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astro-ph.SR2025
KIC 9272276: An Extreme Low Mass Ratio Red Nova Progenitor
Surjit Wadhwa, Marko Grozdanovic, Bojan Arbutina +2
Photometric analysis of KIC 9272276 (K9272), a low-mass contact binary system, is presented. We find it to be an example of an extreme low mass ratio system that satisfies the curr…
astro-ph.SR2025
Light Curve Analysis Of W-uma Type Binary Systems Rz Umi, Oq Uma, Lp Uma
Marko Grozdanović, Gojko Đurašević
This study presents new, high-quality, optical photometric observations of three W UMa type contact binaries. The analysis of the corresponding light curves is made using Djurasevi…