Period changes and light curve analysis of eclipsing binary AB Andromedae |
| |
| Authors: | A Hasanzadeh D M Z Jassur M H Kermani |
| |
| Institution: | 1. Department of Theoretical Physics and Astrophysics, Faculty of Physics, University of Tabriz, Tabriz, Iran
2. Institute of Applied Physics and Astronomical Research, University of Tabriz, Tabriz, Iran
|
| |
| Abstract: | BV photometry of close binary star AB And in two observational seasons have been presented. Updated O-C diagram analysis by Kalimeris method yielded the values of 0.0188 day and 0.0065 day as amplitudes of orbital period modulation with P mod1～61 yr and P mod2～34 yr as the modulation periodicities. Light curve analysis was carried out by W-D method and geometric and physical parameters of the components. Finally, the consequences of period changes have been discussed on the basis of light-time effect due to third body in the system and Applegate mechanism. |
| |
| Keywords: | |
| 本文献已被 SpringerLink 等数据库收录！ |
|
