derive the orbital
parameters of the spectroscopic binary stars by the nonlinear least squares of observed vs. curve fitting (o-c). Using the measured experimental data for radial velocities of the four double-lined spectroscopic binary
systems PV Pup, HD 141929, EE Cet and V921 Her, we find both the orbital and the combined spectroscopic elements of these
systems. Our numerical results are in good agreement with those obtained using the method of Lehmann-Filhés. |
| |
| Keywords: | Stars: binaries: eclipsing stars: binaries: spectroscopic |
| 本文献已被 SpringerLink 等数据库收录！ |
|
