V717 Andromedae: An Active Low Mass Ratio Contact Binary
S. S. Wadhwa, M. Grozdanovic, N. F. H. Tothill, M. D. Filipovic, A. Y. De Horta
公開日: 2025/9/27
Abstract
Multi-band photometric analysis of the contact binary V717 Andromedae (V717 And) is presented. The system is found to be an extreme low mass ratio system (q = 0.197) with high inclination (i = 84.5 deg), moderate degree of contact (27%) and near equal temperatures of the components. Period analysis of survey photometry spanning over 6300 days reveals no significant change. Although the system does not demonstrate a significant O'Connell effect there are a number of other markers strongly suggesting the system is chromospherically active. Orbital analysis indicates that the system is stable and not a merger candidate.