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V717 Andromedae an active low mass ratio contact binary: an active low mass ratio contact binary

  • University of Belgrade

Research output: Contribution to journal › Article › peer-review

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◦), 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. Subject headings: Binaries: Eclipsing, Techniques: Photometric, Stars: individual:V717 And.

Original languageEnglish
Number of pages6
JournalOpen Journal of Astrophysics
Volume9
DOIs
Publication statusPublished - Feb 2026

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